margins involute, apices round to mucronate, or aristate; upper palea rugose, shiny or lustrous; lodicules 2, cuneate, truncate; anthers 3. Caryopses ovoid to
18 KB (1,245 words) - 04:10, 30 July 2020
remnant persistent. Seeds brown or black, 1.5–3 × 1.9–4.5 mm, glossy or shiny; testa papillate (rarely furrowed). x = 11. w United States Species 15 (15
19 KB (1,100 words) - 09:23, 30 July 2020
horizontal lenticels absent; thorns on twigs recurved or straight, dark-brown, shiny young, usually ± stout, 1–3.5 cm. Leaves: petiole 0.7–1.5 (–2.2) cm, glabrous
11 KB (775 words) - 14:36, 30 July 2020
closed; hypanthium shallowly cupulate, shiny, sparsely pilose-strigose; sepals: margins villous, apex acute, surfaces shiny, glabrous; petals erect-incurved
9 KB (679 words) - 14:32, 30 July 2020
long as sepals. Seeds 10–15, ashy black, reniform, plump, 0.4–0.6 mm, not shiny, with low-elongate, prominent tubercules. Generated Map Legacy Map Introduced; Alta
9 KB (818 words) - 10:08, 30 July 2020
compressed, ± obovoid, curved, gibbous abaxially, faces glabrous, smooth, shiny, corolla scars ± lateral; pappi: pistillate 0, staminate 0 or of 1–5 bristles
9 KB (613 words) - 20:39, 29 July 2020
blackish or whitish tomentose or setose, sometimes glabrous, adaxial with fine (shiny) hairs. Florets 10–60; corollas yellow, 13–22 mm. Cypselae blackish or greenish
7 KB (576 words) - 20:07, 29 July 2020
mm, faces subequal or evidently unequal, apex not beaked, edges straight, shiny, minutely roughened; late-season achenes uncommon, 4.5–5 mm. 2n = 60. Phenology:
7 KB (817 words) - 10:08, 30 July 2020
5–12; stigmas 2–4; pedicel 2–5 mm. Capsules 3–5 mm. Seeds 4–15, 1.5 mm, shiny, smooth. Generated Map Legacy Map Calif., Oreg. Varieties 3 (3 in the flora)
7 KB (476 words) - 09:45, 30 July 2020
stigmas 2 or 3; pedicel 5–13 mm. Capsules 3–6 mm. Seeds (1–) 3–7, 1.5–2 mm, shiny, shallowly warted. Generated Map Legacy Map B.C., Idaho, Mont., Oreg., Wash
7 KB (448 words) - 09:45, 30 July 2020
metallic blue to black, 4–30-seeded, ellipsoid to ovoid, smooth. Seeds shiny brown, round abaxially, angled with 2 or 3 faces. x = 7. Temperate North
9 KB (627 words) - 05:39, 30 July 2020
40–100 dm. Stems 1–4+; bark gray to bronze; winter buds green to purple, shiny, ovoid to conic, 7–20 mm, glutinous, glabrous or hairy along scale margins
10 KB (914 words) - 14:30, 30 July 2020
straight to recurved, 2 years old dark-brown, redbrown, or blackish brown, shiny, slender to stout, 2–5 (–7) cm. Leaves: petiole 1–3 cm, glabrous or sparsely
14 KB (936 words) - 14:35, 30 July 2020
reddish-brown to black, spheric, or subreniform to obovoid, 2.4–4.7 mm, shiny or dull; testa cells convex or flat. x = 11. sw United States, Mexico Species
12 KB (866 words) - 09:21, 30 July 2020
growth green, glabrous, 1-year old shiny, brown, older gray; thorns on twigs straight or slightly recurved, 1-year old shiny, dark blackish brown, older deep
8 KB (792 words) - 13:44, 30 July 2020
acuminate, abaxial surfaces pale green, initially strigose, adaxial dark green, shiny, not glaucous, flat between lateral-veins, initially sparsely strigose; fall
9 KB (744 words) - 14:32, 30 July 2020
appressed-pubescent, 1-year old gray, sometimes ± shiny, 2-years old dull gray; thorns on twigs numerous, ± recurved, 2-years old shiny black, ± slender, 2.5–5 cm. Leaves:
8 KB (750 words) - 14:40, 30 July 2020
mucronate, abaxial surfaces silvery-tomentose, adaxial grayish green, slightly shiny, not glaucous, flat, rarely slightly bulging between lateral-veins, drying
9 KB (715 words) - 14:32, 30 July 2020
mucronulate, abaxial surfaces green, sparsely long-strigose, adaxial dark green, shiny, not glaucous, flat between lateral-veins, smooth to slightly rugose, glabrescent;
9 KB (706 words) - 14:32, 30 July 2020
old shiny, dark-brown to sometimes tan, 2-years old deep gray, older pale; thorns on twigs numerous, usually ± recurved, 2-years old blackish, shiny, moderately
9 KB (775 words) - 14:43, 30 July 2020