Townsendia leptotes |
Townsendia mensana |
|
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common Townsend daisy, common townsendia, slender townsendia |
table Townsend daisy |
|
Habit | Perennials, 1–3 cm (± pulvinate). | Perennials, 1–3 cm (± pulvinate). |
Stems | ± erect; internodes 0.1–1 mm, strigose. |
± erect; internodes 0.1–1 mm, ± pilose. |
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 narrowly oblanceolate to lance-linear, 5–40+ × 0.6–2.5+ mm, not fleshy, faces ± strigoso-sericeous to strigose. |
Involucres | ± campanulate, 8–12(–20+) mm diam. |
± campanulate, 7–10 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. |
13–21+; corollas white adaxially, laminae 4–8+ mm, glandular-puberulent abaxially. |
Disc florets | 40–80+; corollas 4–6+ mm. |
40–60+; corollas (3.5–)4.5–6 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. |
25–50+ in 4–5+ series, the longer narrowly lanceolate, 6–8+ mm (l/w = 5–6), apices acute, abaxial faces sparsely strigillose or glabrate. |
Heads | usually ± sessile, rarely on scapiform peduncles 5–15+ mm. |
± sessile. |
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. |
3–3.5 mm, faces hairy, hair tips glochidiform; pappi persistent; on ray cypselae 15–35 subulate to setiform scales 0.5–1.5 or 4–5 mm; on disc cypselae 15–35 subulate to setiform scales 4–6.5 mm. |
2n | = 18. |
|
Townsendia leptotes |
Townsendia mensana |
|
Phenology | Flowering Jun–Jul. | Flowering May. |
Habitat | Rocky ridges, sandy slopes | Openings with junipers and pinyons |
Elevation | (2300–)2900–3800 m ((7500–)9500–12500 ft) | 1700–2700 m (5600–8900 ft) |
Distribution |
CA; CO; ID; MT; NM; NV; UT; WY
|
UT |
Discussion | Of conservation concern. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
|
Source | FNA vol. 20, p. 203. | FNA vol. 20, p. 201. |
Parent taxa | ||
Sibling taxa | ||
Synonyms | T. sericea var. leptotes | |
Name authority | (A. Gray) Osterhout: Muhlenbergia 4: 69. (1908) | M. E. Jones: Contr. W. Bot. 13: 15. (1910) |
Web links |