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Key to families | Table of families and genera
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 20–30(50) cm, erect, not rooting at nodes, stem base bulbous, corm-like. Leaf: basal, cauline 2–5.3 cm, 2.4–5.4 cm wide, ovate to cordate, deeply 3-lobed to 1-ternate, leaflets 1–2 × lobed, ultimate segments oblong to obovate, toothed, tips rounded; distal cauline reduced, deeply parted or compound. Flower: receptacle hairy; sepals 5, reflexed 2–3 mm from base, 6–9 mm, 2–4 mm wide, early-deciduous; petals 5, 9–13 mm, 8–11 mm wide. Fruit: body 2.2–3.2 mm, 2.2–2.8 mm wide, disk-like, wall thick, smooth, beak lanceolate to deltate, tip 0–0.8 mm, slender, hooked.
Meadows; < 100 m. n North Coast; worldwide; native to Eurasia. Jun–Jul [Online Interchange]
Previous taxon: Ranunculus bonariensis var. trisepalus
Next taxon: Ranunculus californicus
Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Jul 24 2014
Citation for this treatment: [Author of taxon treatment] 2013. Ranunculus, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=40866, accessed on Jul 24 2014
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