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Perezia Lag., Amen. Nat. Espa. 1, 1: 31 (1811).

Clarionea Lag. ex DC., Ann. Mus. Natl. Hist. Nat. Paris 19: 65, pl. 3, tab. 12. F. 2 (1812). Type: Perdicium magellanicum L.f. = Perezia magellanicum (L.f.) Lag.

Homoianthus Bonpl. ex DC., Ann. Mus. Natl. Hist. Nat. 19: 65 (1812), p.p. Type: Homoianthus bonplandi Cass. nom. illeg. = Chaetanthera pungens Humb. & Bonpl. = Perezia pungens (Humb. & Bonpl.) Less.

Homanthis Kunth in Humb., Bonpl. & Kunth, Nov. Gen. Sp. Pl. 4 (ed. quarto): 10 (1818), nom. superfl.

Heteranthus Cass., Dict. Sci. Nat. 21: 110 (1821), nom. illegit. et superfl. pro Homoianthus Bonpl. ex DC.

Clarionea Cass., Opusc. Phytol. 2: 165 (1826), nom. illegit., non Clarionea Lag. ex DC.

Drozia Cass., Opusc. Phytol. 2: 170 (1826). Type: Drozia dicephala Cass. = Perezia pungens (Humb. & Bonpl.) Less.

Homeanthus Spreng., Syst. Veg., ed. 16, 3: 503 (1826), orth. var.

Clarionia D. Don, Trans. Linn. Soc. London 16(2): 204 (1830), orth. var. Clarionea Lag. ex DC.

Dumerilia Less., Linnaea 5: 13 (1830), nom. illegit., non Lag. ex DC.

Perezia Lag. sect. Stenophyllum Less., Syn. Gen. Comp. : 412 (1832). Type: Perezia recurvata (Vahl) Less.

Isanthus DC., Prodr. 7: 63 (1838), nom. nud. pro syn. sub Homoianthus Bonpl. ex DC.

Scolymanthus DC., Prodr. 7: 63 (1838), nom. nud. pro syn. sub. Homoianthus Bonpl. ex DC.

Clarionema Phil., Linnaea 28: 717 (1858). Type: Clarionema humilis Phil. = Perezia pedicularidifolia Less.

Calorezia Panero, Phytologia 89(2): 199 (2007). Type: Calorezia nutans (Less.) Panero = Perezia nutans Less.

Type: Perdicium magellanicum L.f. = Perezia magellanica (L.f.) Lag.

References

Panero, J. L. (2007). Calorezia, a new genus of tribe Nassauvieae (Asteraceae, Mutisioideae). Phytologia 89(2): 198201.

Tovar Serpa, O. (1955). Revisi n de las especies Peruanas del gnero Perezia. Publ. Mus. Hist. Nat. Javier Prado-"", Ser. B., Bot. 8: 135 + lam. IXV.

Vuilleumier, B. S. (1969). The systematics and evolution of Perezia sect. Perezia (Compositae). Contr. Gray Herb. 199: 1163.

Note: Cabrera (1978: 655), without adequate explanation, provided a synonymy for the species P. virens (D. Don) Hook. & Arn. which included P. coerulescens (and several of its synonyms). The present list accepts the position of Vuilleumier, especially since her numerical taxonomic results provided discrete separation of P. coerulescens and P. poeppigii Less. (into which P. virens was sunk into synonymy).

Key to species (based on Vuilleumier, 1969)

1.Plants with leafy flowering stems; >2 capitula per inflorescence2

Plants with few, reduced stem leaves; capitula 1 or 28

2. (1)Basal leaves spiny, margins ciliate or with smal dentate segments; capitula few or in a dense inflorescence, not showy; corollas blue, white, cream, yellow, rarely pinkP. multiflora

Basal leaves with large, obtuse, soft, doubly dentate teeth; inflorescence lax, showy; corollas magenta3

3. (2)Basal leaves with sharp teeth, lyrate in outlineP. purpurata

Basal leaves with undulate margins or blunt teeth4

4. (3)Flowering stems decumbent; capitula elongate; outer phyllaries entireP. sublyrata

Flowering stems erect/ascending; capitula campanulate or short-turbinate5

5. (4)Achenes with dense glandular setulae; leaves with dense glandular hairsP. pungens

