with large air cavities between the cross veins. Upon drying, the collapse of these air cavities results in the cross veins becoming very prominent, a condition
80 KB (3,349 words) - 15:29, 15 December 2020
petiolelike constriction), venation usually parallel, sometimes with evident cross-veins, occasionally divergent. Inflorescences (synflorescences) usually compound
35 KB (1,876 words) - 02:36, 30 July 2020
lanceolate, venation parallel, cross venation not evident, without arm or fusoid cells, surfaces without microhairs, not papillate, cross-sections non-kranz. Inflorescences
19 KB (1,548 words) - 02:55, 30 July 2020
present; blades usually linear, sometimes broadly so, venation parallel; cross-sections non-kranz, mesophyll nonradiate, adaxial palisade layer absent,
17 KB (872 words) - 03:12, 30 July 2020
linear to narrowly lanceolate, venation parallel, cross venation not evident, without arm or fusoid cells, cross-sections non-kranz, epidermes without microhairs
9 KB (822 words) - 02:52, 30 July 2020
lanceolate, venation parallel, cross venation not evident, without arm or fusoid cells, epidermes without microhairs, not papillate, cross-sections non-kranz. Inflorescences
45 KB (1,179 words) - 03:07, 30 July 2020
or rarely annual, rhizomatous or cespitose. Culms round or flattened in cross-section. Cataphylls often present at culm base. Leaves: sheaths open; blade
6 KB (363 words) - 00:56, 30 July 2020
absent; blades linear to narrowly lanceolate, venation parallel, cross venation not evident, cross-sections non-kranz, without arm or fusoid cells; epidermes
18 KB (1,356 words) - 02:45, 30 July 2020
blades linear to narrowly lanceolate, venation parallel, cross venation sometimes evident; cross-sections non-kranz, without arm or fusoid cells; epidermes
12 KB (1,001 words) - 03:20, 30 July 2020
sometimes solitary, terete, 3–5-angled or more, or strongly compressed in cross-section, spongy with internal air cavities and incomplete transverse septa
13 KB (1,127 words) - 02:15, 30 July 2020
ligules absent; blades keeled abaxially, flat, V, or inversely W-shaped in cross-section. Inflorescences terminal, rarely pseudolateral, 1st order subumbellate
7 KB (420 words) - 01:32, 30 July 2020
and diffuse, smooth or toothed adaxially, rarely with abaxial lamellae, in cross-section with a prominent arc of large diameter guide cells and an abaxial
18 KB (1,106 words) - 06:45, 30 July 2020
base, sometimes ending in a hyaline, occasionally toothed apex, costa in cross section with or without stereid bands, leaf cells usually smooth, sometimes
14 KB (515 words) - 06:54, 30 July 2020
central nut often reduced and flattened, or if solitary, then often rounded in cross-section, not winged, adjacent nuts not separated by internal cupule valves
8 KB (435 words) - 08:38, 30 July 2020
to sub-, 3-, or 4-angled in cross section, without carunclelike structure. > 71 71 Seeds terete or bluntly subangled in cross section (weakly dorsiventrally
36 KB (819 words) - 18:21, 29 July 2020
at apex. Leaves monomorphic or somewhat dimorphic [dimorphic]. Petiole in cross-section with 2 crescent-shaped vascular-bundles at base. Blade pinnate to
7 KB (310 words) - 00:34, 30 July 2020
and becoming ladder-fibrillose, membranous; blades V-shaped or M-shaped in cross-section when young, glabrous, sometimes papillose. Inflorescences racemose
16 KB (761 words) - 02:00, 30 July 2020
rostrate; peristome usually double; exostome teeth 16, external surface cross striate basally, papillose distally, sometimes bordered, internal surface
15 KB (450 words) - 07:51, 30 July 2020
buds often covered with small to large, resinous glands; pith triangular in cross-section. Leaves 3-ranked, occasionally nearly 2-ranked. Staminate flowers:
5 KB (331 words) - 08:39, 30 July 2020
lacking spines; vascular-bundles 1–several, roundish or crescent-shaped in cross-section. Blades 1–6-pinnate, without laminar buds. Indument on petioles,
15 KB (634 words) - 00:29, 30 July 2020