long-caudate, unarmed or armed, glabrous or hairy, eglandular or sparsely to densely stipitate-glandular, sometimes sessile-glandular; petals (0–) 5 (or 6), white
35 KB (2,155 words) - 15:31, 15 December 2020
Chuang and Heckard provided the basis for most of the species delineation presented here. Chuang, T. I. and L. R. Heckard. 1986. Systematics and evolution
10 KB (460 words) - 18:57, 29 July 2020
usually glanddotted and hirsute, puberulent, pubescent, scabrous, or stipitate-glandular, sometimes glabrate, adaxial faces mostly puberulent to scabrous-hirsute
9 KB (571 words) - 22:44, 29 July 2020
glabrous or glandular-pubescent or puberulent. Flowers: calyx green, usually purple-flecked, 4–8 mm, glabrous or glandular-pubescent or puberulent, tube 1
13 KB (1,045 words) - 13:06, 30 July 2020
hemiparasitic. Stems erect, spreading, or decumbent, not fleshy, puberulent, hispid, or villous, sometimes glandular-hairy or glabrescent. Leaves cauline, alternate;
8 KB (447 words) - 18:56, 29 July 2020
subterete or laterally compressed, unawned. Glumes usually unequal, herbaceous, glabrous or pubescent, rarely tuberculate or glandular, apices not or only slightly
26 KB (1,480 words) - 04:05, 30 July 2020
pilose, puberulent, scabrous, tomentose, villous, or woolly, often stipitate-glandular as well. Heads radiate or discoid, borne singly or in cymiform or corymbiform
16 KB (834 words) - 23:57, 29 July 2020
annual or perennial; hemiparasitic, caudex knotted. Stems erect, not fleshy, glabrous, sparsely to densely puberulent, densely villous, or glandular-pubescent
8 KB (372 words) - 19:32, 29 July 2020
stipules often conspicuous, ± free or adnate to petiole or blade, linear, lanceolate, or ovate, margins entire, toothed, or lobed; petiole present, sometimes
22 KB (1,259 words) - 14:34, 30 July 2020
subshrubs or shrubs, annual or perennial, with taproot or thickened rootstock. Stems usually prostrate, sometimes erect, ascending, reclining, or decumbent
36 KB (819 words) - 18:21, 29 July 2020
short-haired-lanate to tomentose or puberulent (glandular). Capsules broadly ovoid, 2–4 cm, sparsely pubescent. Seeds reniform, sparsely pilose or hispid, hairs sometimes
7 KB (598 words) - 11:39, 30 July 2020
scapiform or few-bracteate peduncles, and obtuse, acute, or mucronate phyllaries. The heads vary greatly in size and commonly are sessile or subsessile
15 KB (811 words) - 22:27, 29 July 2020
ellipsoid, ovoid, or narrowly obovoid, sharply (3-angled or) 4-angled or narrowly (3-winged or) 4-winged, abruptly constricted or tapered to base; sessile
10 KB (976 words) - 21:05, 7 June 2022
venation, glabrous or, occasionally, sparsely puberulent; adaxial suture narrow, ± cartilaginous. Seeds 1 or 2 per follicle, usually tan or yellowish, sometimes
11 KB (671 words) - 13:52, 30 July 2020
than 25 pairs of pinnae, not glaucous or conspicuously scaly; rachis sparsely scaly to glabrescent abaxially, puberulent to glabrous adaxially; scales ovatelanceolate
13 KB (793 words) - 00:23, 30 July 2020
Seeds usually yellow or brown, rarely black or white, flattened or plump, winged or not, or narrowly margined, ovoid, oblong, globose, or ovate, usually uniseriate
107 KB (3,718 words) - 12:07, 30 July 2020
glabrous, sparsely short-hairy, or sparsely glandular-hairy, not viscid; bracts not fully appressed, scalelike, deltate, 2–4 mm, apex mucronate or acuminate
8 KB (671 words) - 13:14, 30 July 2020
glabrous or sparsely glandular-puberulent, puberulent, and/or pilose. Leaves puberulent, often pilose, or glabrous; proximal 20–60 mm, margins entire or 3-lobed
7 KB (459 words) - 18:57, 29 July 2020
sometimes axillary, simple or branched, sometimes condensed cymes, frequently flowers few or solitary, frequently glandular-pubescent and viscid; bracts paired
36 KB (1,364 words) - 10:24, 30 July 2020
158, 205, 207. Herbs, subshrubs, or shrubs [trees], annual or perennial, monoecious or dioecious; hairs stellate or scalelike; latex colorless to reddish
24 KB (874 words) - 18:18, 29 July 2020