solitary in leaf-axils, or in umbels or panicles of umbels and axillary or terminal. Flowers 4-merous or 5-merous, sessile or pedicellate; hypanthium hemispheric
12 KB (633 words) - 21:04, 7 June 2022
linear or filiform, margins crenate or entire, faces usually glabrous (oil-glands scattered and/or at margins). Heads discoid, borne singly or in loose
8 KB (535 words) - 23:32, 29 July 2020
tomentose or glabrescent, not spiny. Stems erect or ascending, simple or branched. Leaves basal or cauline (sometimes cauline only), sessile or petiolate;
9 KB (521 words) - 20:00, 29 July 2020
lanceolate or linear, margins entire, serrate, or spinulose-serrate, faces glabrous or short-pubescent. Heads radiate or discoid, usually in tight or loose
9 KB (638 words) - 23:35, 29 July 2020
"sepal fusion","side architecture or function or pubescence","side architecture or pubescence or relief","side architecture or shape","side pubescence","side
6 KB (508 words) - 09:40, 30 July 2020
325. Perennials or subshrubs (usually in rock crevices, stems often brittle). Involucres cylindric, narrowly funnelform, or campanulate, 6–12 × 3–15 mm
6 KB (533 words) - 23:47, 29 July 2020
sagittate or cordate to truncate and margins entire or crenate (B. subg. Artorhiza), or blades mostly elliptic, ovate, or lanceolate to lanceovate or oblong
13 KB (768 words) - 23:05, 29 July 2020
bilaterally symmetric, campanulate, not winged, lobes narrowly lanceolate or elliptic to triangular-ovate; petals 5, corolla white or purplish or bluish with darker
10 KB (641 words) - 19:20, 29 July 2020
shrubs, or trees, (rhizomatous or not). Stems erect (and/or creeping, prostrate in R. groenlandicum, R. lapponicum, R. tomentosum); twigs hairy or glabrous
21 KB (889 words) - 13:16, 30 July 2020
in dense clusters or corymbiform arrays. (Peduncles naked or leafy-bracteate, spiny-winged or not winged.) Involucres cylindric to spheric. Phyllaries many
10 KB (613 words) - 20:17, 29 July 2020
architecture or pubescence or relief","spine architecture or shape","spine coloration or pubescence or relief","spine pubescence","spine pubescence or relief"
11 KB (859 words) - 09:22, 30 July 2020
bracteoles present or absent, sepal-like. Flowers bisexual; sepals 5, distinct or proximally connate, calyx ± bilaterally symmetric, campanulate, lobes (sepals
12 KB (470 words) - 19:19, 29 July 2020
glabrous or hirtellous; bracts present; bracteoles present. Pedicels absent or relatively short. Flowers 2–6 mm diam.; hypanthium cylindric to campanulate, inner
11 KB (544 words) - 14:24, 30 July 2020
paniculiform, or corymbiform arrays, sometimes borne singly. Involucres turbinate-cylindric, turbinate, turbinate-obconic, or campanulate, 10–25 mm diam
12 KB (637 words) - 21:48, 29 July 2020
paniculiform, thyrsiform, or cymiform arrays, rarely borne singly (sessile or short-pedunculate). Involucres cylindric to turbinate or campanulate, (5–20 ×) 3–12
11 KB (801 words) - 20:56, 29 July 2020
ovoid, or cylindric, sometimes flat-topped, tuberculate, 1–20 (–50) × 1–15 cm after sexual maturity; tubercles conic to hemispheric or cylindric, never
25 KB (1,748 words) - 09:25, 30 July 2020
faces glabrous or glabrate. Heads radiate, in corymbiform arrays [borne singly]. Calyculi 0. Involucres narrowly cylindric [campanulate]. Phyllaries persistent
6 KB (461 words) - 23:50, 29 July 2020
Flowers: sepals 4 or 5 (5d sometimes vestigial), calyx ± bilaterally or ± radially symmetric, narrowly campanulate to campanulate, lobes linear-subulate
22 KB (1,669 words) - 19:24, 29 July 2020
Involucres campanulate to cylindro-campanulate or urceolate to cylindric, 8–40 mm diam. Phyllaries 7–25 in 2 (–3) series, weakly coherent proximally in buds
28 KB (2,401 words) - 20:10, 29 July 2020
cauline or all cauline; alternate; petiolate or sessile; blades spatulate to oblanceolate or linear, margins usually entire (sometimes toothed or lobed on
9 KB (648 words) - 22:40, 29 July 2020