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ground townsendia, tuft Townsend daisy, tuft townsendia

Stems

± erect;

internodes 0.1–1 mm, ± strigose.

Leaves

basal and cauline, blades ± spatulate to oblanceolate, 15–30(–70) × 2–5(–9) mm, not fleshy, faces ± strigose.

Involucres

± campanulate, 12–20(–32) mm diam.

Ray florets

18–35;

corollas white adaxially, laminae 7–16 mm, glandular-puberulent abaxially.

Disc florets

40–100+;

corollas 3.5–5.5 mm.

Phyllaries

16–32+ in 3–4+ series, the longer ± lanceolate, (7–)9–13 mm (l/w = 3–5), apices acute, abaxial faces piloso-strigose to strigose.

Heads

on scapiform peduncles 30–60(–120) mm.

Cypselae

4–5.5 mm, faces hairy, hair tips forked or entire;

pappi persistent;

on ray cypselae 20–30+ subulate to setiform scales 3–6+ mm;

on disc cypselae 20–30 subulate to setiform scales 5–7+ mm.

Townsendia scapigera

Phenology Flowering May–Jul(–Aug).
Habitat Openings in sagebrush
Elevation 1400–3400 m (4600–11200 ft)
Distribution
from FNA
CA; ID; NV; OR; UT
[WildflowerSearch map]
[BONAP county map]
Discussion

Plants that key here and have peduncles 5–15+ mm (sporting smaller heads, fewer ray florets, and smaller cypselae than are characteristic of Townsendia scapigera) may belong to T. jonesii (which see). Plants included here in T. scapigera from Sweetwater Mountains, California, with relatively large heads and high numbers of florets were identified on their labels (e.g., DeDecker 3928, RSA) as T. parryi, a species not known to occur in California.

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

Source FNA vol. 20, p. 201.
Parent taxa 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. smithii, T. spathulata, T. strigosa, T. texensis
Name authority D. C. Eaton: in S. Watson, Botany (Fortieth Parallel), 145, plate 17, figs. 1–7. (1871)
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