Psilostrophe bakeri |
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Baker's paperflower |
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Habit | Biennials or perennials (rarely flowering first year), 5–12(–20+) cm. |
Stems | arachno-villous (gray to gray-green). |
Peduncles | 15–35(–50) mm. |
Involucres | 7–9(–12) mm. |
Disc florets | (10–)12–15(–20). |
Heads | in ± loose, corymbiform arrays. |
Cypselae | usually glabrous, sometimes gland-dotted; pappi of 4–5 ± oblong scales 1.5–2 mm. |
Rays | 4–5(–8); laminae 8–15+ mm, spreading in fruit. |
2n | = 32. |
Psilostrophe bakeri |
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Phenology | Flowering May–Jun. |
Habitat | Rocky, often alkaline, slopes, knolls |
Elevation | 1300–2000 m (4300–6600 ft) |
Distribution |
CO; ID
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Source | FNA vol. 21, p. 455. |
Parent taxa | Asteraceae > tribe Heliantheae > subtribe Gaillardiinae > Psilostrophe |
Sibling taxa | |
Name authority | Greene: Pl. Baker. 3: 29. (1901) |
Web links |