perennials, subshrubs, or shrubs, (0.5–) 1–250 cm. Leaves mostly basal, or basal and cauline, or mostly cauline; opposite and/or alternate; usually sessile,
15 KB (799 words) - 23:36, 29 July 2020
usually lobed to dissected, sometimes dentate or entire (usually spiny). Heads mostly homogamous (usually discoid, sometimes disciform or radiant, then peripheral
15 KB (836 words) - 20:05, 29 July 2020
perennials, (5–) 20–150 cm. Leaves mostly basal or basal and cauline; alternate; petiolate or sessile; blades deltate to lanceolate overall, usually 1–2-pinnately
7 KB (510 words) - 23:45, 29 July 2020
cm (glabrous or hairy, often glanddotted). Stems erect to pendent. Leaves mostly cauline; often proximally opposite, distally alternate; petiolate or sessile;
8 KB (548 words) - 23:47, 29 July 2020
absent during winter, mostly linear to oblong to oblong deltate (deltate in B. lanceolatum), lobed to 1–2 (–3) -pinnate, mostly less than 2.5 cm wide when
5 KB (560 words) - 00:23, 30 July 2020
subshrubs, or shrubs [perennials], mostly 10–80 (–200) cm. Stems erect, branched distally or ± throughout. Leaves cauline; mostly opposite (distal sometimes alternate);
11 KB (696 words) - 15:28, 15 December 2020
erect, branched mostly from bases. Leaves mostly basal; opposite or alternate; petiolate (bases persisting as fibrils); blades (mostly pinnately nerved
13 KB (768 words) - 23:05, 29 July 2020
phyllaries). Involucres mostly hemispheric or campanulate to cylindric, (1–) 4–12 (–25+) mm diam. Phyllaries persistent, mostly (4–) 8–21 (–30+) in ± 2
22 KB (1,036 words) - 23:27, 29 July 2020
Annuals, perennials, subshrubs, or shrubs, (12–) 30–120 (–200) cm. Stems mostly erect, often much branched (sometimes virgate, often striate). Leaves cauline;
17 KB (617 words) - 22:47, 29 July 2020
individuals of A. pumilum). > 18 9 Blades deltate-ovate, with 2–5 pairs of pinnae; pinnae generally deltate-ovate to obdeltate, rarely lanceolate to narrowly
11 KB (330 words) - 00:25, 30 July 2020
often gland-dotted, sometimes resinous or stipitate-glandular. Leaves (mostly persistent) cauline (often crowded, axillary leaf fascicles sometimes present);
23 KB (1,156 words) - 22:11, 29 July 2020
usually branched (proximally, distally, or ± throughout). Leaves mostly cauline; mostly alternate (proximal sometimes opposite); petiolate or sessile; blades
13 KB (1,037 words) - 23:55, 29 July 2020
radiate, sometimes discoid or radiant, borne singly. Calyculi 0 or of 1–8 deltate to linear bractlets (bearing oil-glands). Involucres campanulate to obconic
11 KB (587 words) - 23:33, 29 July 2020
subshrubs, or shrubs [trees], mostly 20–220 cm. Stems usually erect, rarely scandent, sparsely to densely branched. Leaves cauline; mostly opposite (distal sometimes
11 KB (480 words) - 22:58, 29 July 2020
oblong or deltate, often papillate at recurved or hooded apex; stamens 6, exserted, attached atop or within perianth-tube; filaments mostly filiform; anthers
24 KB (1,110 words) - 06:12, 30 July 2020
flowering in A. pringlei), tan or light-brown, scalelike, sometimes keeled, deltate or ovate, (tips often marcescent), or hue as in leaves, leaflike, narrowly
41 KB (2,034 words) - 13:11, 30 July 2020
bracteate. Calyculi of 5–12, reduced, subulate to lanceolate or deltate bractlets in ± 1 series, mostly unequal, glabrous, tomentulose, or setose. Involucres cylindric
18 KB (964 words) - 20:06, 29 July 2020
densely hairy. Leaves usually mostly cauline; mostly alternate (proximal sometimes opposite); petiolate or sessile; blades mostly elliptic, lanceolate, linear
13 KB (702 words) - 15:32, 15 December 2020
Leaves mostly cauline; mostly whorled (3–7 per node), rarely opposite; petiolate; blades pinnately veined or ± 3-nerved from at or near bases, deltate-ovate
9 KB (571 words) - 22:44, 29 July 2020
478. Herbs, subshrubs, shrubs, or trees. Leaves usually cauline, sometimes mostly basal; alternate; petiolate or sessile; margins entire or denticulate to
9 KB (534 words) - 20:42, 29 July 2020