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showy Townsend-daisy, showy townsendia

last chance Townsend daisy

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

± erect;

internodes 0.1–1 mm, ± strigose.

Leaves

basal and cauline, blades ± spatulate, 5–8(–16+) × 1.5–2.5+ mm, little, if at all, fleshy, faces ± strigose.

Involucres

± campanulate, 4–8+ mm diam.

Ray florets

13–21;

corollas yellow adaxially, laminae 4–6+ mm, glandular-puberulent abaxially.

Disc florets

25–60+;

corollas 4–5+ mm.

Phyllaries

24–40+ in 4+ series, the longer ± lanceolate, 4–7 mm (l/w = 2.5–5), sometimes glabrate, apices acute to attenuate, abaxial faces usually sparsely strigillose or glandular-puberulent.

Heads

± sessile.

Cypselae

2–2.5 mm, faces hairy, hair tips glochidiform;

pappi persistent;

on ray cypselae 10–12 lanceolate to subulate scales 0.5–1+ mm;

on disc cypselae 20+ subulate to setiform scales 4–5+ mm.

2n

= 18.

Townsendia florifer

Townsendia aprica

Phenology Flowering Apr–May.
Habitat Clay hills
Elevation 1500–2500 m (4900–8200 ft)
Distribution
from USDA
[WildflowerSearch map]
[BONAP county map]
from FNA
UT
[BONAP county map]
Discussion

Of conservation concern.

Townsendia aprica is questionably distinct from T. jonesii. Townsendia aprica is in the Center for Plant Conservation’s National Collection of Endangered Plants.

(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. scapigera, T. smithii, T. spathulata, T. strigosa, T. texensis
T. annua, 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. spathulata, T. strigosa, T. texensis
Synonyms T. jonesii var. lutea
Name authority S. L. Welsh & Reveal: Brittonia 20: 375, fig. 1. (1968)
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