Townsendia grandiflora |
Townsendia spathulata |
|
---|---|---|
largeflower Townsend daisy |
sword Townsend daisy |
|
Habit | Biennials or perennials, (2–)3–15(–30) cm. | Perennials, 1–2 cm (usually ± pulvinate). |
Stems | ± erect; internodes (0.1–)2–25(–50) mm, strigose. |
± erect; internodes 0.1–1 mm, ± villous. |
Leaves | basal and cauline, blades spatulate to oblanceolate or linear, 20–40(–90+) × 1–5(–10) mm, not fleshy (margins strigoso-ciliate), faces usually glabrous, sometimes sparsely strigillose (midribs scabrous). |
basal and cauline, ± spatulate, 7–10(–20) × 1.5–2(–4) mm little, it at all, fleshy, faces ± villous or sericeous. |
Involucres | hemispheric, (8–)10–14+ mm diam. |
± urceolate, 6–12(–16) mm diam. |
Ray florets | 20–40; corollas usually white adaxially, laminae 7–15(–20+) mm, glabrous abaxially. |
12–30+; corollas white to pinkish adaxially, laminae 3–12 mm, abaxially usually glandular-puberulent, sometimes glabrous. |
Disc florets | (60–)80–120+; corollas 4–6 mm. |
16–30+; corollas 4–5+ mm. |
Phyllaries | 30–40+ in 4–5+ series, the longer lance-ovate to lanceolate, 8–10(–12+) mm (l/w = 3–5), apices acute to attenuate (most hard, apiculate), abaxial faces sparsely strigillose or glabrous. |
16–24+ in 3–4 series, the longer lance-ovate to lanceolate, 6–8(–9) mm (l/w = 4–7), apices usually acute, sometimes attenuate, abaxial faces ± villous to strigillose. |
Heads | at tips of stems (usually surpassed by leaves). |
± sessile. |
Cypselae | 3.5–4+ mm, faces hairy, hair tips forked or glochidiform; pappi persistent; on ray cypselae each a corona 0.1–0.5 mm or 10–20 subulate scales 1–2.5 mm; on disc cypselae 15–30 subulate to setiform scales (4–)5–6 mm. |
2.5–4 mm, faces hairy, hair tips glochidiform or forked; pappi readily falling, of 14–30 subulate to setiform scales 4.5–6+ mm (± connate basally). |
2n | = 18. |
|
Townsendia grandiflora |
Townsendia spathulata |
|
Phenology | Flowering Jun–Aug(–Sep). | Flowering May–Jun. |
Habitat | Grassy slopes, gypseous shales | Open ridges |
Elevation | 1300–2400 m (4300–7900 ft) | 1600–2300 m (5200–7500 ft) |
Distribution |
CO; NE; NM; SD; WY
|
MT; WY
|
Source | FNA vol. 20, p. 197. | FNA vol. 20, p. 196. |
Parent taxa | ||
Sibling taxa | ||
Name authority | Nuttall: Trans. Amer. Philos. Soc., n. s. 7: 306. (1840) | Nuttall: Trans. Amer. Philos. Soc., n. s. 7: 305. (1840) |
Web links |