4-angled, or 5-angled, glabrous or sparsely to densely piloso-sericeous, sericeous, strigillose, or strigose; pappi 0, or persistent, of 1–10+ subulate
10 KB (606 words) - 23:21, 29 July 2020
pinkish, or pallid cream to nearly white, simple, sometimes inconspicuously branched, densely glandular-puberulent; flowers numerous (rarely 10 or fewer in
12 KB (756 words) - 19:25, 29 July 2020
adventitiously and suckering). Stems erect or trailing, (branching from base); twigs (terete), puberulent and sparsely sessile or stipitate-glandular, becoming
7 KB (537 words) - 13:17, 30 July 2020
node; peduncles and pedicels spreading or ascending to erect. Flowers: calyx lobes: margins entire or erose, ± scarious or herbaceous, glandular-pubescent,
10 KB (581 words) - 19:05, 29 July 2020
glabrous or sparsely puberulent, eglandular or sparsely to densely short-stipitate-glandular, strongly pruinose; prickles moderate to dense, erect or curved
9 KB (659 words) - 14:16, 30 July 2020
acute or acuminate to spinescent, sometimes rounded or obtuse, abaxially dehiscent. Seeds usually 3–6 per mericarp, usually turbinate, puberulent or scabridulous
12 KB (726 words) - 11:23, 30 July 2020
glabrous, strigillose, villous, or hirtellous, rarely glandular-puberulent. Stems erect to spreading or prostrate and then often rooting at nodes, sometimes
30 KB (1,654 words) - 21:01, 7 June 2022
villosulous or glabrous and sometimes sparsely puberulent on veins, adaxial surface dark green, glabrous or sparsely puberulent; pinnately veined or faintly
6 KB (439 words) - 18:23, 29 July 2020
panicles, glabrate, puberulent, villous, or tomentose hairs golden, tan, or white, stipitate or sessile-glandular or absent; bracts absent or subtending inflorescence
16 KB (1,203 words) - 14:27, 30 July 2020
corollas white or pinkish to purplish. Disc-florets 12–40 (–90), bisexual, fertile; corollas pinkish to purplish or whitish (glabrous or sparsely hairy, sometimes
10 KB (644 words) - 00:02, 30 July 2020
terminal and/or axillary, racemes; bracts present, sometimes leaflike. Pedicels absent or present; bracteoles absent. Flowers bisexual; sepals 4 (or 5), basally
20 KB (967 words) - 19:23, 29 July 2020
annual or perennial, monoecious, procumbent and trailing or climbing; stems (annual, often sulcate or angled), hairy; roots tuberous or fibrous or a taproot;
15 KB (1,114 words) - 11:41, 30 July 2020
1-nerved, deltate to ovate, or elliptic to lanceolate, margins entire or toothed, faces glabrous or ± pilose, puberulent, or strigoso-hispid, sometimes
7 KB (446 words) - 22:45, 29 July 2020
absent or sparse to dense. Leaves: petiole (0.4–) 1–4 cm, finely and softly pubescent, sparsely to densely pubescent, or pilose, and glandular-puberulent
11 KB (594 words) - 13:11, 30 July 2020
anthers white to pale-pink or pale-yellow; stigmas (6 or) 7 or 8 (or 9). Schizocarps 4–8 mm diam.; mericarps (6 or) 7 or 8 (or 9), 2.5–4 mm, usually minutely
13 KB (796 words) - 11:34, 30 July 2020
North America Association Stems spreading or ascending to erect, forming dense mats, puberulent, glandular-hairy, or glabrous. Leaves imbricate, somewhat appressed
5 KB (495 words) - 13:15, 30 July 2020
strigillose, glandular puberulent, or, sometimes, villous. Stems branched mostly from base, 3–70 cm. Leaves primarily in basal rosette, cauline reduced or absent
11 KB (951 words) - 21:04, 7 June 2022
proximal to pockets, 8–10 × 10–15 mm, usually sparsely hirsute and stipitate-glandular on keels abaxially, puberulent at base adaxially; filaments 3–4 mm; style
6 KB (518 words) - 13:18, 30 July 2020
minutely puberulent in 2 lines, sparsely or densely spreading-hirsute, or rarely glabrate or glabrous; distally minutely puberulent in 2 lines, sparsely or densely
10 KB (749 words) - 09:11, 30 July 2020
Trees or shrubs, evergreen or deciduous. Bark nearly white, gray, brown, or black, smooth, scaly, flaky, or rarely furrowed. Leaf-blade lobed or unlobed
27 KB (606 words) - 08:45, 30 July 2020