Achenes with sparse strigose setulae or glabrous; leaves with only a few scattered hairs6

6. (5)Outer phyllaries foliaceous; corollas yellow or violet P. carduncelloides

Outer phyllaries stiff, spiny or entire; corollas blue 7

7. (6)Plants monocephalous; phyllary margins smooth; stem-leaves reduced in sizeP. mandonii

Plants 2- to many-headed; phyllaries usually spiny margined; stem-leaves not scale-likeP. ciliaris

8. (1)Achenes glabrous, with short sparse setulae, or with glandular setulae; receptacle glabrous or with scattered long hairs9

Achenes with dense silky twin-hairs; receptacle with tufts of trichomes13

9. (8)Leaves linear-lanceolate, margins entire or with small clasping teethP. mandonii

Leaves lanceolate to ovate, margins dentate, undulate or spiny 10

10. (9)Basal leaves with 34 deep, rounded segments; plants shorter than 3 cm tallP. pygmaea

Basal leaves undulate or with numerous lobes or teeth; plants over 3 cm tall11

11. (10) Phyllaries lanceolate, bright green in centre; flowering stems exceeding basal rosette P. mandonii

Phyllaries ovate, dark green or reddish in centre; flowering stems as long as or slightly longer than basal leaves12

12. (11) Outer phyllaries stiff, markedly scarious, deep red in centre and white along edges P. purpurata

Outer phyllaries soft, slightly scarious, entriely green or brownP. coerulescens

13. (8)Basal leaves and outer phyllaries evenly and densely ciliate P. ciliosa

Basal leaves dentate or lobateP. purpurata

Perezia abbiattii Cabrera Darwiniana 9(1): 52 (1949) = Perezia ciliosa (Phil.) Reiche

Perezia acanthoides Hook. & Arn., Companion Bot. Mag. 1(No. 2): 33 (1835) = Perezia multiflora (Humb. & Bonpl.) Less.

*Perezia aracensis J. Koster, Blumea 5(3): 678 (1945) = Perezia pungens (Humb. & Bonpl.) Less.

Perezia atacamensis (Phil.) Reiche, Anales Univ. Chile 116: 425 (1905) = Perzia purpurata Wedd.

Perezia bidentata Meyen, Reise um die Erde 1: 470 (1834) = Perezia multiflora (Humb. & Bonpl.) Less.

Perezia burkartii Cabrera, Darwiniana 9(1): 55 (1949) = Perezia coerulescens Wedd.

Perezia carduncelloides Griseb., Abh. Knigl. Ges. Wiss. G ttingen 19([1]): 198 (1874); Pl. Lorent. : 150 (1874). Types: Tucuman, frequens in pratis alpinis supra Cienaga. Catamarca, in alpinis Vayas altas alt. 9-11000'. Syntypes: Lorentz 148, 623, GOET.

Argentina, Bolivia (Tarija).

Perezia ciliaris D. Don ex Hook. & Arn., Companion Bot. Mag. 1(No. 2): 34 (1835). Type: Clarionia ciliaris, Don, MSS. ; we believe it to be one of Cumings plants, and therefore suspect it is a mere state of P. carthamoides. Holotype: K.

Clarionea ciliaris (D. Don ex Hook. & Arn.) DC., Prodr. 7: 61 (1838).

Homoeanthus nivalis Phil., Anales Univ. Chile 87: 308 (1894). Type: Ad limitem nivis perpetuae l. d. Chayanta inter Oruro et Chuquisaca invenit cl Amatus Pissis, meumque communicavit. [En el lmite de la nieve eterna, en Chaganta, entre Oruro y Chuquisaca, lo encontr Amado Pissis, y me lo comunic. 60532. Pizarro, 1960: 147.]

*Perezia foliosa Rusby, Mem. Torrey Bot. Club 6(1): 71 (1896). Type: [Bolivia:] Turedon, 1891 ([Bang] 1131).-'' Holotype: NY; isotypes: GH (11039), US.

*Perezia scapellifolia J. Koster, Blumea 5(3): 680 (1945). Type: [Bolivia:] Hab.: auf den hchsten Bergwiesen bei Comarapa, ca. 2800 m alt., April 1911, Bl. hellblau, [Herzog] n. 1915. Holotype: L.

