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Noticastrum DC., Prodr. 5: 279 (1836).

Aplopappus sect. ? Leucopsis DC., Prodr. 5: 348 (1836). Type: not stated.

Aster L. sect. Noticastrum Benth. & Hook.f., Gen. Pl. 2(1): 273 (1873), p.p.

Leucopsis (DC.) Baker in Mart., Fl. Bras. 6(3): 5 (1882), p.p.

Type: Noticastrum adscendens DC.

References

Cuatrecasas, J. (1973). Miscellaneous notes on Neotropical Flora, III. Phytologia 25(4): 249256.

Zardini, E. M. (1985). Revision del genero Noticastrum (Compositae-Astereae). Revista Mus. La Plata n.s. 13(86): 313424.

Key to species

1. Ray limbs 36 mm long (rarely to 7 mm), shorter than or just longer than the pappus and involucre; plants glabrous or pubescence lanose or sericeous 2

Ray limbs 6.57 mm long, well exserted and conspicuous above pappus and involucre; pubescence glandular; N. jujuyense

2. (1) Plants very small, caespitose to 8 cm tall; densely sericeous; ray limb 2.44 mm long N. argenteum

Plants not caespitose, more than 10 cm tall (rarely less in some forms of N. marginatum); glabrous, lanose or sericeous 3

3. (2) Erect stems more than 40 cm tall, branched above in inflorescence; inflorescence multi-headed; plants lanose; ray limb 2.55 mm long N. gnaphalioides

Stems ascending or creeping or trailing, usually less than 40 cm tall; capitula solitary or few; glabrous or sericeous; ray limb 3.57 mm long N. marginatum

Noticastrum argenteum Cabrera, Bol. Soc. Argent. Bot. 15(4): 326 (1974). Type: Argentina: Prov. Crdoba, Los Gigantes, A. L. Cabrera et al. 18785. Holotype: LP.

Aster marginatus Kunth var. g argenteus Wedd., Chloris Andina 1: 188 (1957). Type/s [no distinction is made between the specimen citations for the species or the two varieties: Hab. Nouvelle-Grenade: aux environs de Bogota!, 1370 m. (Humb. et Bonpl.); province d'''Ocaa!, dans les paramos (Schlim, exsicc., n. 566). P rou: montagnes de Huasi-huasi! (Dombey) Bolivie: rgion alpestre des Cordill res du dparement de Chuquisaca! (dOrbigny, Wedd.[ell]). -'- Chili: Cordillres des provinces centrales!. Syntypes: P.

Argentina, Bolivia (Tarija), Chile, Colombia, Peru.

Noticastrum gnaphalioides (Baker) Cuatrec., Phytologia 25(4): 250 (1973).

Leucopsis gnaphalioides Baker in Mart., Fl. Bras. 6(3): 8 (1882). Types: ''Habitat in prov. Minas Geras campis petrosis ad Caldas: Regnell III. n. 733!; in Brasilia australi: Sello n. 2362!, 4408! sine designatione loci; in Paraguay in campis ad Caaguazu: Balansa n. 885! Lectotype (selected by Cuatrecasas: 1973: 250): Balansa 885, US; isolectotypes: BM, K, LP, P.

Aster gnaphalioides (Baker) Hassl., Feddes Repert. Spec. Nov. Regni Veg. 16: 26 (1919).

Argentina, Bolivia (Santa Cruz), Brazil, Paraguay, Uruguay.

Noticastrum jujuyense Cabrera, Bol. Soc. Argent. Bot. 15(4): 328 (1974). Type: ''Argentina: Prov. Jujuy, Dep. Capital, Lagunas de Yala, A. L. Cabrera et R. Kiesling 20153. Holotype: LP.

Argentina, Bolivia (La Paz).

Noticastrum marginatum (Kunth) Cuatrec., Webbia 24(1): 47 (1969).

*Aster marginatus Kunth in Humb., Bonpl. & Kunth, Nov. Gen. Sp. Pl. 4 (ed. folio): 71 (1818). Type: [Colombia:] Crescit in alta planitie Novo-Granatensi juxta urbem Santa Fe de Bogota, alt. 1370 hex. K Floret Julio. Holotype: P-Bonpl.

*Aster acaulis Wedd., Chloris Andina 1: 189, pl. 33A (1857). Types: Hab. Prou: d partement de Cuzco! (Gay). Bolivie: rgio alpine des Cordill res de la province dAyopaya!, dans le dpartement de Cochabamba (Wedd.). Lectotype (selected by Zardini, 1985: 400): ''Bolivia, Prov. dAyopaya, Decemb. 1846, M. H. Alg. Weddell P.

Aster perezii Cuatrec., Trab. Mus. Nac. Ci. Nat. Jard. Bot. Madrid, ser. Bot. 29: 20 (1935). Type: Cordillera Orientalis Colombiae: in Sabana de Guasca, in formatione pratense, ad 2.700 m. alt., ubi 24-IV-32 legi ([Cuatrecasas] numerus 2917). Illustri Botanico Colombiano Doctori E. Prez Arbel ez, dicta species. Note: there were no closing symbols to the Sabana. Holotype: MA; isotype: F, K.

Noticastrum marginatum (Kunth) Cuatrec. f. acaulis (Wedd.) Cuatrec., Phytologia 25(4): 253 (1973).

Argentina, Bolivia (Chuquisaca, Cochabamba, La Paz, Santa Cruz), Colombia, Peru, Venezuela.

Note: Cuatrecasas (1969: 47) also linked Noticastrum erectum Remy, Fl. Chile 4: 19 (1849) and Aster erectus (Remy) Reiche, Anales Univ. Chile 119: 333 (1901), along with Noticastrum philippi Sch.Bip., Bonplandia 4(4): 54 (1856), nom. nud.

Noticastrum marginatum (Kunth) Cuatrec. f. acaulis (Wedd.) Cuatrec., Phytologia 25(4): 253 (1973) = Noticastrum marginatum (Kunth) Cuatrec.