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Parastrephia Nutt., Trans. Amer. Phil. Soc. ser. 2, 7: 449 (1841).

Dolichogyne sect. Tola Wedd., Chloris Andina 1: 182 (1856). Type: not cited.

Polycladus [as Polyclados] Phil., Fl. Atacam.: 34 (1860); Reise Atacama : 208 (1860). Type: Polycladus cupressinus Phil. = Parastrephia quadrangularis (Meyen) Cabrera

Type: Parastrephia ericoides Nutt. = Baccharis phyliciformis Meyen = Parastrephia phyliciforme (Meyen) Cabrera Parastrephia lucida (Meyen) Cabrera.

Note: Nesom (1993) sank Parastrephia phyliciforme into P. lucida and changed the type to Parastrephia ericoides Nutt. = P. lucida (Meyen) Cabrera.

References

Cabrera, A. L. (1945). Sinopsis del gnero Lepidophyllum (Compositae). Bol. Soc. Argent. Bot. 1(1): 4858.

Cabrera, A. L. (1954). Las especies del g nero Nardophyllum. Notas Mus. La Plata, Bot. 17(No. 83): 5566.

Nesom, G. L. (1993). Synopsis of Parastrephia (Asteraceae: Astereae). Phytologia 75(5): 347357.

Paucar, A. G. (2000). Diplostephium tovari Cuatrecasas, a new synonym for Parastrephia lucida (Meyen) Cabrera (Compositae-Astereae). Compositae Newslett. 35: 4447.

Key to species (following Nesom, 1993)

1.Leaves 2.02.5 mm long, deltate-ovate and nearly flat, tightly appressed to stem, seemingly sunken in dense white stem tomentum; stem outline almost terete P. teretiuscula

Leaves 26 mm long, margins revolute, usually dinstinctly linear but ovate when small, ascending or appressed to stem, if appressed stem distinctly angular in outlineq 2

2. (1)Leaves 46 mm long, not adnate to stem, ascending to spreading-recurving; central florets 1328; marginal florets 716 P. lucida

Leaves 25 mm long, straight and tightly appressed to stem, basal portion adnate; central florets 310; marginal florets 39 P. quadrangularis

Parastrephia ericoides Nutt., Trans. Maer. Phil. Soc., n.s. 7: 450 (1841) = Parastrephia lucida (Meyen) Cabrera

Parastrephia lepidophylla (Wedd.) Cabrera, Notas Mus. La Plata, Bot. 17(No. 83): 65 (1954) = Parastraphia quadrangularis (Meyen) Cabrera

Parastrephia lucida (Meyen) Cabrera, Notas Mus. La Plata, Bot. 17(No. 83): 57 (1954).

Baccharis lucida Meyen, Reise um die Erde 1: 460 (1834). Type: not cited. [Walper in Observat. Bot. : 253 (1843) cited Peruvia: in planitie circa Tacoram, alt. 1417,000 ped. (v.s.). Holotype: B.

Baccharis phyliciformis Meyen, Reise um die Erde 2: 31 (1835). Type: not cited. Note: the accompanying text, to which the description was a footnote, suggests that the material was collected Der Knochenberg, auf der stlichen Seite des Vulcans which is between the Departement von Puno und den von Arequipa.νΈ‰ν±’ [Walper in Observat. Bot. : 253 (1843) cited only Peruvia: Arequipa. (v.s.)]. Holotype: B.

Parastrephia ericoides Nutt., Trans. Amer. Phil. Soc., ser. 2, 7: 450 (1841). Type: Hab. In Peru, near Arequipa; (Mr. Curson.) In sandy soil. ... (My specimens are mere sprigs, and I am, therefore unacquainted wit hthe habit of this curious plant.)

Vernonia phyliciformis (Meyen) Walp., Nov. Actorum Acad. Caes. Leop.-Carol. Nat. Cur. 19 (Suppl. 1): 252 (1843).

Vernonia phyliciformis (Meyen) Walp. var. resinosa Walp., Nov. Actorum Acad. Caes. Leop.-Carol. Nat. Cur. 19 (Suppl. 1): 253 (1843), based on Baccharis lucida Meyen.

Dolichogyne rigida Wedd., Chloris Andina 1: 182 (1856). Types: Hab. Prou: Sur le plateau de Tacora!, o il crot en soci t avec le pr cdent [= Dolichogyne lepidophylla] (Pentland, Wedd.).

