Search results
- ringed at base by a nectary, distally 2-branched with stigmatic papillae borne on adaxial face of each branch in 2 separate or contiguous lines or in 1275 KB (5,940 words) - 15:30, 15 December 2020
- major veins; lodicules (0) 2-3, inconspicuous, usually without veins, bases swelling at anthesis; stamens usually 3, sometimes 1 (2) or 6+, filaments capillary35 KB (1,876 words) - 02:36, 30 July 2020
- Carex (section Key E. Spikes 2+ per culm, at least some flowers pistillate; stigmas (2–)3(–4); achenes usually ± trigonous in cross section; body of perigynium glabrous or papillose, papillae then mostly not longer than wide; bracts sheathless or sheath less than 4 mm, rarely longer, then sheath shorter than diameter of stem)Triquetrae, Carex sect. Vesicariae, Carex sect. Vulpinae Linnaeus Sp. Pl. 2: 972. 1753. , Gen. Pl. ed. 5, 420. 1754. Peter W. Ball, A. A. Reznicek Common80 KB (3,349 words) - 15:29, 15 December 2020
- Brassicaceae (section Key to Genera of Group 2)appendaged, margins entire or emarginate to 2-fid, rarely pinnatifid [fimbriate or filiform]; stamens (2 or 4) 6 [8–24], in 2 whorls, usually tetradynamous (lateral107 KB (3,718 words) - 12:07, 30 July 2020
- below the glumes. Spikelets 0.7-50 mm, laterally compressed, sometimes weakly so, sometimes viviparous, usually with 2-22 florets, sometimes with 1, sterile45 KB (1,179 words) - 03:07, 30 July 2020
- usually distinct; anthers basifixed; pistils 1, 2–3 (–4) -carpellate, fused, locule 1; style undivided or branches 2–3 (–4); stigma sometimes papillate. Fruits24 KB (775 words) - 01:21, 30 July 2020
- chartaceous or scarious or margins and/or apices notably scarious, sometimes in 1–2 series, distinct, subequal, and herbaceous with margins and/or apices barely79 KB (1,886 words) - 20:55, 29 July 2020
- paniculiform arrays. Involucres turbinate to hemispheric, 5–35 mm diam. Phyllaries 30–125 (–150) in 2–5 series, 1-nerved or 3-nerved (nerves golden-resinous;97 KB (2,063 words) - 21:58, 29 July 2020
- glands and a few scattered hairs; tepals connate only basally or in proximal 1/2, monomorphic or dimorphic; stamens usually exserted, sometimes included; filaments80 KB (1,352 words) - 10:29, 30 July 2020
- Willkommia, Zoysia Dumort. Mary E. Barkworth Treatment appears in FNA Volume 25. Treatment on page 14. Plants annual or perennial. Culms 1-500 cm, not woody34 KB (1,217 words) - 04:33, 30 July 2020
- usually persistent (readily falling), usually in 2–8+ series, distinct, and unequal, sometimes in 1–2 series, distinct, and subequal to equal, usually17 KB (728 words) - 22:41, 29 July 2020
- or absent, blade apex entire, notched, or 2 (-4) -fid, sometimes dentate or laciniate; stamens 1-10, in 1 or 2 whorls, arising from base of ovary, nectariferous29 KB (1,113 words) - 10:14, 30 July 2020
- spreading-hairy (C. exserta), pollen-sacs 2, unequal; staminode 0; ovary 2-locular, placentation axile; stigma capitate, entire, or 2-lobed. Capsules: dehiscence loculicidal79 KB (2,746 words) - 18:50, 29 July 2020
- perianth and androecium epigynous, 8–25 mm diam.; hypanthium ± obconic, constricted at disc except for opening, 2–6 mm wide; sepals 5, spreading, triangular;26 KB (2,400 words) - 15:31, 15 December 2020
- strigillose; pappi persistent, outer setiform scales (0.25–0.5 mm; rarely present) plus 2 series of 25–45 longer, barbellate bristles, mid apically attenuate18 KB (1,000 words) - 21:32, 29 July 2020
