widely spreading to divergent or recurved, equal, 0.5–1.5 mm or 1–3 mm; awns uncinate or straight, unequal, alternating 0.5–1.5 mm and 0.2–0.5 mm. Flowers slightly
8 KB (846 words) - 10:55, 30 July 2020
3-ribbed, terminal spines 2, divergent, 2–3 (–4) mm, often 1 ± uncinate, prickles ± uncinate, mostly along 2 ribs and around apices. Phenology: Flowering
4 KB (494 words) - 15:28, 15 December 2020
ribbed, terminal spines 2, divergent, 3–4 mm, often 1 ± uncinate, prickles seldom notably uncinate, ± scattered. 2n = 22. Phenology: Flowering year round
4 KB (496 words) - 23:43, 29 July 2020
paleae 5, broadly lanceolate, 2.7–4.1 mm, surpassing pistillate; apices uncinate, terete, acuminate, cartilaginous, spinose. Staminate corollas actinomorphic
8 KB (674 words) - 20:40, 29 July 2020
narrowly lanceolate, 2–6 mm anterior tooth, others linear, 1–2 mm; awn uncinate, 0.4–0.8 (–1) mm. Flowers 1, included to slightly exserted; perianth yellow
8 KB (847 words) - 10:56, 30 July 2020
with mucro 0.3–0.5 mm; sterile terminal scale involute, 0.4–0.6 mm wide, uncinate; distal floral scales with cusp 0.6–1.9. Flowers: anthers 0.5–1.3 mm; styles
8 KB (611 words) - 01:39, 30 July 2020
North America Association Plants gregarious or tufted, brownish green, uncinate-curved at tips when dry, to ca. 10 mm but mostly shorter. Leaves dimorphic;
5 KB (531 words) - 07:15, 30 July 2020
Association Plants gregarious or tufted, dark-green to yellowish-brown, uncinate-curved at tips when dry, to 10 mm. Leaves dimorphic, the vegetative 3–4
5 KB (504 words) - 07:15, 30 July 2020
3 longer ones more erect than 3 shorter and less-prominent ones; awns uncinate, 0.5–1 mm. Flowers long-exserted; perianth rose to red, infrequently with
8 KB (831 words) - 10:55, 30 July 2020
corrugate, strigose; teeth erect to spreading, unequal, 1–2 mm; awns mostly uncinate, 0.5–2 mm, with longer anterior one straight, mostly 2 mm. Flowers exserted;
9 KB (902 words) - 10:55, 30 July 2020
unequal, 1–3 mm; awns straight or uncinate with longer anterior one straight or slightly curved, mostly 2 mm, others uncinate, 0.5–1.5 mm. Flowers exserted;
8 KB (845 words) - 10:55, 30 July 2020
very sparsely hairy, hairs appressed, uncinate, 0.1–0.2 mm. Stipules glabrous or sparsely hairy with appressed uncinate hairs; petiole glabrous or sparsely
4 KB (577 words) - 18:18, 29 July 2020
hairs uncinate or irregularly twisted, 0.2–0.5 mm. Stipules villous with uncinate or irregularly twisted hairs; petiole villous with uncinate or irregularly
4 KB (579 words) - 18:17, 29 July 2020
tomentose to floccose or glabrate with age, greenish to brownish; teeth 6; awns uncinate, 0.7–1.5 mm. Flowers 1 (–2), slightly exserted; perianth white to rose
8 KB (849 words) - 10:54, 30 July 2020
Involucres 1 per node, tubular, cylindric, 6-angled; teeth 6, awn-tipped, awns uncinate. Flowers 3 per involucre; perianth white to pink, campanulate when open
7 KB (632 words) - 10:57, 30 July 2020
lanceolate (sometimes navicular at bases) to subulate or acerose (tips sometimes uncinate) > 4 3 Wings on burs mostly around middles, 2–3 × 1–2 mm; flowering (May–)Aug–Nov
16 KB (728 words) - 23:11, 29 July 2020
5 or 3–6 mm; awns straight or uncinate, unequal, with longer anterior one straight, 2.5–5.5 mm, others spreading, uncinate, 0.3–0.5 mm. Flowers included
9 KB (902 words) - 10:55, 30 July 2020
spreading, unequal, 1–3 mm; awns straight or uncinate with longer anterior one straight, mostly 2 mm, others uncinate, 0.5–1 mm. Flowers exserted; perianth bicolored
9 KB (902 words) - 10:55, 30 July 2020
spreading, unequal, 1–2 mm; awns straight or uncinate with longer anterior one straight, mostly 1 mm, others uncinate, 0.5–1 mm. Flowers exserted; perianth bicolored
9 KB (879 words) - 10:55, 30 July 2020
unequal, 1–2 mm; awns straight or uncinate, unequal, with longer anterior one straight, mostly 1.5–2.5 mm, others uncinate, 0.3–0.6 mm. Flowers exserted;
9 KB (864 words) - 10:55, 30 July 2020