Townsendia rothrockii
Rothrock's Townsend daisy, Rothrock's townsendia
± erect;
internodes 0.1–1+ mm, glabrous or ± strigose.
basal and cauline, ± spatulate to oblanceolate, 10–35 × 2–7 mm, ± fleshy, faces sparsely strigose or glabrous.
± hemispheric, 12–28+ mm diam.
18–40;
corollas blue to purplish adaxially, laminae 8–16 mm, glabrous abaxially.
60–100+;
corollas 3.5–4.5+ mm.
40–60+ in (3–)4–5+ series, the longer obovate to oblanceolate, 7–9+ mm (l/w = 2.5–5), apices obtuse to acute, abaxial faces glabrous.
± sessile or on peduncles 5–25+ mm.
4 mm, faces nearly glabrous (discs) or sparsely hairy (ray, hairs mostly at bases), hair tips glochidiform;
pappi persistent;
on ray cypselae 12–20 lanceolate to subulate scales 0.5–1.5 mm;
on disc cypselae 15–30 subulate to setiform scales 3–6 mm.
= 36 (apomicts).
Townsendia rothrockii
Of conservation concern.
The types of Townsendia rothrockii and T. glabella may be conspecific.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
SW CO Wildflowers
WildflowerSearch
iNaturalist
USDA Plants Database
