Pyrrocoma carthamoides
Columbian goldenweed, large-flower goldenweed, white-vein wintergreen, woolly-heads
1–4, erect or ascending to decumbent, reddish, leafy, villous.
basal (in rosettes) petiolate, blades lanceolate to oblanceolate or spatulate, 50–200 × 5–40 mm, margins usually spinulose-serrate, sometimes entire, ciliate, apices acute, faces puberulent;
cauline sessile, blades linear-lanceolate, 40–100 × 5–15 mm, reduced distally, faces glabrous or villous-hispid, eglandular.
1–5 cm.
turbinate to campanulate, 10–20 × 15–35 mm.
0 or 1–30;
corollas yellow, 2–7 mm (not surpassing involucres).
25–50;
corollas 9–14 mm.
in 3–5 series (± loose), linear-lanceolate to oblong, 10–20 mm, unequal, bases tapering, margins spinulose-serrate, ciliate, apices occasionally recurved, acute, mucronate, faces puberulent.
usually borne singly, terminal, sometimes 2–3 in racemiform arrays, subtended by leaflike bracts.
subcylindric, 3–5.5 mm, 4-angled, faces striate or smooth, glabrous;
pappi tawny, 6–9 mm.
Pyrrocoma carthamoides
Varieties 3 (3 in the flora).
Pyrrocoma carthamoides is recognized by its erect, leafy, and villous stems, hispidulous leaves and phyllaries, and large, usually single heads with somewhat loose phyllaries. The ray florets are usually reduced but sometimes are lacking altogether.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
1. Phyllary apices broad, truncate, abruptly muc-ronate, mucro usually recurved | var. subsquarrosa |
1. Phyllary apices acute to acuminate, mucro erect | → 2 |
2. Involucres hemispheric, 20–35 mm wide; phyllaries ± overlapping, broadly oblong to obovate | var. carthamoides |
2. Involucres campanulate or turbinate, 15–20 mm wide; phyllaries loose, scarcely overlap-ping, lanceolate | var. cusickii |
BC
OR
WA
CalFlora
Flora NW
PNW Herbaria
WildflowerSearch
iNaturalist
USDA Plants Database
