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smallhead Townsend daisy

Wyoming Townsend daisy

Habit Perennials, 1–3 cm (usually ± pulvinate). Perennials, 1–2+ cm (± pulvinate).
Stems

± erect;

internodes 0.1–1 mm, ± villous.

± erect;

internodes 0.1–1+ mm, ± strigose.

Leaves

basal and cauline, ± spatulate to oblanceolate, 3–8(–18) × 1–2.5 mm (not fleshy), faces ± villous.

basal and cauline, blades ± spatulate, 5–10(–15+) × 1.5–3+ mm, ± fleshy, faces sparsely strigose or glabrate.

Involucres

± campanulate, 4–8 mm diam.

± campanulate, 6–10 mm diam.

Ray florets

13–17;

corollas white adaxially, laminae 5–8 mm, glabrous abaxially.

8–21;

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

Disc florets

number unknown;

corollas 4 mm.

20–40+;

corollas 3–4 mm.

Phyllaries

ca. 26 in 3–4 series, the longer ± lanceolate, 5–8 mm (l/w = 3–5), apices acute, abaxial faces ± strigose to villous.

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

± sessile.

± sessile.

Cypselae

3–4 mm, faces glabrous or glabrate;

pappi readily falling, of 15–20 subulate to setiform scales 3–5 mm (± connate basally).

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

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

2n

= 27 (apomicts).

Townsendia microcephala

Townsendia minima

Phenology Flowering Jul. Flowering Apr–Jun.
Habitat Rocky slopes Rocky slopes, talus
Elevation 2600 m (8500 ft) 1800–3100 m (5900–10200 ft)
Distribution
from FNA
WY
[BONAP county map]
from FNA
UT
[WildflowerSearch map]
[BONAP county map]
Discussion

Of conservation concern.

The type of Townsendia microcephala may prove to be conspecific with that of T. spathulata.

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

Of conservation concern.

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

Source FNA vol. 20, p. 196. 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. leptotes, T. mensana, 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. alpigena var. minima
Name authority Dorn: Madroño 39: 189, fig. 1. (1992) Eastwood: Leafl. W. Bot. 1: 206. (1936)
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