Perezia scapellifolia J. Koster var. parvifolia J. Koster, Blumea 5(3): 680 (1945). Type: [Bolivia:] Hab.: in Grash ngen des Cerro Sipascoye, 3900 m alt., April 1911, [Herzog] n. 1915 bis. Holotype: L.

Argentina, Bolivia (La Paz), Ecuador, Peru.

Note: Dillon & Hensold (1993) placed P. ciliaris within the synonymy of P. pungens. However, Vuilleumier (1969: 95) whilst admitting that the two might be merely ecotypes she maintained them as separate species, reflected in the key above. Doubtless molecular analyses and further collections throughout the range will clarify the situation, as well as the position of P. carduncelloides.

Perezia ciliosa (Phil.) Reiche, Anales Univ. Chile 116: 426 (1905).

Clarionea ciliosa Phil., Anales Mus. Nac. Chile, Secc. 2, Bot. 8: 35 (1891). Type: [Chile:] Ad Copacoya 3500 m. s. m. lecta. Holotype: SGO; isotype: LP. Note: Pizarro (1960: 136) cited two specimens in SGO 44833 & 60603 which may represent a holotype and isotype, divided holotype material, or syntypes.

Perezia ciliosa (Phil.) Reiche var. dentata Cabrera, Revista Invest. Agric. 11(4): 409 (1957). Type: Argentina. Jujuy, Dep. Humahuaca, Mina Aguilar, 4650 m s.m., leg. Cabrera 9216, 13-I-1948. Holotype: LP. Note: However, Freire & Iharlegui (2000: 330) suggested that material might also possibly be in BA, BAA or BACP.

Perezia abbiattii Cabrera, Darwiniana 9(1): 52 (1949). Type: Argentina. Salta: Dep. Poma, Abra del Gallo, en el camino de San Antonio de los Cobres a Santa Rosa de Pastos Grandes, 4650 m s.m., bajo matas de Festuca ortophylla, leg. A. L. Cabrera, 9059, 10-II-1946. Holotype: LP (57957).

Perezia coriacea Tovar, Publ. Mus. Hist. Nat. Javier Prado, Ser. B, Bot. 8: 21 (1955). Type: [Peru:]. HUNACO: Prov. Hu naco, Mitotambo, arriba de Mito, [30003200 m], Junio 24, 1953, Ferreyra 9431. Holotype: USM (15711); isotype: GH (11038).

Argentina, Bolivia (Cochabamba, Oruro), Peru.

Perezia ciliosa (Phil.) Reiche var. dentata Cabrera, Revista Invest. Agric. 11(4): 409 (1957) = Perezia ciliosa (Phil.) Reiche

*Perezia cirsiifolia Wedd., Chloris Andina 1: 41 (1855) = Perezia coerulescens Wedd.

*Perezia coerulescens Wedd., Chloris Andina 1: 39 (1855). Types: Hab. Prou: Cerro de Pasco!; Andes du d partement de Cuzco! (Gay); pelouses un peu marcageuses du haut plateau de la Cordill re de Tacora, aux environs de Chulunquaiani!, h. 4000 mtres (Wedd.). Bolivie: partie sup rieure du ravin (quebrada) de Chuquiaguillo, Cordillre de La Paz, dans les pelouses humides de la Lancha!, h. 4800 m tres (Wedd.). Syntypes: P.

Perezia nivalis Wedd., Chloris Andina 1: 39 (1855). Type: Hab. Prou: province de Carabaya, dans les lieux pierreux et humides de la Cordill re, prs de la limite inf rieure des nieges perptulelles! (Wedd.). Holotype: P.

*Perezia integrifolia Wedd., Chloris Andina 1: 40 (1855). Type: T'Hab. Bolivie: dpartement de Cochabamba, au sommet de la Cordill re de Morochata!, prs du niveau des neiges (dOrbigny, no 488).'' Holotype: P.

*Perezia cirsiifolia Wedd., Chloris Andina 1: 41 (1855). Type: Hab. Bolivie: au pied des rochers granitiques, dans la partie la plus lev e du col de la grande Cordillre dIllamp !, sur la route de Sorata Tipuani, h. 5100 m tres (Wedd.). Holotype: P.

