monoecious, procumbent and trailing or climbing; stems (annual, often sulcate or angled), hairy; roots tuberous or fibrous or a taproot; tendrils 2–7-branched or
11 KB (1,026 words) - 23:23, 5 November 2020
linear-triangular. Cypselae (brown to purplish) turbinate, terete to weakly angled, 6–14+-nerved, faces strigose to sericeous; pappi persistent, of 30–35 tawny
5 KB (440 words) - 21:03, 5 November 2020
shreds; nodal diaphragms 1.5–3.5 mm thick; branchlets slightly to distinctly angled, densely hirtellous and/or sparsely to densely arachnoid, to glabrate, growing
5 KB (368 words) - 19:11, 6 November 2020
regular to somewhat asymmetric, terete, sometimes with 4 or more indistinct angles or ridges; hypophysis not differentiated, tapering; stomata none; exothecium
6 KB (512 words) - 22:24, 5 November 2020
schizocarpic achenes, erect, not inflated, reniform to orbicular, rounded to angled, unwinged, not or slightly indurate, stellate-pilose-hairy or glabrous,
4 KB (362 words) - 23:20, 5 November 2020
gold to reddish gold, cylindric, ellipsoid, oblong, ovoid, or irregularly angled. x = 7, 8, 9. North America, Mexico, West Indies, Central America, South
6 KB (550 words) - 20:36, 5 November 2020
Cypselae (brown to black-brown) subterete or obscurely 3(ray)- or 4(disc)-angled (not winged); pappi 0, or persistent, coroniform (each a laciniate crown
4 KB (281 words) - 21:10, 5 November 2020
leaves. Sporangia reniform. Spores reticulate, sides at equator convex, angles acute. Gametophytes nonphotosynthetic, mycorrhizal, carrot-shaped, paraphyses
5 KB (383 words) - 21:23, 5 November 2020
Capsules reflexed, lanceoloid to ovoid, narrowly 4-winged or, sometimes, 4-angled, abruptly constricted or tapered to a slender, sterile stipe; sessile. 2n
5 KB (336 words) - 11:33, 9 May 2022
hooked at tip, 0.5-2.5 mm. Seeds pale brown to reddish or purplish brown, angled or laterally compressed, hemispheric, lenticular, or cylindric, smooth,
6 KB (401 words) - 22:50, 5 November 2020
papillate, distinct portions very short. Cypselae oblong to obpyramidal, ± 4-angled, apices with smooth or dentate rims, faces usually ± roughened (outer) or
5 KB (425 words) - 20:50, 5 November 2020
truncate-penicillate. Cypselae (stramineous to brown or purple) ± prismatic and 5-angled or -ribbed or ± obovoid to ± fusiform and 10–20-nerved, glabrous or puberulent
5 KB (430 words) - 21:00, 5 November 2020
leaves. Sporangia reniform. Spores reticulate, sides at equator convex, angles acute. Gametophytes nonphotosynthetic, mycorrhizal, subterranean, flat and
5 KB (338 words) - 21:22, 5 November 2020
valvate, ± peltate, thin and woody. Seeds (1–)2 per scale, irregularly 3-angled, wingless; cotyledons 4–9. x = 11. North America, Mexico, Central America
3 KB (279 words) - 21:23, 5 November 2020
North America Association Plants elliptic to globose, occasionally three-angled, 1–1.5 mm. Stem leaves awned, broadly channeled; laminal cells papillose
2 KB (180 words) - 22:29, 5 November 2020
Treatment appears in FNA Volume 2. Shrubs or trees evergreen. Branchlets angled or furrowed-cylindrical, variously oriented. Leaves in whorls of 3–5. Adult
3 KB (264 words) - 21:25, 5 November 2020
cylindric to globose, 6-angled, septal nectaries present; style 1; stigma margins entire or indistinctly 3-lobed. Fruits capsular, angled, papery, dehiscence
4 KB (379 words) - 22:16, 5 November 2020
usually angled, infrequently terete or sulcate, angles usually moderately to densely scabrous, infrequently smooth with dense papillae and weak-angled, with
5 KB (432 words) - 17:22, 11 May 2021
inconspicuous. Fruits capsules, 5-locular, in apical view 5-angled, 5-lobed, parted between angles, in lateral view emarginate at apex, margins curved, stipitate
7 KB (617 words) - 23:20, 5 November 2020
sigmoid, lanceoloid or ellipsoid-ovoid to cylindrical, or sometimes obtusely 4-angled, tapering to a sterile beak, valve margins with a row of tubercles or a
7 KB (575 words) - 11:31, 9 May 2022