Townsendia incana |
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hoary Townsend daisy, hoary townsendia, silvery townsendia |
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Habit | Perennials, (1–)2–8(–12+) cm. |
Stems | decumbent to erect; internodes (0.5–)2–6(–12+) mm, usually densely piloso-hirsute, sometimes strigoso-scabrellous (surfaces usually hidden by hairs). |
Leaves | basal and cauline, blades spatulate to narrowly oblanceolate, 3–12(–40+) × 1–2(–4+) mm, not fleshy, ± strigoso-scabrellous to strigillose. |
Involucres | ± campanulate to hemispheric, (6–)10–15(–20) mm diam. |
Ray florets | (8–)13–34+; corollas white or pinkish adaxially, laminae 5–8(–12+) mm, abaxially usually glabrous, sometimes glandular-puberulent at bases. |
Disc florets | 60–80+; corollas 4.5–6.5+ mm. |
Phyllaries | 16–28+ in 3–4+ series, the longer ± lance-ovate to lanceolate, (6–)8–9(–12+) mm (l/w = 2.5–5), apices acute, abaxial faces strigose. |
Heads | at tips of stems (usually surpassed by leaves). |
Cypselae | 3.5–4.5+ mm, faces hairy, hair tips glochidiform; pappi persistent; on ray cypselae 15–30 lanceolate or subulate to setiform scales 0.3–0.6 or 4–6+ mm; on disc cypselae 15–30+ subulate to setiform scales 4–6+ mm. |
2n | = 18. |
Townsendia incana |
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Phenology | Flowering Apr–Jul. |
Habitat | Sandy soils, rocky benches, shales, with pinyons and junipers |
Elevation | 1100–2200 m (3600–7200 ft) |
Distribution |
AZ; CO; MT; NM; NV; UT; WY
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Source | FNA vol. 20, p. 199. |
Parent taxa | |
Sibling taxa | |
Synonyms | T. arizonica |
Name authority | Nuttall: Trans. Amer. Philos. Soc., n. s. 7: 305. (1840) |
Web links |