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sword Townsend daisy

Habit Perennials, 1–2 cm (usually ± pulvinate). Biennials (perhaps flowering first year, sometimes persisting), 3–12(–15+) cm.
Stems

± erect;

internodes 0.1–1 mm, ± villous.

decumbent to erect;

internodes 3–12(–15+) mm, piloso-strigose.

Leaves

basal and cauline, ± spatulate, 7–10(–20) × 1.5–2(–4) mm little, it at all, fleshy, faces ± villous or sericeous.

basal and cauline, blades spatulate to linear, 10–25(–50+) × 2–3(–8+) mm, not fleshy, faces ± strigose.

Involucres

± urceolate, 6–12(–16) mm diam.

± hemispheric or broader, 16–20(–30) mm diam.

Ray florets

12–30+;

corollas white to pinkish adaxially, laminae 3–12 mm, abaxially usually glandular-puberulent, sometimes glabrous.

13–34+;

corollas white or pinkish adaxially, laminae (8–)10–18+ mm, abaxially usually glandular-puberulent, rarely glabrous.

Disc florets

16–30+;

corollas 4–5+ mm.

(80–)100–150+;

corollas (4–)5.5–6+ mm.

Phyllaries

16–24+ in 3–4 series, the longer lance-ovate to lanceolate, 6–8(–9) mm (l/w = 4–7), apices usually acute, sometimes attenuate, abaxial faces ± villous to strigillose.

24–30+ in 3–4+ series, the longer ± lanceolate, (6–)9–11+ mm (l/w = 2.5–5), apices acute, abaxial faces strigose.

Heads

± sessile.

at tips of stems.

Cypselae

2.5–4 mm, faces hairy, hair tips glochidiform or forked;

pappi readily falling, of 14–30 subulate to setiform scales 4.5–6+ mm (± connate basally).

(3.5–)4–5+ mm, faces hairy, hair tips entire or forked;

pappi persistent;

on ray cypselae 20–30 subulate to setiform scales 2–6 mm;

on disc cypselae 20–30+ subulate to setiform scales (4–)5–7+ mm.

2n

= 18.

Townsendia spathulata

Townsendia florifera

Phenology Flowering May–Jun. Flowering Apr–Jun(–Aug).
Habitat Open ridges Gravelly flats with junipers and sagebrush
Elevation 1600–2300 m (5200–7500 ft) 400–2300 m (1300–7500 ft)
Distribution
from FNA
MT; WY
[WildflowerSearch map]
[BONAP county map]
from FNA
ID; MT; NV; OR; UT; WA; WY
Discussion

J. H. Beaman (1957) considered plants intermediate between Townsendia florifera and T. parryi to be hybrids. Such intermediates occur in Montana (e.g., Jones in 1905 from Gallatin Co. and Suksdorf 282 from Park Co.), outside the known distribution of T. florifera.

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

Source FNA vol. 20, p. 196. FNA vol. 20, p. 198.
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. microcephala, T. minima, T. montana, T. parryi, T. rothrockii, T. scapigera, T. smithii, T. strigosa, T. texensis
T. annua, T. aprica, T. condensata, T. eximia, T. exscapa, T. fendleri, 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 Erigeron florifer, T. florifera var. watsonii
Name authority Nuttall: Trans. Amer. Philos. Soc., n. s. 7: 305. (1840) (Hooker) A. Gray: Proc. Amer. Acad. Arts 16: 84. (1880)
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