Hymenoxys bigelovii
Bigelow's rubberweed
1–5, green throughout or purple-red-tinted distally to throughout, usually unbranched distally, ± hairy (often tomentose proximally).
blades usually simple, rarely lobed (lobes 3), glabrous or ± hairy, eglandular or sparsely gland-dotted (basal leaf bases ± long-villous-woolly);
mid leaves usually simple, rarely lobed (lobes 3, terminal lobes 1.5–3 mm wide).
(1.5–)6–20(–29) cm, ± hairy, densely tomentose distally near involucres.
hemispheric to broadly campanulate, 13–20 × 23–32 mm.
13–15;
corollas yellow, 13–26 × 5.4–9.5 mm.
100–250+;
corollas 5.7–7.4 mm.
in 2 series, unequal;
outer 13–19, basally connate only slightly to 1/5 their lengths, lanceolate to narrowly lanceolate to obovate to oblanceolate, 7–11 mm, apices acuminate to acute;
inner 13–18, narrowly lanceolate to oblanceolate, 8.5–12.6 mm, apices aristate.
1–5 per plant, usually borne singly, sometimes in paniculiform arrays.
narrowly obpyramidal, 4.2–4.7 mm;
pappi of 9–11(–15) obovate to oblanceolate, often aristate scales 4.7–7.3 mm.
= 30.
WildflowerSearch
iNaturalist
USDA Plants Database
