usually not heterophyllous, not clonal; branching sympodial. Stems usually spinose, sometimes unarmed, spines simple and/or compound. Leaves usually persistent
5 KB (307 words) - 12:03, 30 July 2020
chartaceous, apex of outer tepals obtuse, apex of inner tepals acute, spinose-tipped, densely villose. Utricles indehiscent or splitting irregularly,
5 KB (349 words) - 09:43, 30 July 2020
mm; margins serrate, commonly spinose at the shoulders, with one shoulder more deeply incised and less regularly spinose or dentate than the other; apex
6 KB (539 words) - 07:15, 30 July 2020
filiferous, white, becoming brownish, gray, or green, apex long-acuminate, spinose, spine acicular, short, 3–7 mm. Inflorescences racemose, occasionally paniculate
10 KB (682 words) - 06:11, 30 July 2020
and appearing as prominent vein parallel to margins, entire to remotely spinose-ciliate, frequently lobed at base; prickles rigid, broad-based; leaves drying
14 KB (755 words) - 06:14, 30 July 2020
pairs recurving, others branching at 45° angles, raised abaxially, margins spinose-dentate to occasionally entire, with highly thickened cell-walls, spines
7 KB (695 words) - 08:47, 30 July 2020
strongly reflexed at maturity, base not distinctly swollen, narrowing into spinose apex. Flowers: bracteoles spreading or reflexed, distinct or connate near
6 KB (706 words) - 09:40, 30 July 2020
broader along costa, occasionally oblate to triangular, smooth or sometimes spinose and bulging-mammillose (strongly mammillose-papillose), nonpitted. Specialized
21 KB (1,496 words) - 06:56, 30 July 2020
margins sometimes thick, not revolute, sometimes wavy, sharply dentate to spinose-dentate, teeth 3–9, apex rounded, abaxial surface pale green, glabrous except
7 KB (497 words) - 18:19, 29 July 2020
otherwise glabrous; mericarps 8–11, 3 mm, laterally reticulate, apex blunt to spinose, spines 0.2–1 mm. Generated Map Legacy Map Ala., Ark., Fla., Ga., La., Miss
6 KB (489 words) - 11:32, 30 July 2020
elliptic to lanceolate or lance-linear, bases ± clasping, margins entire or spinose-toothed; all with apices rounded to acute, faces glabrous or glabrate, resin-gland-dotted
6 KB (415 words) - 20:04, 29 July 2020
outer ovate, inner lanceolate, all ± chartaceous, margins entire, tips ± spinose or cuspidate (abaxial faces of inner 4 usually resin-gland-dotted distally)
6 KB (443 words) - 20:05, 29 July 2020
oblanceolate, weakly navicular (± carinate), 3–4+ mm (including acuminate-spinose tips). Ray-florets 5–20, pistillate, fertile; corollas white, rarely tinged
6 KB (594 words) - 20:51, 29 July 2020
1.8–6.5 mm, herbaceous, margins silvery, often scarious, apex acute to spinose; petals absent or rudimentary; nectaries not apparent; stamens 3–5, arising
7 KB (489 words) - 10:29, 30 July 2020
incurved, ± involute, obtuse to rounded, apiculate, shortly scarious, not spinose. Staminate corollas ± zygomorphic, 0.9–1.3 mm, lobes 4, unequal (1–2 enlarged)
6 KB (634 words) - 20:41, 29 July 2020
entire, tips rounded to acute, usually apiculate to seta-tipped or attenuate-spinose, abaxial faces glabrous or sparsely strigillose to tomentose and usually
6 KB (491 words) - 20:05, 29 July 2020
inner ± lanceolate, all ± chartaceous, margins entire, tips apiculate to spinose, abaxial faces ± strigillose, ± resin-gland-dotted. Florets 13–20 (–24+);
6 KB (419 words) - 20:05, 29 July 2020
15-40 mm, base cuneate to rounded, margins strongly revolute, entire or spinose with up to 11 awns, apex acute to attenuate; surfaces abaxially densely
6 KB (546 words) - 08:43, 30 July 2020
6–8-branched. Abutilon parishii 10 Apices of mericarps spinose. Abutilon theophrasti 10 Apices of mericarps not spinose (obtuse, rounded, acute, acuminate, or apiculate)
12 KB (726 words) - 11:23, 30 July 2020
leaflets linear-elliptic, glabrous, generally longer than petiole, apex spinose, terminal 3–18 × 1–5 mm, laterals to 15 × 3 mm, shorter and narrower than
9 KB (711 words) - 18:26, 29 July 2020