*Perezia violacea Wedd., Chloria Andina 1: 42 (1855). Type: Hab. Bolivie: fentes des rochers, au niveau des neiges, dans la Quebrada de las lagunas de Potosi! (dOrbigny, no 1417). Holotype: P; isotype: GH.

*Perezia nitidifolia J. Koster, Blumea 5(3): 677 (1945). Type: [Bolivia:] Hab.: auf moorig-sandigen Wiesen des Plateaus bei Palca, 3600 m alt., Mai 1911, Bl. hellblau, [Herzog] n. 2177. Holotype: L; isotype: S.

Perezia burkartii Cabrera, Darwiniana 9(1): 55 (1949). Type: Argentina. Jujuy: Dep. Valle Grande, Santa Ana, cerros a 3500 m s.m., leg. A. Burkart et N. S. Troncoso, 1-III-1940. Holotype: SI (11705); isotype: LP (76704).

Perezia coerulescens Wedd. var. amplibracteata Tovar, Publ. Mus. Hist. Nat. Javier Prado, Ser. B, Bot. 8: 16 (1955). Type: [Peru:] HUANCAVELICA, Prov. Hunacavelica, Distrito Conaica, entre Huaytanayocc y Tansiri, cerca a Manta. O. Tovar 1129. Holotype: USM (15714).

Argentina, Bolivia (Cochabamba, La Paz, Oruro, Potos, Tarija), Ecuador, Peru.

Perezia coerulescens Wedd. var. amplibracteata Tovar, Publ. Mus. Hist. Nat. Javier Prado"", Ser. B, Bot. 8: 16 (1955) = Perezia coerulescens Wedd.

Perezia conaicensis Tovar, Publ. Mus. Hist. Nat. Javier Prado, Ser. B, Bot. 8: 31 (1955) = Perezia pungens (Humb. & Bonpl.) Less.

Perezia coriacea Tovar, Publ. Mus. Hist. Nat. Javier Prado, Ser. B, Bot. 8: 21 (1955) = Perezia ciliaris D. Don ex Kook. & Arn.

*Perezia elongata Kuntze, Revis. Gen. Pl. 3(3): 166 (1898) = Perezia pungens (Humb. & Bonpl.) Less.

*Perezia foliosa Rusby, Mem. Torrey Bot. Club 6(1): 71 (1896) = Perezia ciliaris D. Don ex Hook. & Arn.

Perezia fosbergii Tovar, Publ. Mus. Hist. Nat. Javier Prado, Ser. B, Bot. 8: 21 (1955) = Perezia pungens (Humb. & Bonpl.) Less.

*Perezia glomerata Rusby, Mem. Torrey Bot. Club 4(3): 214 (1895) = Perezia multiflora (Humb. & Bonpl.) Less.

Perezia herzogii Beauverd ex/in Herzog, Pflanzenw. Bolivischen Anden : 210 (1923), nom. nud. = Perezia ?

Perezia hunzikeri Cabrera, Bol. Soc. Argent. Bot. 3(3): 161 (1950) = Perezia purpurata Wedd.

*Perezia integrifolia Wedd., Chloris Andina 1: 40 (1855) = Perezia coerulescens Wedd.

Perezia keshua Cabrera, Darwiniana 9(1): 59 (1949) = Perezia purpurata Wedd.

*Perezia laurifolia Kuntze, Revis. Gen. Pl. 3(3): 166 (1898) = Perezia mandonii Rusby

*Perezia mandonii Rusby, Mem. Torrey Bot. Club 3(3): 66 (1893). Types: [Bolivia:] Capi, March, 1890, and Vic. Cochabamba, 1891 ([Bang] 777). = Mandon 24, fide Britton. Isosyntypes (Bang 777 from Capi, and Bang 777 from Cochabamba): NY; isosyntype (Bang 777 from Capi): GH (11046); isosyntype (Bang 777 from Capi): US; isosyntype (Mandon 24): S.

*Perezia laurifolia Kuntze, Revis. Gen. Pl. 3(3): 166 (1898). Type: Bolivia: 4000 m Pass zwischen Cochabamba und Rio Kuntas. [Bolivia. Pass zwischen Cochabamba und Rio Juntas, 4000 m, 1321 Apr 1892, Kuntze s.n. according to Wetter & Zanoni, 1985: 334]

Argentina, Bolivia (Cochabamba, La Paz, Tarija).

