Townsendia florifer |
Townsendia exscapa |
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showy Townsend-daisy, showy townsendia |
Easter daisy, stemless Townsend daisy |
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Habit | Perennials, 1–3 cm (± pulvinate). | |
Stems | ± erect; internodes 0.1–1 mm, ± hirsute to strigose or glabrate. |
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Leaves | basal and cauline, blades ± spatulate to narrowly oblanceolate or linear, 12–40(–75) × 2–6+ mm, not fleshy, faces ± strigillose. |
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Involucres | ± hemispheric, (10–)12–25+ mm diam. |
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Ray florets | 11–40; corollas white adaxially, laminae (9–)12–18+ mm, glabrous abaxially. |
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Disc florets | 100–150+; corollas 6.5–9(–12+) mm. |
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Phyllaries | 30–45(–60) in 4–6+ series, the longer narrowly lanceolate or linear to subulate, (10–)12–14(–17) mm (l/w = 6–9), apices obtuse to acute, abaxial faces sparsely strigillose or glabrate. |
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Heads | ± sessile (usually nestled among rosette leaves). |
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Cypselae | 4(–6+) mm, faces hairy, hair tips glochidiform; pappi persistent; on ray cypselae 20–30 setiform scales 6–8+ mm; on disc cypselae 20–30+ setiform scales 6.5–11+ mm. |
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2n | = 18. |
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Townsendia florifer |
Townsendia exscapa |
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Phenology | Flowering Mar–Jun(–Aug). | |
Habitat | Openings in pine forests, meadows, gravelly hills, sandy soils | |
Elevation | (1300–)1600–2300(–3300) m ((4300–)5200–7500(–10800) ft) | |
Distribution |
AZ; CO; ID; KS; MT; ND; NE; NM; NV; OK; SD; TX; UT; WY; AB; MB; SK; Mexico (Chihuahua)
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Source | FNA vol. 20, p. 200. | |
Parent taxa | Asteraceae > tribe Astereae > Townsendia | |
Sibling taxa | ||
Synonyms | Aster exscapus, T. sericea | |
Name authority | (Richardson) Porter: Mem. Torrey Bot. Club 5: 321. (1894) | |
Web links |