- or ligulate; stamens (1 or) 2–4 or 5, adnate to corolla or free, didynamous or equal, staminodes 0 or 1 (–3); pistil 1, 2-carpellate (1 in Hippuris), ovary26 KB (1,000 words) - 19:24, 29 July 2020
- persistent, usually in 3–5+ series, distinct, and unequal, sometimes in 1–2 series, distinct or connate, and subequal to equal, margins (seldom prickly)30 KB (805 words) - 20:06, 29 July 2020
- June to fall, usually partially or totally cleistogamous. Spikelets 0.8-5.2 mm, not subtended by bristles, dorsally compressed, surfaces unequally convex26 KB (1,343 words) - 04:00, 30 July 2020
- Triflorae, Crataegus (sect. Coccineae) ser. Virides Loudon Arbor. Frutic. Brit. 2: 816. 1838. James B. Phipps Treatment appears in FNA Volume 9. Treatment on28 KB (995 words) - 14:38, 30 July 2020
- sessile. Glumes usually 2, equal or unequal, shorter or longer than the adjacent florets, sometimes exceeding the distal florets; florets 2 (-4), usually dorsally17 KB (1,292 words) - 03:56, 30 July 2020
- rarely between ovary and perianth or ovary and pedicel; perianth of 6 tepals in 2 whorls, all petaloid or sepals sometimes greener and more foliaceous in texture;41 KB (2,210 words) - 05:19, 30 July 2020
- with internal protrusion dividing carpel into 2 cells, dehiscence loculicidal, rarely indehiscent. Seeds 2–30, often reniform, glabrous or hairy. Nearly20 KB (532 words) - 11:23, 30 July 2020
- viridis, Draba weberi, Draba yukonensis, Draba zionensis Linnaeus Sp. Pl. 2: 642. 1753. Ihsan A. Al-Shehbaz, Michael D. Windham, Reidar Elven Etymology:85 KB (2,094 words) - 12:08, 30 July 2020
- or pyramidal) protuberances to coalescent as vertical ribs; ribs 2–30 [–40+], if ribs 2, stems winged, if ribs 3 or more, stems ± angled; short-shoots (areoles)40 KB (1,967 words) - 15:27, 15 December 2020
- sepal 1, spurred, 8-24 mm; lateral sepals 2, ± ovate to elliptic, 8-18 mm; lower sepals 2, similar to lateral sepals; upper petals 2, spurred, enclosed in9 KB (574 words) - 08:34, 30 July 2020
- corolla rotate, cupulate, campanulate, salverform, or funnelform; stamens (2–) 3–5, with 4 mostly connate in pairs, appearing as only (1–) 3 stamens; anthers19 KB (877 words) - 11:15, 30 July 2020
- Stenotaphrum, Urochloa R. Br. Mary E. Barkworth Treatment appears in FNA Volume 25. Treatment on page 353. Plants annual or perennial; habit various. Culms 3-80021 KB (1,188 words) - 03:56, 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 decumbent73 KB (2,294 words) - 12:15, 30 July 2020
- if present acute or spinose, never bristle-tipped. Staminate flowers: calyx 2-6-lobed; anthers usually somewhat apiculate, occasionally retuse. Pistillate27 KB (606 words) - 08:45, 30 July 2020
- entire, crenate, or toothed. Inflorescences terminal or axillary, 2-50-flowered cymes to 25 cm or solitary flowers; bracts present or absent, small or large15 KB (560 words) - 08:33, 30 July 2020
- abaxial lobes 3, adaxial 2; stamens 4, adnate proximal to middle of corolla, didynamous, filaments glabrous or hairy, staminode 0; ovary 2-locular, placentation49 KB (1,607 words) - 18:59, 29 July 2020
- 8–20 (–26) mm diam.; epicalyx bractlets (4 or) 5 (–10); hypanthium patelliform to cupulate, rarely turbinate, 0.5–2.5 (–5) × (1.5–) 2–7 (–10) mm; sepals (431 KB (1,939 words) - 13:53, 30 July 2020
- Mentioned on page 3, 9, 12, 18, 458, 459, 461, 462, 466. Annuals or perennials, 2–200 cm (colonial or cespitose, usually ± strongly heterophyllous, usually eglandular62 KB (1,546 words) - 15:28, 15 December 2020
