Psilocarphus tenellus |
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slender woolly-heads, slender woolly-marbles |
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Habit | Plants greenish to grayish, arachnoid to ± sericeous. |
Stems | (1–)2–10, ascending to ± prostrate; proximal internode lengths mostly 1–2(–3) times leaf lengths. |
Receptacles | unlobed. |
Heads | ± spheric, largest 3–5.5 mm. |
Cypselae | narrowly obovoid, somewhat compressed, 0.7–1.2 mm. |
Capitular | leaves ± spreading, mostly not appressed to heads, spatulate to obovate, widest in distal 1/3, longest 6–15 mm, lengths mostly 2–5 times widths, 1.5–2.5(–3) times head heights. |
Pistillate | paleae individually visible through indument, longest mostly 1.5–2.7 mm. |
Staminate | corollas 0.8–1.5 mm, lobes mostly 5. |
Psilocarphus tenellus |
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Phenology | Flowering and fruiting late Mar–early Aug. |
Habitat | Dry or seasonally moist, barren to wooded slopes, flats, often disturbed sites (foot paths, road beds, burns), sometimes near vernal pools toward s |
Elevation | 0–2100 m (0–6900 ft) |
Distribution |
CA; ID; OR; WA; BC; Mexico (Baja California)
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Discussion | Psilocarphus tenellus is relatively common in the Californian Floristic Province from northwestern Baja California to southwestern Oregon; northward it is scattered to northern Idaho and Vancouver Island, British Columbia. It has been of conservation concern in Canada (J. M. Illingworth and G. W. Douglas 1994b). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 19, p. 459. |
Parent taxa | Asteraceae > tribe Gnaphalieae > Psilocarphus |
Sibling taxa | |
Name authority | Nuttall: Trans. Amer. Philos. Soc., n. s. 7: 341. (1840) |
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