Dolichogyne rupestris Wedd., Chloris Andina 1: 183 (1856). Type: ι’‘Hab. Bolivie: environs de Potosi!, dans la Quebrada de las lagunas, au niveau des nieges perptuelles (dOrbigny, n. 1382).ι’’

Lepidophyllum rigidum (Wedd.) Benth. & Hook. f., Gen. Pl. 2(1): 258 (1873).

Polycladus abietinus Phil., Anales Univ. Chile 43: 492 (1873). [Note: In a separately paginated reprint/preprint in K this appeared on p. 16.] Type: Hallado por el seor don Guillermo Doell cerca de las salitreras de Antofagasta, en el desierto de Atacama. Pizarro (1960, 154) cited SGO 62959.

Dolichogyne glabra Phil., Anales Mus. Nac. Chile, Secc. 2, Bot. 8: 39 (1891). Type/s: Ad Lorohausi frequens.ρ’‘’ Pizarro (1960: 139) cited Abundante en Lorohuasi. SGO 43811, 60576.

Lepidophyllum abietinum (Phil.) Reiche, Anales Univ. Chile 109: 26 (1901).

Lepidophyllum phyliciforme (Meyen) Hieron. ex R. E. Fr., Nova Acta Regiae Soc. Sci. Upsal., Ser. 4, 1(1): 77 (1905).

Lepidophyllum phyliciforme (Meyen) Hieron. ex R. E. Fr. var. resinosum (Walp.) S. F. Blake, J. Wash. Acad. Sci. 21(14): 326 (1931).

*Lepidophyllum lucidum (Meyen) Cabrera, Bol. Soc. Argent. Bot. 1(1): 51 (1945).

Parastrephia phyliciformis (Meyen) Cabrera, Notas Mus. La Plata, Bot. 17(No. 83): 57 (1954).

Diplostephium tovari Cuatrec., Phytologia 31(4): 319 (1975). Type: Peru, Ayacucho prov. Lucanas: Pampa Galeras, entre Nazca y Lucanas, 4100 m alt, habitat algo rocoso con estepa de gramneas, flores amarillas, 23-X-1969, Oscar Tovar 6274. Holotype: US.

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

Parastrephia phyliciformis (Meyen) Cabrera, Notas Mus. La Plata, Bot. 17(No. 83): 57 (1954) = Parastrephia lucida (Meyen) Cabrera

Parastrephia quadrangularis (Meyen) Cabrera, Notas Mus. La Plata, Bot. 17(No. 83): 57 (1954).

Baccharis quadrangularis Meyen, Reise um die Erde 1: 460 (1834). Type: not cited. [Walper in Observat. Bot. : 295 (1843) cited only Peruvia: Arequipa. (v.s.)]. Holotype: B.

Dolichogyne lepidophylla Wedd., Chloris Andina 1: 182, tab. 30 A (1856), nom. illegit. superfl. based on Baccharis quadrangularis Meyen (incl. type).

Polycladus cupressinus Phil., Fl. Atacam.. : 34 (1860); Reise Atacama 208, tab. 4, fig. B (1860). Type: In monte Alto de Puquios dicto 2352' lat. m. et 12600 p. s. m. repperi. Pizarro (1960: 154) cited 44743 & 62958.

Lepidophyllum meyenii A. Gray, Proc. Amer. Acad. Arts 5: 122 (1862), nom. nov. based on Baccharis quadrangularis Meyen).

*Lepidophyllum quadrangulare (Meyen) Benth. & Hook. f., Gen. Pl. 2(1): 258 (1873).

Lepidophyllum cupressinum (Phil.) Kuntze, Revis. Gen. Pl. 3(2): 162 (1898).

*Lepidophyllum tola Cabrera, Bol. Soc. Argent. Bot. 1(1): 56 (1945), nom. illegit. as nom. nov. pro Dolichogyne lepidophylla Wedd.

Parastrephia lepidophylla (Wedd.) Cabrera, Notas Mus. La Plata, Bot. 17(No. 83): 65 (1954).

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

Parastrephia teretiuscula (Kuntze) Cabrera, Notas Mus. La Plata, Bot. 17(No. 83): 57 (1954).

*Lepidophyllum teretiusculum Kuntze, Revis. Gen. Pl. 3(3): 162 (1898). Type: Chile-Bolivia: Ascotan 3000ν‘–3900 m. [Chile-Bolivia. Ascotan, 3000-3900 m, 7 Mar 1892, Kuntze s.n. according to Wetter & Zanoni, 1985: 334]

Bolivia (Potos), Chile.