lanceoloid or ovoid, terete to weakly 4-angled dehiscent nearly throughout their length; sessile. Seeds numerous, in (1 or) 2 rows per locule, prismatic and angled
6 KB (530 words) - 11:31, 9 May 2022
sometimes lost in heat-treated specimens); sporangia following veins for most of length, not covered by reflexed leaf margin (false indusium). Pityrogramma 5 Leaves
12 KB (634 words) - 21:23, 5 November 2020
3/4 their length, the hairs about 1.5 mm long Muhlenbergia curtifolia 29 Lemmas scabridulous or pubescent for no more than 1/2 their length, the hairs
38 KB (1,181 words) - 18:58, 11 May 2021
branching above the base; internodes hollow. Sheaths closed for their whole length or almost so; collars without tufts of hair on the sides; auricles sometimes
7 KB (664 words) - 17:25, 11 May 2021
acuminate or sometimes acute to rounded; costa usually double, 1/4–2/3 leaf length, sometimes single or nearly ecostate; alar cells sometimes differentiated;
7 KB (523 words) - 22:36, 5 November 2020
solitary spikelet; spikelets 1–150; 1st order rays unequal (rarely equal) in length, produced singly from the axils of inflorescence bracts; involucral bracts
39 KB (517 words) - 15:42, 16 November 2022
morefieldii); sepals ascending, connivent at least proximally and usually much of length, variously colored, lanceolate or oblong to broadly ovate, thick, usually
11 KB (363 words) - 22:46, 5 November 2020
elements present. Rhizophores borne on upperside of stems, throughout stem length or confined to base of stem. Leaves monomorphic, tightly appressed and spirally
15 KB (584 words) - 21:21, 5 November 2020
stamens: filaments 5 long and 5 short, alternating with one another, or equal length. x = (5–)7(–12). North America, Mexico, West Indies, Central America, South
21 KB (920 words) - 20:17, 5 November 2020
recurved, 1-year old very dark, usually slender, 1–5 cm. Leaves: petiole length (0–)10–40(–60)% blade, pubescent (young), sessile-glandular (young); blade
16 KB (866 words) - 23:53, 5 November 2020
from mature anthers that have dehisced and shed their pollen. Pollen sac length is the distance from the distal tip of the sac to its point of confluence
14 KB (1,771 words) - 19:59, 8 December 2021
Perigynium measurements are best taken from perigynia about 1/3 of the spike length. Perigynia become distinctly marrower near the top of the spikes and the
55 KB (863 words) - 21:41, 5 November 2020
compound starch grains, rarely with simple starch grains; embryos to 1/3 the length of the caryopses; epiblasts usually present; scutellar cleft usually present;
5 KB (466 words) - 17:22, 11 May 2021
[present]; stamens 2–6(–10)[–25], distinct or connate basally (connate 1/2 length in T. nigricans); pistillode present [absent]. Pistillate flowers: sepals
9 KB (549 words) - 20:13, 5 November 2020
herbaceous at maturity, 1/2 as long as to nearly equaling the upper lemmas in length, 3-9-veined; lower florets staminate or sterile; lower lemmas membranous
12 KB (662 words) - 12:46, 5 June 2023
species the leaf and sheath of submersed leaves are adnate for part of their length, and the leaf appears to have a sheathing base with an adaxial ligule at
7 KB (794 words) - 21:32, 5 November 2020
pedicels short. Spikelets ovoid to ellipsoid, glabrous. Lower glumes varying in length, 0-3-veined (rarely 7-veined); upper glumes and lower lemmas usually 3-5-veined
3 KB (263 words) - 18:56, 11 May 2021
or ± round pits (pits oriented with longer dimension at right angles to length of seed). x = 9. North America, Mexico, South America, Europe, Asia, Africa
5 KB (312 words) - 17:00, 29 May 2024
a limbidium; costa usually distinct, infrequently obscured, variable in length, absent or nearly so to short-excurrent, variable in structure (bryoides-type
26 KB (1,714 words) - 22:26, 5 November 2020
typically constricted neck; limb lobes erect or curved, equal to unequal in length and/or width, linear to oblong or deltate, often papillate at recurved or
19 KB (1,096 words) - 22:18, 5 November 2020