Jepson Herbarium
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Indexes to all accepted names and synonyms: | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z |

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 n 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

Perennial from rhizome or tuber; roots fibrous or fleshy.
Stem: 1–few, generally erect, generally simple.
Leaf: palmately divided; segments 3–7, toothed to lobed; cauline gradually reduced distally on stem.
Inflorescence: raceme or panicle, terminal, bracted; pedicels ascending.
Flower: bilateral; sepals 5, petal-like, lower 2, < others, pendent, lateral 2, round- reniform, upper 1 > others, hooded, sac-like, crescent-shaped to rounded- conic or cylindric, tip generally rounded to beaked; petals 2, covered by sepal hood, long-clawed, blades generally inflated, spurred; stamens 20–50; pistils generally 3.
Fruit: follicle.
Seed: deltoid, generally with small transverse wings, dark brown to black.
> 100 species: boreal arctic, temperate montane to alpine North America, Eurasia. (Greek: aconiton, of unknown origin). Most species highly TOXIC, causing death in livestock, humans. [Brink & Woods 1997 FNANM 3:191–195]

Plant 3–15(20) dm.
Stem: erect, less generally reclining or twining above; bulblets 0 or in axils of leaves, inflorescence.
Leaf: 5–15 cm wide; deeply 3–5 divided, segments wedge- to diamond-shaped, toothed to irregularly cut or lobed distally.
Inflorescence: open.
Flower: sepals deep ± blue-purple to white or yellow-green, lower 7–15 mm, lanceolate to ovate, lateral 8–18 mm, ± round to reniform, upper 10–22(30) mm, 8–20(25) mm wide; petals blue to ± white.
Fruit: glabrous to puberulent, glandular or not. [Online Interchange]

2n=16,18. Streambanks, moist areas, meadows, conifer forest; 300–3500 m. Klamath Ranges, High North Coast Ranges, Cascade Range, High Sierra Nevada, Modoc Plateau, n East of Sierra Nevada;

Previous taxon: Aconitum columbianum
Next taxon: Aconitum columbianum subsp. viviparum

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Citation for the whole project: Jepson Flora Project (eds.) [year] Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html [accessed on month, day, year]
Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on [month, day, year].

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Bioregions in which taxon occurs	Markers link to CCH specimen records. If the markers are obscured, reload the page [or change window size and reload]. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues.
Chart based on elevation range in Manual and elevations and coordinates of CCH records. Data provided by the participants of the Consortium of California Herbaria. Note: About half of the CCH records include both elevation and coordinates.	Data provided by the participants of the Consortium of California Herbaria. View all CCH records   CCH collections by month Duplicates counted once; synonyms included. Species do not include records of infraspecific taxa. Blue line denotes Manual flowering time.