- linear, rhombic, orbiculate, or ovate (and intermediate shapes), often 1 (–2+) -palmately or pinnately lobed, ultimate margins entire or toothed, faces21 KB (800 words) - 22:59, 29 July 2020
- triplets usually with 1 sessile and 2 pedicellate spikelets, terminal spikelet units on the branches often with 2 pedicellate spikelets even if the others31 KB (2,561 words) - 04:21, 30 July 2020
- cuneate, mostly 5–15 mm, usually lobed or toothed distally, heads disciform, involucres hemispheric or broader (2–3+ mm diam.), phyllaries in 2–4 series, pistillate23 KB (1,089 words) - 20:43, 29 July 2020
- campanulate, cylindric, hemispheric, obconic, or turbinate, (4–19+ ×) 2–18 mm. Phyllaries 8–60 in 2–7 series (often in vertical ranks), 1-nerved (midnerves obscure23 KB (1,156 words) - 22:11, 29 July 2020
- 1977[1978]. The Biology and Chemistry of the Compositae. 2 vols. London, New York, and San Francisco. Vol. 2, pp. 621–671. Turner, B. L. and M. C. Johnston. 195730 KB (1,803 words) - 22:30, 29 July 2020
- Cirsium (section Group 2: Large-headed Cirsium species of Pacific Coast, Intermountain Region, southwestern Deserts, and Rocky Mountains)epaleate, covered with tawny to white bristles or setiform scales. Florets 25–200+; corollas white to pink, red, yellow or purple, ± bilateral, tubes long60 KB (2,205 words) - 13:43, 10 February 2021
- racemelike. Spikelets 2-12 mm, usually laterally compressed, infrequently terete to subterete, usually lanceolate, sometimes ovate; florets (1) 2-6 (13), usually87 KB (2,178 words) - 03:17, 30 July 2020
- or curled, sometimes borne between 2 minute teeth; paleas shorter than or equal to the lemmas, 2-veined; anthers (1-2) 3, purple, orange, yellow, or olivaceous42 KB (1,621 words) - 04:38, 30 July 2020
- Acetosa, Rumex subg. Acetosella, Rumex subg. Platypodium, Rumex subg. Rumex "/2" is not declared as a valid unit of measurement for this property.window.p41 KB (1,085 words) - 10:05, 30 July 2020
- ovary 1, 2–7 [–10] -carpellate, 1–7 [–10] -locular; placentation usually parietal, sometimes axile on intruded, fused placentae; ovules 1–25 per ovary;14 KB (933 words) - 11:54, 30 July 2020
- unilateralis, Carex vexans, Carex wootonii, Carex xerantica Kunth Enum. Pl. 2: 394. 1837. Joy Mastrogiuseppe, Paul E. Rothrock, A. C. Dibble, A. A. Reznicek57 KB (937 words) - 01:54, 30 July 2020
- Lelong Treatment appears in FNA Volume 25. Treatment on page 450. Plants annual or perennial; their habit variable. Culms 2-300 cm, herbaceous, sometimes hard26 KB (1,480 words) - 04:05, 30 July 2020
- Brickellia venosa, Brickellia veronicifolia Elliott Sketch Bot. S. Carolina 2: 290. 1823. Randall W. Scott Etymology: For John Brickell, 1748–1809, Irish-born17 KB (617 words) - 22:47, 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
- singly. Calyculi 0 or of 1–15+ bractlets in 1 (–2+) series. Phyllaries persistent or falling, usually in 1–2 series, usually distinct, equal to subequal,23 KB (1,021 words) - 21:10, 29 July 2020
- hemispheric or turbinate-cylindric, (2.5–) 3–22 (–25) mm diam. Phyllaries persistent or tardily falling, 18–40 in (2–) 3–7 series, not notably nerved, ovate24 KB (826 words) - 22:52, 29 July 2020
- lobes 3, adaxial 2; stamens 4, didynamous, filaments glabrous or hairy; staminode 0; ovary 2-locular, placentation parietal; stigma 2-lobed. Fruits capsules28 KB (1,133 words) - 19:01, 29 July 2020