Townsendia leptotes |
Townsendia strigosa |
|
---|---|---|
common Townsend daisy, common townsendia, slender townsendia |
hairy Townsend-daisy, hairy townsendia |
|
Habit | Perennials, 1–3 cm (± pulvinate). | Biennials, (1–)3–10(–20) cm. |
Stems | ± erect; internodes 0.1–1 mm, strigose. |
decumbent to erect; internodes 5–25 mm, piloso-strigose to strigillose (surfaces seldom hidden by hairs). |
Leaves | basal and cauline, blades spatulate to narrowly obovate, (8–)12–25(–40+) × 1–2(–3+) mm, ± fleshy, faces ± strigose to strigillose or glabrate. |
basal and cauline, blades spatulate to oblanceolate or linear, 12–30(–50) × 2–7(–9) mm, not fleshy, faces ± strigose to strigillose. |
Involucres | ± campanulate, 8–12(–20+) mm diam. |
± campanulate, 5–20 mm diam. |
Ray florets | 13–34+; corollas usually white or pinkish, seldom blue, adaxially, laminae 5–7(–12+) mm, abaxially usually glabrous, sometimes sparsely glandular-puberulent. |
8–30+; corollas white or pinkish adaxially, laminae 5–14 mm, abaxially usually glabrous, sometimes glandular-puberulent. |
Disc florets | 40–80+; corollas 4–6+ mm. |
(8–)20–80(–100+); corollas 3.5–5 mm. |
Phyllaries | 40–50+ in 4–5+ series, the longer ± lanceolate, 7–9(–12) mm (l/w = 2.5–5), apices acute to attenuate, abaxial faces sparsely strigose or glabrous. |
20–24 in 3–4+ series, the longer ± lance-ovate to lanceolate, 5–9 mm (l/w = 2.5–5), apices acute to acuminate, abaxial faces strigose. |
Heads | usually ± sessile, rarely on scapiform peduncles 5–15+ mm. |
at tips of stems (usually surpassed by leaves). |
Cypselae | 3+ mm, faces glabrous or sparsely hairy (hairs mostly at bases), hair tips glochidiform; pappi persistent; on ray cypselae ca. 25 lanceolate or subulate to setiform scales 0–1 or 5–8 mm; on disc cypselae ca. 30 subulate to setiform scales 5–8 mm. |
3–4 mm, faces hairy, hair tips glochidiform; pappi persistent; on ray cypselae 12–20+ lanceolate to subulate scales 0.5–1.5+ mm; on disc cypselae 20–35 subulate to setiform scales 3.5–5.5 mm. |
2n | = 18. |
= 18. |
Townsendia leptotes |
Townsendia strigosa |
|
Phenology | Flowering Jun–Jul. | Flowering May–Jun. |
Habitat | Rocky ridges, sandy slopes | Open sites, sands, shales, clays with desert scrub, junipers, pinyons |
Elevation | (2300–)2900–3800 m ((7500–)9500–12500 ft) | 1500–2000 m (4900–6600 ft) |
Distribution |
CA; CO; ID; MT; NM; NV; UT; WY
|
AZ; CO; NM; UT; WY
|
Source | FNA vol. 20, p. 203. | FNA vol. 20, p. 199. |
Parent taxa | ||
Sibling taxa | ||
Synonyms | T. sericea var. leptotes | T. strigosa var. prolixa |
Name authority | (A. Gray) Osterhout: Muhlenbergia 4: 69. (1908) | Nuttall: Trans. Amer. Philos. Soc., n. s. 7: 306. (1840) |
Web links |