present; compound thorns on trunk abundant or absent; twigs ± thorny, thorns 10–60 (–100) mm, growth determinate (indeterminate in sect. Crataegus); glabrous
26 KB (2,400 words) - 15:31, 15 December 2020
bractlets (4 or) 5 (–10); hypanthium patelliform to cupulate, rarely turbinate, 0.5–2.5 (–5) × (1.5–) 2–7 (–10) mm; sepals (4 or) 5 (–10), spreading at anthesis
31 KB (1,939 words) - 13:53, 30 July 2020
alluding to violet flower at apex of fruit Treatment appears in FNA Volume 10. Herbs, annual or perennial, sometimes suffrutescent, caulescent, often with
32 KB (1,609 words) - 21:02, 7 June 2022
multiple-seeded); pyrenes 1–10, connate or not. Seeds 1–10, distinct or connate along radial faces of stony endocarp into 2s or 3s, sometimes connate into
41 KB (2,034 words) - 13:11, 30 July 2020
deltate; style-branches stigmatic in 2 lines, apices usually truncate-penicillate. Cypselae cylindric, usually 5–10-ribbed (ribs usually prominent), glabrous
40 KB (1,171 words) - 21:16, 29 July 2020
bulbiferous, with flowers borne singly, in pairs, or in umbellike clusters of 2–40+ on peduncles or the lateral branches borne by the peduncle. Flowers protandrous
24 KB (1,110 words) - 06:12, 30 July 2020
descending dysploid series with chromosome numbers ranging from n = 18 to n = 10. Very few instances of polyploidy are known among New World Cirsium. Cirsium
60 KB (2,205 words) - 13:43, 10 February 2021
falling, of 2 (–3) usually lanceolate, aristate, or erose scales (at the 2 principal angles, 1–5 mm) plus 0–8 usually shorter scales (0.2–2 mm). x = 17
32 KB (1,118 words) - 23:14, 29 July 2020
species, membranous. Flowers erect (pendent in A. triquetrum); tepals 6, in 2 similar whorls, ± distinct, petallike, usually becoming becoming dry and persisting;
43 KB (1,553 words) - 05:48, 30 July 2020
epaleate genera) are native in the New World. O. Hoffmann (1890–1894) listed 10 subtribes for Heliantheae in a restricted sense (only paleate genera). T.
30 KB (1,803 words) - 22:30, 29 July 2020
cells short to very long, hexagonal to rhomboidal, sometimes vermicular, 2–10: 1, sometimes occurring in rows oblique to costa, walls thin to thick, sometimes
20 KB (757 words) - 07:35, 30 July 2020
Madrono 32:1-10 Kerguelen, M. and F. Plonka. 1989. Les Festuca de la flore de France (Corse comprise). Bull. Soc. Bot. Centre-Ouest, Numero Special 10:1-368 Kerguelen
52 KB (3,291 words) - 03:08, 30 July 2020
panicles, sometimes on the terminal panicles. Caryopses variously shaped, x = 10. Conn., N.J., N.Y., Md., Va., Wash., W.Va., Mich., Wis., Del., D.C, Ark.,
33 KB (1,388 words) - 03:56, 30 July 2020
orbiculate, 1-26 mm; nectary present, usually covered by scale; stamens (5-) 10-many; filaments filiform; staminodes absent between stamens and pistils; pistils
15 KB (560 words) - 08:33, 30 July 2020
to Jepson (Fl. Calif. 436, 1914).” Atriplex sibirica Linnaeus, Sp. Pl. ed. 2, 2: 1493. 1763 This was supposedly collected in northeastern United States,
45 KB (1,022 words) - 09:34, 30 July 2020
often sharply distinct from the blades of the cauline leaves. Culms 5-150 cm, herbaceous, hollow, usually erect or ascending, rarely sprawling, in the
26 KB (1,343 words) - 04:00, 30 July 2020
glabrous or pubescent, rarely hirsute or hispid, trichomes simple or branched, 2–14-rayed, sometimes dendritic, not stellate. Stems erect, ascending, or decumbent
73 KB (2,294 words) - 12:15, 30 July 2020
distally at junction of ovary and free portion of hypanthium; stamens (2–) 5 (–9) 10; anthers usually dehiscent longitudinally, rarely by broad terminal openings
27 KB (1,591 words) - 13:14, 30 July 2020
Lagophylla, Layia, Madia, Osmadenia, Raillardella Bentham & Hooker f. Gen. Pl. 2: 198. 1873. Theodore M. Barkley†, Luc Brouillet, John L. Strother Treatment
15 KB (799 words) - 23:36, 29 July 2020
or ± compressed, rarely beaked, bodies usually smooth, sometimes rugose or 10-nerved or 20-nerved (glabrous or puberulent to villous; often with apical
15 KB (836 words) - 20:05, 29 July 2020