Townsendia spathulata |
Townsendia formosa |
|
---|---|---|
sword Townsend daisy |
smooth Townsend daisy |
|
Habit | Perennials, 1–2 cm (usually ± pulvinate). | Biennials or perennials, 10–35(–75+) cm (usually rhizomatous and/or stoloniferous). |
Stems | ± erect; internodes 0.1–1 mm, ± villous. |
erect; internodes (5–)10–15(–35) mm, strigillose. |
Leaves | basal and cauline, ± spatulate, 7–10(–20) × 1.5–2(–4) mm little, it at all, fleshy, faces ± villous or sericeous. |
basal and cauline, blades spatulate to oblanceolate or lance-linear, 15–45(–75+) × 2–10(–20) mm, not fleshy (margins strigoso-ciliolate), glabrous or glabrate. |
Involucres | ± urceolate, 6–12(–16) mm diam. |
± hemispheric or broader, 12–18+ mm diam. |
Ray florets | 12–30+; corollas white to pinkish adaxially, laminae 3–12 mm, abaxially usually glandular-puberulent, sometimes glabrous. |
20–34+; corollas usually white or pinkish adaxially (abaxially blue to lavender), laminae 10–15(–25+) mm, glabrous abaxially. |
Disc florets | 16–30+; corollas 4–5+ mm. |
80–150+; corollas 4 mm. |
Phyllaries | 16–24+ in 3–4 series, the longer lance-ovate to lanceolate, 6–8(–9) mm (l/w = 4–7), apices usually acute, sometimes attenuate, abaxial faces ± villous to strigillose. |
30–45 in 4–6+ series, the longer obovate to lance-ovate or lanceolate, 10–12(–14) mm (l/w = 3–5), apices obtuse to acute (some or all hard, ± apiculate), abaxial faces sparsely strigillose or glabrous. |
Heads | ± sessile. |
at tips of stems (seldom surpassed by leaves). |
Cypselae | 2.5–4 mm, faces hairy, hair tips glochidiform or forked; pappi readily falling, of 14–30 subulate to setiform scales 4.5–6+ mm (± connate basally). |
3–4(–5) mm, faces glabrous or ± stipitate-glandular, hair tips not forked or glochidiform; pappi persistent, each a bidentate corona 0.1–0.4(–0.8) mm. |
2n | = 18. |
|
Townsendia spathulata |
Townsendia formosa |
|
Phenology | Flowering May–Jun. | Flowering Jul–Aug(–Sep). |
Habitat | Open ridges | Meadows, yellow-pine forests |
Elevation | 1600–2300 m (5200–7500 ft) | 2400–2600 m (7900–8500 ft) |
Distribution |
MT; WY
|
AZ; NM |
Source | FNA vol. 20, p. 196. | FNA vol. 20, p. 197. |
Parent taxa | ||
Sibling taxa | ||
Name authority | Nuttall: Trans. Amer. Philos. Soc., n. s. 7: 305. (1840) | Greene: Leafl. Bot. Observ. Crit. 1: 213. (1906) |
Web links |