petiole-like constriction), venation usually parallel, sometimes with evident cross veins, occasionally divergent. Inflorescences (synflorescences) usually compound
28 KB (1,872 words) - 17:21, 11 May 2021
areoles each with a single excurrent, usually free, vein produced at the point of union of the cross-veins, and elongate, exindusiate sori. x = 36. Species
2 KB (136 words) - 21:24, 5 November 2020
basifixed. Primary veins connected by 1–several secondary veins (cross veins), forming 1–several areoles between each pair of primary veins, areoles with 1–4
4 KB (232 words) - 21:24, 5 November 2020
costae and sometimes veins adaxially; blades glabrous adaxially. Sori oblong-arcuate, uniseriate between main lateral veins on cross-veins, often appearing
3 KB (262 words) - 21:24, 5 November 2020
subsessile; blade usually 3-veined (1-veined in R. cubensis), without strong cross veins, margins entire, subentire, serrate, serrulate, or crenulate, usually
10 KB (750 words) - 23:44, 2 December 2022
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
12 KB (379 words) - 21:41, 5 November 2020
pattern of veins described as ladder-fibrillose. In some wetland species, the sheaths are spongy with large air cavities between the cross veins. Upon drying
82 KB (3,643 words) - 21:20, 17 July 2023
plication induplicatee (V-shaped); segments lanceolate, basally connate; cross veins obscure [conspicuous]. Inflores cences interfoliar, downcurved [long and
4 KB (418 words) - 21:31, 5 November 2020
palmate; plication induplicate; segments lanceolate, basally connate; cross veins conspicuous [obscure]. Inflorescences interfoliar, emerging through split
4 KB (370 words) - 21:32, 5 November 2020
prominence Vein pubescence Vein quantity Vein reflectance Vein relief Vein reproduction Vein shape Vein size Vein some measurement Vein texture Vein width Veining
525 bytes (604 words) - 11:29, 9 May 2022
induplicate; segments lanceolate, basally connate, apices acute or 2-cleft; cross veins conspicuous. Inflorescences axillary within crown of leaves, paniculate
4 KB (443 words) - 21:30, 5 November 2020
appearing reduplicate (Ù -shaped); segments lanceolate, basally connate; cross veins obscure to conspicuous. Inflorescences axillary, within crown of leaves
4 KB (442 words) - 21:29, 5 November 2020
acuminate to widely rounded; primary venation mostly palmate, midrib with 1 vein. Flowers floating or emersed, opening diurnally or nocturnally; perianth
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entire; venation conspicuously weblike centrally with cross veins between major veins, principal veins 11-17; surfaces glabrous. Flowers floating, 7-15 cm
3 KB (271 words) - 22:45, 5 November 2020
Leaves petiolate, subsessile, or sessile; blade with 3 primary veins and prominent cross veins, margins entire, revolute, surfaces lepidote abaxially, glabrous
4 KB (514 words) - 11:33, 9 May 2022
glabrous adaxially. Sori oblong-arcuate, uniseriate between lateral veins on cross-veins; indusia lacking; sporangia glabrous. 2n = 144. Habitat: Hammocks
3 KB (265 words) - 21:24, 5 November 2020
more primary, arcuate longitudinal veins converging toward the apices and cross-veins at right angles to the primary veins), radially symmetric and diplostemonous
6 KB (666 words) - 11:33, 9 May 2022
wide distally. Leaves: sheaths tight, green, fronts hyaline, with some cross veins; ligules to 3.5 mm, usually wider than long; widest leaf blades 2–4mm
3 KB (290 words) - 21:41, 5 November 2020
longitudinally green-and-white-striped, green-and-white-mottled, with prominent cross veins on backs, fronts hyaline and transversely rugose; ligules 3–8 mm, as long
3 KB (337 words) - 21:41, 5 November 2020
A Text property defining a single value. Structure: cross-vein A subproperty of venation A Type of venation None. None.
435 bytes (20 words) - 11:30, 9 May 2022