*Perezia multiflora (Humb. & Bonpl.) Less., Linnaea 5: 19 (1830).

Chaetanthera multiflora Humb. & Bonpl., Pl. Aequinoct. 2: 168, pl. 135 (1809). Type: Habitat in montis Antisanae frigidis. Holotype: P-Bonpl.

Homanthis multiflorus (Humb. & Bonpl.) Kunth, Nov. Gen. Sp. Pl. 4 (ed. folio): 11 (1818).

Perezia bidentata Meyen, Reise um die Erde 1: 470 (1834). Type: not cited. [Walper in Observat. Bot. : 290 (1843) cited, under Homoianthus multiflorus Peruvia: in planitie circa Tacoram, altitudine 1417,000 pedum. (v.s.).] Holotype: B.

Homoianthus multiflorus (Humb. & Bonpl.) DC., Prodr. 7: 64 (1838).

Perezia multiflora (Humb. & Bonpl.) Less. var. b achalensis Kuntze, Revis. Gen. Pl. 3(3): 167 (1898). Types: Argentina: Sierra Achala (Hieronymus, Galander). Syntypes: NY. [Hieronymus s.n. 7 Jan 1871 GH]

Clarionea polycephala Cass., Opus. Phytol. 2: 167 (1826), nom. illegit. as nom. nov. pro Chaetanthera multiflora Humb. & Bonpl.

Perezia acanthoides Hook. & Arn., Companion Bot. Mag. 1(No. 2): 33 (1835). Type: Clarionia acanthoides. Don, MSS.Mendoza, Dr. Gillies.Caulis sesquipedalis, teres, albicans, ramosus. Involucri foliola duplice ordine, subaequalia, ovato-lanceolata, spinuloso-mucronata, margine scariosa. Corollae caeruleae. Pappus sordide fulvus. Don, in litt.This we have not seen

*Perezia glomerata Rusby, Mem. Torrey Bot. Club 4(3): 214 (1895). Types: [Bolivia:] [Bang] 736 and 736a, published as Perezia multiflora (H. and B.) Less., Perezia glomerata sp. n. = Mandons 26, Spruces 5551, Lechlers 1726 and 1847, Matthews 633, Pentlands from Titicaca.

Argentina, Bolivia (Cochabamba, La Paz, Tarija), Chile, Colombia, Ecuador, Peru.

Perezia multiflora (Humb. & Bonpl.) Less. var. achalensis Kuntze, Revis. Gen. Pl. 3(3): 167 (1898) = Perezia multiflora (Humb. & Bonpl.) Less.

*Perezia nitidifolia J. Koster, Blumea 5(3): 677 (1945) = Perezia coerulescens Wedd.

Perezia nivalis Wedd., Chloris Andina 1: 39 (1855) = Perezia coerulescens Wedd.

*Perezia obtusisquama J. Koster, Blumea 5(3): 680 (1945) = Perezia pungens (Humb. & Bonpl.) Less.

Perezia pinnatifida (Humb. & Bonpl.) Wedd., Chloris Andina 1: 40 (1855).

Chaetanthera pinnatifida Humb. & Bonpl., Pl. Aequinoct. 2: 170, pl. 136 (1809). Type: [Ecuador:] Habitat in regionibus montis Cotopaxi frigidis. Lectotype (selected by Vuilleumier, 1969: ): pl. 136. Original material should be looked for in P.

Homanthis pinnatifidus (Humb. & Bonpl.) Kunth in Humb., Bonpl. & Kunth, Nov. Gen. Sp. Pl. 4 (ed. folio): 243 (1818).

Homoeanthus pinnatifidus (Humb. & Bonpl.) Spreng., Syst. Veg., ed. 16, 3: 503 (1826).

Homoianthus pinnatifidus (Humb. & Bonpl.) D. Don, Trans. Linn. Soc. London 16(2): 209 (1830).

Clarionea pinnatifida (Humb. & Bonpl.) DC., Prodr. 7: 62 (1838).

Argentina, Bolivia (La Paz), Colombia, Ecuador, Peru.

*Perezia pungens (Humb. & Bonpl.) Less., Linnaea 5: 20 (1830).

