Distribución y hábitat
Gamochaeta hiemalis is endemic to south and southeast Brazil (Deble & Mar chiori, 2007; Loeuille, 2010) in the Amazonian domin ion (Cabrera & Willink, 1973), where it grows in moist, rocky soils at elevations of 1000 m.
Flora del Cono Sur · Ficha del taxón
Perennial herbs, 30–40 cm tall, stems solitary, as cendent, usually branched near base, uniformly leafy, densely grayish-woolly. Basal leaves 15–35 × 2–5 mm, obovate, attenuate at base, apex obtuse, mucronate; con colorous, grayish-woolly on both surfaces; trichomes long, eglandular, eseptate, with basal cells slightly expanded; cauline leaves 15–30 × 2–4.5 mm, linear- obovate, apex acute. Capitula many, in clusters sub tended by linear-obovate leaves, arranged in continuous spikes, interrupted at base. Involucre campanulate, 4–5 mm high. Phyllaries 23 to 24, 3- or 4-seriate, lamina light brown at apex; outer phyllaries 2–3 × 0.8–1.8 mm, ovate, apex obtuse, lanuginose; inner phyllaries 3.7–4 × 0.5–0.9 mm, oblong, apex obtuse, glabrous. Pistillate florets 19 to 32, corolla ca. 2.3 mm. Bisexual florets 1 to 5, corolla ca. 2.5 mm, 5-lobed, anthers 5. Achenes ca. 0.5 mm, pilose, with clavate duplex tri chomes. Pappus bristles ca. 2.5 mm.
Gnaphalium hiemale Rizzini, Revista Brasil. Biol. 7: 278. 1947, nom. illeg., non Gnaphalium hyemale Walter, Fl. Carol. 203: 1788.
Gamochaeta hiemalis is endemic to south and southeast Brazil (Deble & Mar chiori, 2007; Loeuille, 2010) in the Amazonian domin ion (Cabrera & Willink, 1973), where it grows in moist, rocky soils at elevations of 1000 m.
El nombre aceptado actualmente para la Flora del Cono Sur es Gamochaeta hiemalis .
Referencia bibliográfica:
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| Deble , nom. superfl. | 2005 | Balduinia 5 · 16 |
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| (Rizzini) Cabrera , comb. illeg. | 1961 | Bol. Soc. Argent. Bot. 9 · 373 |
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| Rizzini , nom. illeg. | 1947 | Revista Brasil. Bot. 7 · 278 |
Gamochaeta brasiliana
Sinónimo registrado de Gamochaeta hiemalis .
Gamochaeta hiemale
Sinónimo registrado de Gamochaeta hiemalis .
Gnaphalium hiemale Rizzini, Revista Brasil. Biol. 7: 278. 1947, nom. illeg., non Gnaphalium hyemale Walter, Fl. Carol. 203: 1788.
Comb. illeg.
Gnaphalium hiemale
Sinónimo registrado de Gamochaeta hiemalis .
Brazil. Edo. Sao Paulo, Campos de Jordão, 5 Feb. 1937, P. Campos Porto 3122 (holotype, RB-00283050!*).
Nom. illeg., non Gnaphalium hyemale Walter, Fl. Carol. 203: 1788.
Freire, S. E., Grossi, M. A., Bayón, N. D., Monti, C., Iharlegui, L. & Migoya, M. A. (2024). Taxonomic revision and morphometric analysis of Gamochaeta (Asteraceae, Gnaphalieae). Annals of the Missouri botanical garden, 109, 244-320.
Paz Deble, L. & Marchiori, J. N. C. (2007). Sinopse do gênero Gamochaeta Weddel (Asteraceae-Gnaphaliaeae) no Brasil. Balduinia, 10, 21.
Sin datos de conservación registrados en Flora Vascular Argentina.
Fuente: Flora Vascular Argentina.
Recognition. Gamochaeta hiemalis appears to oc cupy an isolated position within the cluster (Fig. 3A) because of its solitary stems branched above the base, and achenes with clavate duplex trichomes.