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- lobed or unlobed, margins entire or toothed, teeth if present acute or spinose, never bristle-tipped. Staminate flowers: calyx 2-6-lobed; anthers usually27 KB (606 words) - 08:45, 30 July 2020
- serrate, serrulate, crenate, crenulate, dentate, or denticulate, sometimes spinose or spinulose; venation pinnate (sometimes obscurely, appearing 1-veined)16 KB (532 words) - 18:17, 29 July 2020
- or narrowly linear, succulent or not, apex blunt to usually apiculate or spinose. Inflorescences terminal, open to congested or umbellate cymes or sometimes19 KB (1,194 words) - 10:09, 30 July 2020
- pectinate, sometimes spiny) and apices seldom notably scarious (apices often spinose or ± expanded into distinct, often fimbriate-fringed, pectinate, and/or15 KB (836 words) - 20:05, 29 July 2020
- sepals hooded or awned, margins white, scarious > 7 7 Sepal awns very stout, spinose, 1.5-4 mm; flowers densely woolly Cardionema 7 Sepals awnless or awns threadlike29 KB (1,113 words) - 10:14, 30 July 2020
- sometimes thickened and succulent, apex obtuse or acute to acuminate or spinose. Inflorescences terminal or sometimes axillary, frequently much-branched21 KB (1,113 words) - 10:32, 30 July 2020
- lanceolate to ovate or orbiculate, with basal sinus [peltate], margins entire to spinose-dentate. Inflorescences axillary or extra-axillary, flowers solitary. Flowers8 KB (248 words) - 08:31, 30 July 2020
- leaflet blades lanceolate to orbiculate, margins entire, toothed, spinose, or spinose-lobed; venation pinnate or leaflets 3-6-veined from base. Inflorescences16 KB (698 words) - 08:36, 30 July 2020
- differentiated. Calyptra mitrate. Spores rather large, 25–45 µm, papillose, spinose, reticulate, or pitted. Worldwide, mainly in the temperate zones Species6 KB (403 words) - 06:59, 30 July 2020
- shoulders, margins distal to the middle entire, serrulate, serrate, or spinose, apex acuminate; costate or ecostate; laminal cells lax and transparent12 KB (582 words) - 07:14, 30 July 2020
- flexuous or rigid, herbaceous to ± fleshy, apex obtuse to sharply acute or spinose, glabrous, sometimes glaucous. Inflorescences 3–50+-flowered, congested10 KB (805 words) - 10:12, 30 July 2020
- ovate or elliptic, basal lobes divergent to overlapping, margins entire to spinose-dentate, apex of lobe acute or acuminate to widely rounded; primary venation8 KB (500 words) - 08:37, 30 July 2020
- lanceolate, ovate, triangular, trullate, or rhombic, flattened, not jointed, not spinose, base truncate, cordate, hastate, or cuneate, margins entire, dentate, sinuate19 KB (716 words) - 09:29, 30 July 2020
- recurved, spinose-serrate distally, entire or distantly serrulate in acumen; apex abruptly narrowed, acumen subulate; costa surface with coarse, spinose teeth7 KB (478 words) - 07:44, 30 July 2020
- stems prostrate or spreading. > 5 5 Leaf blade margins sharply dentate to spinose-dentate, teeth 3–9. > 6 6 Leaves not crowded (shorter than internodes);14 KB (504 words) - 18:27, 29 July 2020
- cup unlobed, without visible sutures or valves; scales not noticeably spinose; nut not completely enclosed by cup at maturity (except in Quercus lyrata)13 KB (591 words) - 08:36, 30 July 2020
- vermiculata 1 Herbs, glabrous or papillose to hispid; leaves and bracts with spinose (or at least mucronulate) apex; perianth segments completely glabrous, or12 KB (822 words) - 09:40, 30 July 2020
- apex 2-lobed; blade prominently 1-veined, needlelike, not succulent, apex spinose. Inflorescences axillary, 1–3-flowered clusters; bracts paired, resembling8 KB (521 words) - 10:52, 30 July 2020
- widely spaced, round to ovate; margins erect, subentire, serrulate, or spinose-dentate; apex obtuse, acuminate, or apiculate; costa single, double, short5 KB (228 words) - 07:46, 30 July 2020
- style 1; stigma 1. Fruits capsules, tardily and irregularly dehiscent, spinose. Seeds 1 per fruit. United States, Mexico, West Indies, Central America9 KB (541 words) - 18:14, 29 July 2020