Petiole usually not articulate to stem, scales usually persistent at base, in cross-section with 2–many roundish bundles, or bundles 2 and lunate. Blade simple
15 KB (567 words) - 00:33, 30 July 2020
erect to spreading. Seeds narrowly ovoid, longitudinally ribbed, finely cross-ribbed. x = 17. sw United States, nw Mexico Species ca. 45 (26 species in
13 KB (1,202 words) - 13:01, 30 July 2020
leaves with at least narrow hyaline or white-hyaline band; blades V-shaped in cross-section when young, glabrous. Inflorescences racemose or, rarely, 1–2 branched
15 KB (529 words) - 01:49, 30 July 2020
"blade prominence","callus development","caryopse architecture or shape","cross-section architecture","culm architecture","culm duration","culm texture"
3 KB (884 words) - 03:08, 30 July 2020
tubercles, not or weakly reflexed, never hooked; nut 1 per cup, round in cross-section, not winged. x = 12. North America, Mexico, West Indies, Central
13 KB (1,271 words) - 08:47, 30 July 2020
more erect than sterile ones. Petioles with 1 vascular-bundle X-shaped in cross-section or with 2 vascular-bundles back-to-back and C-shaped. Blades extremely
8 KB (637 words) - 00:22, 30 July 2020
sheaths fibrous; sheath fronts membranous, mouth ciliate; blades V-shaped in cross-section when young, adaxial surface without 2 marginal veins more prominent
16 KB (801 words) - 01:21, 30 July 2020
prominently veined and becoming ladder-fibrillose, glabrous; blades V-shaped in cross-section when young, smooth or papillose. Inflorescences racemose, with 1–10
15 KB (557 words) - 02:02, 30 July 2020
specialized; perfect exostomes yellowbrown or brownish, external surface cross-striolate or sometimes reticulate proximally, papillose distally, margins
21 KB (586 words) - 07:42, 30 July 2020
phyllaries with black or dark purple cross walls > 6 5 Hairs on phyllaries with clear or reddish to reddish purple cross walls > 7 6 Leaves hirsute (apices
97 KB (2,063 words) - 21:58, 29 July 2020
sometimes absent; pseudopetioles sometimes present; blades with parallel veins, cross venation not evident; abaxial blade epidermes with microhairs and transversely
9 KB (719 words) - 02:55, 30 July 2020
341. 1754. Norman K. B. Robson Common names: St. John’s wort St. Andrew’s cross millepertuis Etymology: Greek hyper, above, and eikon, image, alluding to
13 KB (922 words) - 11:15, 30 July 2020
"blade prominence","callus development","caryopse architecture or shape","cross-section architecture","culm duration","culm texture","embryo quantity","epiderme
9 KB (1,015 words) - 03:17, 30 July 2020
basal sheaths not fibrous; sheath fronts membranous; blades M-shaped in cross-section when young, adaxial side of blade with 2 lateral-veins more prominent
16 KB (695 words) - 02:09, 30 July 2020
sparsely septate-nodulose, blades V or W-shaped, flat, or, rarely, round in cross-section when young; widest leaves 0.9–16 mm, mostly more than 4 mm, smooth
14 KB (621 words) - 02:15, 30 July 2020
yellowbrown or brownish, external surface ± reticulate proximally, rarely entirely cross-striolate, papillose distally, border ± widened at transitional zone in outer
12 KB (455 words) - 07:46, 30 July 2020
persisting more than a year; sheath fronts membranous; blades V-shaped in cross-section when young, glabrous. Inflorescences racemose, with (1–) 2–10 (–15)
11 KB (598 words) - 01:52, 30 July 2020
or dimorphic or trimorphic. Upright and lateral shoots round or flat in cross-section; leaves on subterranean parts flat, appressed, nonphotosynthetic
11 KB (459 words) - 00:34, 30 July 2020
weakly lobed. Ceanothus thyrsiflorus 32 Branchlets round in cross section (rarely angled in cross section in C. oliganthus). > 34 34 Sepals and petals white
15 KB (437 words) - 18:13, 29 July 2020
Styles 3-fid, sometimes to 2/3 2-fid; achenes trigonous, or subcircular in cross section, or sometimes mostly biconvex, smooth to prominently variously sculptured
37 KB (456 words) - 02:15, 30 July 2020