spiny-ciliate, apices long, spreading to erect, spines straight, 2–5 mm; apices of inner flattened or spine-tipped, serrate to scabrid, sometimes pectinately
9 KB (686 words) - 20:00, 29 July 2020
blade filiform to linear, 0.4–1.5 cm, scarcely fleshy, apex apiculate to spine-tipped; axillary leaves 2–4+ per cluster. Cymes simple to 3+-compound or flowers
8 KB (757 words) - 10:20, 30 July 2020
blade ± linear, 1–4.2 cm, at least moderately fleshy, apex apiculate to spine-tipped; axillary leaves absent or 1–2 per cluster. Cymes simple to 6+-compound
7 KB (704 words) - 10:21, 30 July 2020
ascending long-acuminate, spines straight, stout, 5–15 mm; apices of inner straight or twisted, long, entire, flat or spine-tipped. Corollas dark reddish
9 KB (695 words) - 19:57, 29 July 2020
spaced, spreading, coarsely spinose-dentate or cleft into 2–5 spine-tipped divisions, main spines 3–5 mm, faces densely gray-white-tomentose; basal usually
8 KB (655 words) - 20:45, 29 July 2020
blade 5–10 mm, apex acute to acuminate, navicular, with small mucro, not spine-tipped. Flowers: sepals 1-veined or 3-veined, lateral-veins less distinct, ovate
4 KB (749 words) - 10:20, 30 July 2020
broad and obtuse ridges, or thick to thin wings, or rows of curved gland-tipped teeth. Seed 1; seed-coat membranaceous; embryo straight or curved; cotyledons
20 KB (1,275 words) - 09:16, 30 July 2020
similar to basal leaf-blades only 1–2 (–2.5) × 0.5–1.5 cm, mucronate to awn-tipped, awn mostly 2–4 mm; distal cauline leaf-blade persistent, 1 per node, sessile
10 KB (950 words) - 10:56, 30 July 2020
prostrate, usually branched, occasionally simple or nearly so; without nodal spines (except in A. spinosus). Leaves alternate, petiolate; blade rhombic-ovate
32 KB (1,366 words) - 09:41, 30 July 2020
lance-oblong or elliptic, margins plane or weakly undulate, marginal teeth tipped with spines to 1-1.6 × 0.1-0.2 mm. Inflorescences 6-9 cm. Phenology: Flowering
3 KB (474 words) - 08:21, 30 July 2020
to broadly lanceolate, margins undulate or crispate, marginal teeth tipped with spines to 1.2-3 × 0.2-0.3 mm. Inflorescences 2-5 cm. Phenology: Flowering
3 KB (441 words) - 08:26, 30 July 2020
presence","seed quantity","spine architecture or pubescence or relief","spine architecture or shape","spine prominence","spine relief or texture","stem relief"
10 KB (793 words) - 09:15, 30 July 2020
middle or beyond, not imbricate, rounded or keeled abaxially, wings and spines absent; stamens 5 or fewer; ovary superior; style 1 or absent; stigmas 2
19 KB (716 words) - 09:29, 30 July 2020
quantity","spine architecture","spine architecture or pubescence or relief","spine architecture or shape","spine coloration or pubescence or relief","spine pubescence"
4 KB (728 words) - 09:26, 30 July 2020
rigidly spreading, undivided or with 1–2 pairs of coarse teeth or lobes, main spines 5–15 mm, both faces gray to white-tomentose, sometimes ± glabrate or adaxial
10 KB (732 words) - 19:56, 29 July 2020
appendages expanded, ± scarious, pectinately fringed, spines straight, 2–6 mm; apices of inner flat or spine-tipped, sometimes expanded and fimbriate. Corollas ochroleucous
11 KB (895 words) - 19:58, 29 July 2020
dentate tips, spineless or spine-tipped. Corollas white or pale lavender to purple, 25–35 mm, tubes 10–20 mm, throats 7–10 mm, lobes 5–8 mm; style tips 2.5–4
10 KB (867 words) - 19:59, 29 July 2020
into 2–3 lanceolate to triangular, often entire-margined, spine-tipped divisions, main spines (yellowish), 2–12+ mm, abaxial densely gray-tomentose, adaxial
11 KB (933 words) - 20:39, 29 July 2020
cauline deeply pinnatifid with few-toothed spine-tipped lobes. Heads few–many in dense clusters at branch tips. Peduncles 0–1 cm. Involucres ovoid to campanulate
10 KB (826 words) - 20:24, 29 July 2020
"seed shape","seed some measurement","spine count or density","spine course","spine pubescence","spine shape","spine texture","stem atypical length","stem
7 KB (1,008 words) - 09:24, 30 July 2020