Townsendia leptotes |
Townsendia glabella |
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common Townsend daisy, common townsendia, slender townsendia |
Gray's Townsend daisy |
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Habit | Perennials, 1–3 cm (± pulvinate). | Perennials, 1–5 cm (± pulvinate). |
Stems | ± erect; internodes 0.1–1 mm, strigose. |
± erect; internodes 0.1–1 mm, strigose. |
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, 20–60+ × 2–5(–11+) mm, little, if at all, fleshy (margins strigoso-ciliate), usually glabrous, sometimes sparsely strigillose. |
Involucres | ± campanulate, 8–12(–20+) mm diam. |
hemispheric or broader, 8–12(–24) 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. |
12–34+; corollas usually white, sometimes pink or blue adaxially, laminae 5–10(–14+) mm, glabrous abaxially. |
Disc florets | 40–80+; corollas 4–6+ mm. |
50–80+; corollas 3.5–5.5 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. |
20–28+ in 3–4+ series, the longer ± lanceolate, 5–9 mm (l/w = 3–5), apices acute, abaxial faces glabrous or sparsely strigillose. |
Heads | usually ± sessile, rarely on scapiform peduncles 5–15+ mm. |
usually on scapiform peduncles 10–20(–70) mm, rarely 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. |
2–4 mm, faces sparsely hairy (mostly at bases), hair tips glochidiform; pappi persistent; on ray cypselae ± 20 lanceolate to subulate scales 0.5–1.8 mm; on disc cypselae 15–35 subulate to setiform scales (4–)5–7 mm. |
2n | = 18. |
= 18. |
Townsendia leptotes |
Townsendia glabella |
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Phenology | Flowering Jun–Jul. | Flowering May–Aug. |
Habitat | Rocky ridges, sandy slopes | Shale slopes with pines |
Elevation | (2300–)2900–3800 m ((7500–)9500–12500 ft) | 2100–2600 m (6900–8500 ft) |
Distribution |
CA; CO; ID; MT; NM; NV; UT; WY
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CO
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Discussion | Of conservation concern. Distinctions between Townsendia glabella and T. rothrockii are subtle. Types of the two names are probably better considered to be conspecific. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Source | FNA vol. 20, p. 203. | FNA vol. 20, p. 203. |
Parent taxa | ||
Sibling taxa | ||
Synonyms | T. sericea var. leptotes | |
Name authority | (A. Gray) Osterhout: Muhlenbergia 4: 69. (1908) | A. Gray: Proc. Amer. Acad. Arts 16: 86. (1881) |
Web links |