Townsendia eximia |
Townsendia formosa |
|
---|---|---|
tall Townsend daisy, tall townsendia |
smooth Townsend daisy |
|
Habit | Biennials or perennials, 6–15(–30+) cm (sometimes rhizomatous). | Biennials or perennials, 10–35(–75+) cm (usually rhizomatous and/or stoloniferous). |
Stems | ± erect; internodes 6–8(–25) mm, ± strigose. |
erect; internodes (5–)10–15(–35) mm, strigillose. |
Leaves | basal and cauline, blades spatulate to oblanceolate, 15–60(–120+) × 2–6(–10) mm (margins strigoso-ciliate), faces usually glabrous, sometimes sparsely strigillose. |
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 | hemispheric or broader, (8–)12–25+ mm diam. |
± hemispheric or broader, 12–18+ mm diam. |
Ray florets | 15–55+; corollas usually blue adaxially, laminae 12–20 mm, glabrous abaxially. |
20–34+; corollas usually white or pinkish adaxially (abaxially blue to lavender), laminae 10–15(–25+) mm, glabrous abaxially. |
Disc florets | (60–)100–150+; corollas (3.5–)4–5+ mm. |
80–150+; corollas 4 mm. |
Phyllaries | (30–)60–80+ in (4–)5–6+ series, the longer ± lanceolate, (7–)12–13+ mm (l/w = 3–5), apices acute to attenuate (most hard, apiculate), abaxial faces sparsely strigillose or glabrous. |
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 | at tips of ± leafy stems. |
at tips of stems (seldom surpassed by leaves). |
Cypselae | 3–4+ mm, faces ± hairy, hair tips forked or glochidiform; pappi persistent; on ray cypselae each a corona 0.1–0.5 mm; on disc cypselae each of 8–12+ lanceolate scales 0.5–1 mm plus 1–2+ subulate to setiform scales 1–4 mm. |
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 eximia |
Townsendia formosa |
|
Phenology | Flowering (May–)Jul–Aug(–Oct). | Flowering Jul–Aug(–Sep). |
Habitat | Gravelly banks, canyon walls, with junipers, pinyons, and yellow pines | Meadows, yellow-pine forests |
Elevation | (1900–)2100–2500(–3300) m ((6200–)6900–8200(–10800) ft) | 2400–2600 m (7900–8500 ft) |
Distribution |
CO; NM
|
AZ; NM |
Source | FNA vol. 20, p. 197. | FNA vol. 20, p. 197. |
Parent taxa | Asteraceae > tribe Astereae > Townsendia | Asteraceae > tribe Astereae > Townsendia |
Sibling taxa | ||
Name authority | A. Gray: Mem. Amer. Acad. Arts, n. s. 4: 70. (1849) | Greene: Leafl. Bot. Observ. Crit. 1: 213. (1906) |
Web links |