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tall Townsend daisy, tall townsendia

Habit Biennials or perennials, 6–15(–30+) cm (sometimes rhizomatous).
Stems

± erect;

internodes 6–8(–25) mm, ± strigose.

Leaves

basal and cauline, blades spatulate to oblanceolate, 15–60(–120+) × 2–6(–10) mm (margins strigoso-ciliate), faces usually glabrous, sometimes sparsely strigillose.

Involucres

hemispheric or broader, (8–)12–25+ mm diam.

Ray florets

15–55+;

corollas usually blue adaxially, laminae 12–20 mm, glabrous abaxially.

Disc florets

(60–)100–150+;

corollas (3.5–)4–5+ mm.

Phyllaries

(30–)60–80+ in (4–)5–6+ series, the longer ± lanceolate, (7–)12–13+ mm (l/w = 3–5), apices acute to attenuate (most hard, apiculate), abaxial faces sparsely strigillose or glabrous.

Heads

at tips of ± leafy stems.

Cypselae

3–4+ mm, faces ± hairy, hair tips forked or glochidiform;

pappi persistent;

on ray cypselae each a corona 0.1–0.5 mm;

on disc cypselae each of 8–12+ lanceolate scales 0.5–1 mm plus 1–2+ subulate to setiform scales 1–4 mm.

Townsendia eximia

Phenology Flowering (May–)Jul–Aug(–Oct).
Habitat Gravelly banks, canyon walls, with junipers, pinyons, and yellow pines
Elevation (1900–)2100–2500(–3300) m ((6200–)6900–8200(–10800) ft)
Distribution
from FNA
CO; NM
[WildflowerSearch map]
[BONAP county map]
Source FNA vol. 20, p. 197.
Parent taxa Asteraceae > tribe Astereae > Townsendia
Sibling taxa
T. annua, T. aprica, T. condensata, 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. spathulata, T. strigosa, T. texensis
Name authority A. Gray: Mem. Amer. Acad. Arts, n. s. 4: 70. (1849)
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