Chaetanthera pungens Humb. & Bonpl., Pl. Aequinoct. 2: 146, pl. 127 (1809). Type: [Ecuador:] Habitat in regni Quitensis montibus Rucu-Pinchincha et Antisana. Holotype: P-Bonpl.

Homanthis pungens (Humb. & Bonpl.) Kunth in Humb., Bonpl. & Kunth, Nov. Gen. Sp. Pl. 4 (ed. folio): 4: 11 (1818).

Drozia dicephala Cass., Opusc. Phytol. 2: 171 (1826). Type: not cited.

Clarionia pungens (Humb. & Bonpl.) D. Don, Phil. Mag. 11: 388 (1832).

Homoianthus scaber Benth., Pl. Hartweg. : 136 (1844). Type: In montibus Chuquiribamba. [Hartweg ].

Clarionea macrocephala Sch.Bip., Berberid. Amer. Austr. : 57 (1857), nom. nud.

Leucheria fasciata Klatt, Bot. Jahrb. Syst. 8: 51 (1886). Type: Ecuador; in solo uliginoso montis Pichincha, alt. 4000 m ([Lehmann] n. 386). Jan. 1881. Holotype: B.

Perezia steubelii Hieron., Bot. Jahrb. Syst. 21(4): 372 (1896). Type: Peruvia: crescit supra Centamal (?) inter Pacasmayo et Moyobamba, alt. s. m. 3650 m, ubi floret mense ApriliJunio ([Stbel] coll. peruv. n. 34).

*Perezia pungens (Humb. & Bonpl.) Less. var. (?) cernua Rusby, Mem. Torrey Bot. Club 6(1): 70 (1896). Types: [Bolivia:] Near snow-line, Mt. Tunari, 1891 ([Bang] 1049). The larger form of it from Espirito Santo, 1891 ([Bang] 1218). [Bang 1049 2 - NY] [Bang 1218 GH]; isosyntype (Bang 1218): US.

*Perezia elongata Kuntze, Revis. Gen. Pl. 3(3): 166 (1898). Type/s: : Bolivia: 3600 m auf der Tour zwischen cochabamba und Rio Juntas Ostabhang der Anden. [Bolivia. Auf der Tour zwischen Cochabamba und Rio Juntas Ostabhang der Anden, 3000 m, 1321 Apr 1892, Kuntze s.n. (2 sheets). according to Wetter & Zanoni, 1985: 334; note especially the altitude.]

Perezia weberbaueri Hieron. ex Domke, Notizbl. Bot. Gart. Mus. Berlin-Dahlem 13(117): 249 (1936). Type: Peru: Prov. Sandia, oberhalb Cuyocuyo. Matten mit vereinzelten Struchern.˝ 3800 m (bl hend am 3. Mai 1902 A. Weberbauer n. 933; Typus!). Holotype: B.

*Perezia aracensis J. Koster, Blumea 5(3): 678 (1945). Type: [Bolivia:] Hab.: an einem Wassergraben bei Araca, 4400 m alt., Dez. 1910, leg. C. Bock n. 2480/b. Holotype: L.

*Perezia obtusisquama J. Koster, Blumea 5(3): 680 (1945). Type: [Bolivia:] Hab.: auf Alpenwiesen ber Tablas, 3400 m alt., Mai 1911, Bl. blau, [Herzog] n. 2163. Holotype: L; isotype: S.

Perezia fosbergii Tovar, Publ. Mus. Hist. Nat. Javier Prado, Ser. B, Bot. 8: 22 (1955). Type: [Peru:] CAJAMARCA, Prov. Celend n, Las Lajas, N. O. faldas de Cerro Alto, S. E. de Cortagama (Chimuch), 35 km. N. N. O. de Celendn, 3500 m.s.m., Julio 3, 1947, Fosberg 28123. Holotype: USM (15712); isotype: F.

Perezia conaicensis Tovar, Publ. Mus. Nat. ''Javier Prado, ser. B, Bot. 8: 31 (1955). Type: [Peru:] HUANCAVELICA, Prov. Huancavelica, Dist. Conaica, Laria a 8 km. S. O. de Conaica, 39004000 metros de altitud, Marzo 30, 1952, O. Tovar 903. Holotype: USM (15713); isotype: GH (11036).

Argentina, Bolivia (Cochabamba, La Paz, Oruro), Colombia, Ecuador, Peru.

