Search results
- thorns, sometimes unarmed; bud-scales absent. Leaves deciduous, alternate, mostly borne on short-shoots and usually fascicled; blade not gland-dotted; pinnately7 KB (386 words) - 18:27, 29 July 2020
- cauline; opposite; petiolate (petioles usually winged) or sessile; blades deltate, lance-elliptic, lanceolate, lance-linear, linear, linear-oblong, ovate9 KB (570 words) - 23:36, 29 July 2020
- few scales at base, with single vascular-bundle. Blade linear to ovate-deltate, 1–4-pinnate proximally, leathery or rarely somewhat herbaceous, abaxially15 KB (692 words) - 00:28, 30 July 2020
- and sterile, sometimes neuter (sometimes with 4–5 staminodes); corollas mostly white, yellow, orange, blue, red, or purple (rarely with 2 teeth opposite10 KB (639 words) - 20:03, 29 July 2020
- subtended by persistent bracts. Bracts ovate, lanceolate, linear, subulate, deltate, or broadly triangular (in A. acanthochiton), or proximal bracts modified32 KB (1,366 words) - 09:41, 30 July 2020
- Leaves basal, basal and cauline, or cauline; petiolate or sessile; blades mostly elliptic, lanceolate, oblanceolate, oblong, or spatulate, margins entire26 KB (1,108 words) - 20:14, 29 July 2020
- papposa, sometimes on outer in A. rothrockii). x = 9. Mostly Northern Hemisphere (North America), Mostly Northern Hemisphere (Eurasia), some in South America14 KB (1,396 words) - 20:45, 29 July 2020
- erect, branched distally or ± throughout. Leaves mostly basal, basal and cauline, or mostly cauline; mostly opposite (distal rarely alternate); blades usually11 KB (661 words) - 23:26, 29 July 2020
- to petiole, lanceolate, margins entire; petiole present; blade shallowly deltate to widely ovate or widely depressed ovate, 1–6 cm, thin to thick, sometimes14 KB (994 words) - 14:08, 30 July 2020
- cylindric throats, lobes 5, ± deltate (anther appendages deltate, widest at bases, glandular; style-branch appendages deltate). Cypselae ± obcompressed, 3–4-angled7 KB (592 words) - 23:55, 29 July 2020
- in the flora). In the key and descriptions that follow, for species with mostly prostrate stems, the side of the stem toward the ground is called the lower36 KB (819 words) - 18:21, 29 July 2020
- cauline (gradually or abruptly reduced distally); alternate; petiolate (mostly basal) or sessile; blades pinnately nerved, elliptic, lanceolate, linear40 KB (1,171 words) - 21:16, 29 July 2020
- sometimes stipitate-glandular, rarely eglandular, often resinous. Leaves mostly cauline; alternate; sessile; blades 1-nerved, linear to oblanceolate or12 KB (695 words) - 20:55, 29 July 2020
- perennials, mostly 20–120 cm. Stems often decumbent (rooting at proximal nodes), sparsely to densely branched. Leaves cauline; all or mostly opposite; petiolate;7 KB (446 words) - 22:45, 29 July 2020
- 257, 295, 296, 298, 300, 302, 304. Annuals, 5–250 cm. Stems erect. Leaves mostly cauline (at flowering) proximal opposite (often in rosettes), distal alternate;11 KB (700 words) - 23:44, 29 July 2020
- page 178. Mentioned on page 176. Perennials, mostly 30–120 cm. Stems erect. Leaves basal and/or cauline; mostly opposite; petiolate, subpetiolate, or sessile8 KB (531 words) - 23:21, 29 July 2020
- hemispheric or broader, 6–20 mm diam. Phyllaries persistent, mostly 8–16 in 2–3 series (mostly ovate to lanceolate, subequal to unequal, bases pallid, with9 KB (705 words) - 23:11, 29 July 2020
- 256, 277, 280, 291. Annuals, 10–120 cm. Stems ± erect to prostrate. Leaves mostly cauline (at flowering); proximal opposite (often in winter–spring rosettes)9 KB (671 words) - 23:40, 29 July 2020
- Stems ± erect. Leaves mostly cauline; proximal opposite (forming winter–spring rosettes, sometimes present at flowering), mostly alternate; sessile; blades8 KB (747 words) - 23:42, 29 July 2020
- cupulate, campanulate, salverform, or funnelform; stamens (2–) 3–5, with 4 mostly connate in pairs, appearing as only (1–) 3 stamens; anthers connate or distinct19 KB (877 words) - 11:15, 30 July 2020