Townsendia minima |
Townsendia parryi |
|
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Wyoming Townsend daisy |
Parry's Townsend daisy, Parry's townsendia |
|
Habit | Perennials, 1–2+ cm (± pulvinate). | Biennials or perennials, (2–)5–12(–25+) cm. |
Stems | ± erect; internodes 0.1–1+ mm, ± strigose. |
decumbent to erect; internodes (0.1–)2–12(–25+) mm, strigose. |
Leaves | basal and cauline, blades ± spatulate, 5–10(–15+) × 1.5–3+ mm, ± fleshy, faces sparsely strigose or glabrate. |
basal and cauline, blades spatulate to oblanceolate, 15–35(–60+) × 2–5(–8+) mm, not fleshy, faces ± strigose or glabrate Heads at tips of stems (usually surpassed by leaves). |
Involucres | ± campanulate, 6–10 mm diam. |
± hemispheric or broader, 12–25(–35+) mm diam. |
Ray florets | 8–21; corollas white or pinkish adaxially, laminae 4–8 mm, abaxially usually glabrous, sometimes sparsely glandular-puberulent. |
21–67+; corollas usually blue or purplish, rarely white or pinkish, adaxially, laminae 7–15(–20+) mm, glabrous abaxially. |
Disc florets | 20–40+; corollas 3–4 mm. |
150–200+; corollas 4.5–6 mm. |
Phyllaries | 20–28 in 3–4+ series, the longer ± lanceolate, 5–7 mm (l/w = 2.5–5), sometimes glabrate, apices obtuse to acute, abaxial faces usually ± strigillose. |
40–64 in 4–7+ series, the longer ± lanceolate to lance-linear, 10–15+ mm (l/w = 4–6), apices acute to attenuate (soft, not apiculate), abaxial faces ± strigose or glabrous. |
Heads | ± sessile. |
|
Cypselae | 2–3.5 mm, faces hairy, hair tips entire or forked; pappi persistent, 15–30 subulate to setiform scales 3–5 mm. |
3–4.5+ mm, hairy, hair tips forked or entire; pappi persistent, of 24–30+ subulate to setiform scales 3.5–4(–7.5) mm. |
2n | = 27 (apomicts). |
= 18. |
Townsendia minima |
Townsendia parryi |
|
Phenology | Flowering Apr–Jun. | Flowering May–Aug. |
Habitat | Rocky slopes, talus | Meadows, grassy slopes, gravelly benches, talus |
Elevation | 1800–3100 m (5900–10200 ft) | 1500–3000 m (4900–9800 ft) |
Distribution |
UT
|
ID; MT; NV; OR; UT; WY; AB; BC
|
Discussion | Of conservation concern. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
|
Source | FNA vol. 20, p. 202. | FNA vol. 20, p. 197. |
Parent taxa | ||
Sibling taxa | ||
Synonyms | T. alpigena var. minima | |
Name authority | Eastwood: Leafl. W. Bot. 1: 206. (1936) | D. C. Eaton: Amer. Naturalist 8: 212. (1874) |
Web links |