*Perezia pungens (Humb. & Bonpl.) Less. var. cernua Rusby, Mem. Torrey Bot. Club 6(1): 70 (1896) = Perezia pungens (Humb. & Bonpl.) Less.

*Perezia purpurata Wedd., Chloris Andina 1: 43 (1855). Type: Hab. Bolivie: environs de Potosi!, au voisinage des lagunas (dOrbigny, no 1420). Holotype: P; isotype: GH.

Clarionea atacamensis Phil., Anales Mus. Nac. Chile, Secc. 2, Bot. 8: 35 (1891 ). Types: [Chile:] In summis altitudinibus deserti Atacama variis locis invenitur, sic ad Copacoya, Vegas del Diablo, Antofagasta; ab incolis marancel vocatur, qui infusionem plantae contra morbum puna vel soroche dictum adhibent. Syntypes: SGO; isosyntype: [which one is not stated] LP. [Pizarro (1960: 136) cited Se encuentra en el desierto de Atacama, en diversos lugares, siempre a grandes alturas: cerro de Azufre (San Romn), Copacoya (Fed. Philippi) entre Vegas del Diablo y Antofagasta de la Sierra (Fed. Philippi), Codecido (Gustavo Fl hmann); la gente la llama marancel y la usa como remedio contra el mal de la puna. 44835, 44834, 60847, 60848 SGO.

Perezia hunzikeri Cabrera, Bol. Soc. Argent. Bot. 3(3): 161 (1950). Type: ARGENTINA. LA Rioja: Dep. General Sarmiento, El Zanjn, 4000 m. s.m., leg. A. Krapovickas et J. Hunziker, 5823, 6-II-1949. Holotype: BAB; isotype: LP (78325).

Perezia keshua Cabrera, Darwiniana 9(1): 59 (1949). Type: Argentina. ''- Jujuy: Dep. Susques, quebrada prxima a Susques, 3700 m s.m., leg. A. L. Cabrera, 8759, 14-II-1945. Holotype: LP (54762).

Argentina, Bolivia (Potos ), Chile.

*Perezia pygmaea Wedd., Chloris Andina 1: 40 (1855). Type: Hab. Bolivie: pelouses rases et un peu marcageuses de la Lancha!, dans la partie sup rieure du ravin de Chuquiaguillo, aux environs de La Paz (Wedd.).

Argentina, Bolivia (La Paz), Chile, Peru.

*Perezia scalpellifolia J. Koster, Blumea 5(3): 680 (1945) = Perezia ciliaris D. Don ex Hook. & Arn.

Perezia scalpellifolia J. Koster var. parvifolia J. Koster, Blumea 5(3): 680 (1945) = Perezia ciliaris D. Don ex Hook. & Arn.

Perezia steubelii Hieron., Bot. Jahrb. Syst. 21(4): 372 (1896) = Perezia pungens (Humb. & Bonpl.) Less.

Perezia sublyrata Domke, Notizbl. Bot. Gart. Mus. Berlin-Dahlem 13(117): 248 (1936). Type: Peru: S. Rosa. 14500 ft.; blue flower, AprilMay˝ (Miss D. B. Stafford n. 345. Andere Angaben fehlen. Holotype: K; isotype: BM.

Perezia sublyrata Domke var. glabrescens Tovar, Publ. Mus. Hist. Nat. Javier Prado, Ser. B, Bot. 8: 11 (1955). Type: [Peru:] CUZCO, Prov. Paucartambo, cerca al ro Quencomayo, abjo de Colquepata, alt. 32003300 m., F. Pennell 13789'-'. Holotype: GH (11057); isotypes: F, NY.

Argentina, Bolivia (La Paz), Peru.

Perezia sublyrata Domke var. glabrescens Tovar, Publ. Mus. Hist. Nat. Javier Prado, Ser. B, Bot. 8: 11 (1955) = Perezia sublyrata Domke

*Perezia violacea Wedd., Chloris Andina 1: 42 (1855) = Perezia coerulescens Wedd.

Perezia weberbaueri Hieron. ex Domke, Notizbl. Bot. Gart. Mus. Berlin-Dahlem 13(117): 249 (1936) = Perezia pungens (Humb. & Bonpl.) Less.