corolla white or cream to purple, lilac, violet, brownish purple, or yellow with violet veins (often without violet veins in E. subarctica) and yellow spot
17 KB (854 words) - 19:26, 29 July 2020
faces usually glabrous or sparingly hispidulous-puberulent, rarely stipitate-glandular. Heads usually 1, sometimes 2–3 (erect or nodding). Involucres hemispheric
6 KB (575 words) - 23:58, 29 July 2020
strong-smelling), 0.5–1.5 m. Stems erect, nearly glabrous, crisped-puberulent (somewhat stipitate-glandular on young growth); spines at nodes absent; prickles on internodes
9 KB (577 words) - 12:55, 30 July 2020
entire, subentire, serrate, or dentate, apex obtuse to acute, glabrous, puberulent, or puberulent and glandular-pubescent, glaucous or not. Thyrses continuous
8 KB (633 words) - 19:05, 29 July 2020
tomentose, rarely sessile or stipitate-glandular, 2d or 3d year epidermis exfoliating, periderm shiny maroon or reddish, aging into light to dark gray bark; short-shoots
14 KB (1,106 words) - 14:27, 30 July 2020
ascending or erect, leafy, (8–) 15–35 (–48) cm, glabrous proximally, puberulent and stipitate-glandular distally. Leaves in basal rosette and cauline; basal
8 KB (501 words) - 12:59, 30 July 2020
least at the base), glabrous or (less commonly) sparsely pubescent or puberulent, often prominently veined, obtuse to acute to beaked. Lower glumes usually
12 KB (1,221 words) - 04:02, 30 July 2020
prickly, abaxial faces white-pannose, adaxial faces sparsely puberulent to arachnose, usually glandular as well. Heads 4–7 cm diam. (across the rays). Phyllaries:
6 KB (520 words) - 20:04, 29 July 2020
(–6) [–7], abaxially or adaxially connate or free, hirsute to pilose adaxially, styles terminal, stigmas minute; ovules 2 or 3 [or 4]. Fruits aggregated
13 KB (700 words) - 14:26, 30 July 2020
Herbs, prostrate to spreading or erect, annual, 0.5–4 dm, glabrous or glandular and short-hispid, greenish, grayish, or reddish. Stems: caudex absent;
8 KB (822 words) - 10:48, 30 July 2020
margins entire or toothed, faces hirsute and (distal leaves) glandular-puberulent. Heads radiate, borne singly or in corymbiform arrays or glomerules (peduncles
7 KB (719 words) - 23:43, 29 July 2020
glabrous, except puberulent on veins, margins sometimes puberulent or with setae; venation palmate. Inflorescences bisexual, terminal and subterminal, cymes;
9 KB (633 words) - 18:29, 29 July 2020
architecture","bark fragility","blade shape","bract height or length or size","flower architecture or arrangement or growth form","flower orientation","hair architecture"
9 KB (682 words) - 13:15, 30 July 2020
Inflorescences spikes, reddish-brown to purple or yellow, simple, sparsely to densely glandular-pubescent; flowers numerous, axis visible between flowers; bracts
10 KB (868 words) - 19:24, 29 July 2020
"sepal fusion","side architecture or function or pubescence","side architecture or pubescence or relief","side architecture or shape","side pubescence","side
3 KB (530 words) - 09:13, 30 July 2020
stipitate-glandular; infrastipular prickles usually paired, curved or hooked, flattened, stout, internodal prickles curved or hooked, sometimes erect and slender
9 KB (656 words) - 13:50, 30 July 2020
apex obtuse to acute. Pedicels 1–12 mm, glandular-puberulent. Flowers: calyx 2.5–4 mm, lobes glandular-puberulent, apex obtuse; petals white with pink tinge
5 KB (675 words) - 10:22, 30 July 2020
(–100) cm, puberulent proximally, glandular-pubescent distally. Leaves basal and cauline, sometimes basal absent or withering, ± leathery or not, glabrous
9 KB (711 words) - 19:09, 29 July 2020
North America Association Stems distally sparsely hairy or glabrescent. Leaves glabrous or sparsely puberulent, resinous. Involucres 11–15 mm. Phyllaries
3 KB (497 words) - 20:57, 29 July 2020
dark gray, puberulent and sparsely sessile-glandular, becoming glabrate. Leaves sweetly aromatic; petiole 1–4 mm, sparsely puberulent, glandular; blade rich
8 KB (614 words) - 13:17, 30 July 2020