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sword Townsend daisy

smooth Townsend daisy

Habit Perennials, 1–2 cm (usually ± pulvinate). Biennials or perennials, 10–35(–75+) cm (usually rhizomatous and/or stoloniferous).
Stems

± erect;

internodes 0.1–1 mm, ± villous.

erect;

internodes (5–)10–15(–35) mm, strigillose.

Leaves

basal and cauline, ± spatulate, 7–10(–20) × 1.5–2(–4) mm little, it at all, fleshy, faces ± villous or sericeous.

basal and cauline, blades spatulate to oblanceolate or lance-linear, 15–45(–75+) × 2–10(–20) mm, not fleshy (margins strigoso-ciliolate), glabrous or glabrate.

Involucres

± urceolate, 6–12(–16) mm diam.

± hemispheric or broader, 12–18+ mm diam.

Ray florets

12–30+;

corollas white to pinkish adaxially, laminae 3–12 mm, abaxially usually glandular-puberulent, sometimes glabrous.

20–34+;

corollas usually white or pinkish adaxially (abaxially blue to lavender), laminae 10–15(–25+) mm, glabrous abaxially.

Disc florets

16–30+;

corollas 4–5+ mm.

80–150+;

corollas 4 mm.

Phyllaries

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.

30–45 in 4–6+ series, the longer obovate to lance-ovate or lanceolate, 10–12(–14) mm (l/w = 3–5), apices obtuse to acute (some or all hard, ± apiculate), abaxial faces sparsely strigillose or glabrous.

Heads

± sessile.

at tips of stems (seldom surpassed by leaves).

Cypselae

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).

3–4(–5) mm, faces glabrous or ± stipitate-glandular, hair tips not forked or glochidiform;

pappi persistent, each a bidentate corona 0.1–0.4(–0.8) mm.

2n

= 18.

Townsendia spathulata

Townsendia formosa

Phenology Flowering May–Jun. Flowering Jul–Aug(–Sep).
Habitat Open ridges Meadows, yellow-pine forests
Elevation 1600–2300 m (5200–7500 ft) 2400–2600 m (7900–8500 ft)
Distribution
from FNA
MT; WY
[WildflowerSearch map]
[BONAP county map]
from FNA
AZ; NM
[BONAP county map]
Source FNA vol. 20, p. 196. FNA vol. 20, p. 197.
Parent taxa Asteraceae > tribe Astereae > Townsendia Asteraceae > tribe Astereae > Townsendia
Sibling taxa
T. annua, T. aprica, T. condensata, T. eximia, T. exscapa, T. fendleri, T. florifera, T. formosa, T. glabella, T. grandiflora, T. gypsophila, T. hookeri, T. incana, T. jonesii, T. leptotes, T. mensana, T. microcephala, T. minima, T. montana, T. parryi, T. rothrockii, T. scapigera, T. smithii, T. strigosa, T. texensis
T. annua, T. aprica, T. condensata, T. eximia, T. exscapa, T. fendleri, T. florifera, T. glabella, T. grandiflora, T. gypsophila, T. hookeri, T. incana, T. jonesii, T. leptotes, T. mensana, T. microcephala, T. minima, T. montana, T. parryi, T. rothrockii, T. scapigera, T. smithii, T. spathulata, T. strigosa, T. texensis
Name authority Nuttall: Trans. Amer. Philos. Soc., n. s. 7: 305. (1840) Greene: Leafl. Bot. Observ. Crit. 1: 213. (1906)
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