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common Townsend daisy, common townsendia, slender townsendia

Wyoming Townsend daisy

Habit Perennials, 1–3 cm (± pulvinate). Perennials, 1–2+ 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, 5–10(–15+) × 1.5–3+ mm, ± fleshy, faces sparsely strigose or glabrate.

Involucres

± campanulate, 8–12(–20+) mm diam.

± campanulate, 6–10 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.

8–21;

corollas white or pinkish adaxially, laminae 4–8 mm, abaxially usually glabrous, sometimes sparsely glandular-puberulent.

Disc florets

40–80+;

corollas 4–6+ mm.

20–40+;

corollas 3–4 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, 5–7 mm (l/w = 2.5–5), sometimes glabrate, apices obtuse to acute, abaxial faces usually ± strigillose.

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.

2–3.5 mm, faces hairy, hair tips entire or forked;

pappi persistent, 15–30 subulate to setiform scales 3–5 mm.

2n

= 18.

= 27 (apomicts).

Townsendia leptotes

Townsendia minima

Phenology Flowering Jun–Jul. Flowering Apr–Jun.
Habitat Rocky ridges, sandy slopes Rocky slopes, talus
Elevation (2300–)2900–3800 m ((7500–)9500–12500 ft) 1800–3100 m (5900–10200 ft)
Distribution
from FNA
CA; CO; ID; MT; NM; NV; UT; WY
[WildflowerSearch map]
[BONAP county map]
from FNA
UT
[WildflowerSearch map]
[BONAP county map]
Discussion

Of conservation concern.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 20, p. 203. FNA vol. 20, p. 202.
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. mensana, T. microcephala, T. minima, T. montana, T. parryi, T. rothrockii, T. scapigera, T. smithii, T. spathulata, T. strigosa, T. texensis
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. montana, T. parryi, T. rothrockii, T. scapigera, T. smithii, T. spathulata, T. strigosa, T. texensis
Synonyms T. sericea var. leptotes T. alpigena var. minima
Name authority (A. Gray) Osterhout: Muhlenbergia 4: 69. (1908) Eastwood: Leafl. W. Bot. 1: 206. (1936)
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