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Indexes to all accepted names and synonyms:
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Annual, perennial herb, woody vine [shrub], occasionally aquatic. Leaf: generally basal and cauline, alternate or opposite, simple or compound; petioles at base generally flat, occasionally sheathing or stipule-like. Inflorescence: cyme, raceme, panicle, or flowers 1. Flower: generally bisexual, generally radial; sepals 3–6(20), free, early-deciduous or withering in fruit, generally green; petals 0–many, generally free; stamens generally 5–many, staminodes generally 0; pistils 1–many, ovary superior, chamber 1, style 0–1, generally ± persistent as beak, ovules 1–many. Fruit: achene, follicle, berry, ± utricle in Trautvetteria, in aggregate or not, 1–many-seeded.
± 60 genera, 1700 species: worldwide, especially northern temperate, tropical mountains; many ornamental (Adonis, Aquilegia, Clematis, Consolida, Delphinium, Helleborus, Nigella). some highly TOXIC (Aconitum, Actaea, Delphinium, Ranunculus). [Whittemore & Parfitt 1997 FNANM 3:85–271] Taxa of Isopyrum in TJM (1993) moved to Enemion; Kumlienia moved to Ranunculus. —Scientific Editors: Douglas H. Goldman, Bruce G. Baldwin.
Key to Ranunculaceae
Annual, perennial herb, occasionally from stolons or caudices, terrestrial or aquatic; roots generally fibrous. Stem: prostrate to erect. Leaf: basal, cauline, or both, alternate, generally reduced upward; petiole base flat, stipule-like or not; basal, proximal cauline petioles generally long; blades simple to dissected or compound, entire to toothed. Inflorescence: cyme, axillary or terminal, 1–few-flowered. Flower: sepals 3–5(6), generally early-deciduous, generally green to yellow or purple; petals 0–17[(150)], shiny, generally yellow, occasionally white or purple, nectaries near base, pocket-like or with flap-like scale; anthers yellow; pistils generally many. Fruit: achene, compressed or not, ± spheric, disk-like (width 3–15 × depth), or lenticular (width 1–2 × depth), beaked.Key to Ranunculus
± 300 species: worldwide except lowland tropics; some ornamental. (Latin: small frog, from wet habitats)
Unabridged etymology: (Latin: diminutive of Rana, frog, from wet habitats)
Perennial herb, erect or ascending, not rooting at nodes. Leaf: tip obtuse to acuminate; basal bases acute. Inflorescence: bracts lanceolate. Flower: receptacle glabrous; sepals 5, spreading or reflexed from base, 2–6 mm, 1–4 mm wide, early-deciduous; petals 4–6(8). Fruit: body 1.6–2.8 mm, 1.2–2 mm wide, lenticular, wall thick, smooth, beak 0.4–1.2 mm, straight or ± curved, awl-shaped. [Online Interchange]
Unabridged note: Expanded author citation: Ranunculus alismifolius Geyer ex Benth.
Plant 6–21 cm; roots not or ± fusiform-thickened proximally. Stem: 1–3 mm diam. Leaf: blade 2–5 cm, ± 1 cm wide, ovate or elliptic; cauline bases rounded to widely acute, margins entire. Flower: petals 5–8 mm, 2–6 mm wide.
Damp meadows, swamps, streams; 1400–3400 m. Klamath Ranges, North Coast Ranges, High Sierra Nevada, San Bernardino Mountains, San Jacinto Mountains, Modoc Plateau; to Washington, Montana, northwestern Baja California. May–Aug [Online Interchange]
Previous taxon: Ranunculus alismifolius
Next taxon: Ranunculus alismifolius var. alismifolius
Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Mar 10 2014
Citation for this treatment: [Author of taxon treatment] 2012. Ranunculus, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=64818, accessed on Mar 10 2014
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|Ranunculus alismifolius var. alismellus|
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© 2009 Keir Morse
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