Jepson Flora Project: Jepson Interchange    

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Jepson Interchange (more information)
©Copyright 1993 by the Regents of the University of California
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Dieter H. Wilken, except as specified

Annual, perennial herb, sometimes aquatic
Leaves generally basal and cauline, generally alternate, simple or compound; petioles at base generally flat, sometimes sheathing or stipule-like
Inflorescence: cyme, raceme, panicle, or flowers solitary
Flower generally bisexual, radial; sepals generally 5, free, early deciduous or withering in fruit, generally green; petals 0–many, free; stamens generally 10–many; pistils 1–many, ovary superior, chamber 1, style 1, generally ± persistent in fruit as beak, ovules 1–many
Fruit: achene, follicle, berry, or utricle-like, 1–many-seeded
Genera in family: ± 60 genera, 1700 species: worldwide, especially n temp, tropical mtns; many ornamental (Adonis, Aquilegia, Clematis, Consolida, Delphinium, Erianthis, Helleborus ), some highly TOXIC (Aconitum, Actaea, Delphinium, Ranunculus )
Reference: [Duncan & Keener 1991 Phytologia 70:24–27]



Perennial from stout, simple to branched caudex, rhizome, or tuber
Stems 1–several, erect, generally simple
Leaves simple to 1-ternate, blade or leaflet toothed to dissected; basal leaves rosetted, petioled, in flower or fruit withered or persistent; cauline leaves generally 2–3, in 1–2 whorls, petiole 0 to short
Inflorescence terminal; peduncles 1–5, erect, 1-flowered, in fruit elongated
Flower radial; receptacle in fruit elongated; sepals 5–8(10), petal-like; petals 0; pistils many, styles in fruit generally persistent, generally glabrous to puberulent
Fruit: achenes, densely clustered
Species in genus: ± 100 species: temp worldwide
Etymology: (Greek: flower shaken by wind)
Some species cultivated for ornamental. Plants with long, plumose styles sometimes separated as Pulsatilla.


A. tuberosa Rydb.

Plant 12–35 cm; tuber atop slender caudex
Stems 1–few, glabrous
Leaves dissected; segments oblong to ovate, 4–8 mm wide; basal few, petioles 5–8 cm, glabrous; cauline petioles ± 0 to short
Inflorescence: flowers 1–5
Flower: sepals 5–8, 6–14 mm, reddish, lower surface soft-hairy
Fruit: cluster oblong to elliptic, (15)20–30 mm, densely woolly; styles 1–2 mm
Ecology: Rocky slopes, ledges
Elevation: 900–1900 m.
Bioregional distribution: e Desert Mountains
Distribution outside California: to Utah, New Mexico
Flowering time: Apr–May
Horticultural information: TRY; DFCLT.

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bioregional map for ANEMONE%20tuberosa being generated
YOU CAN HELP US make sure that our distributional information is correct and current. If you know that a plant occurs in a wild, reproducing state in a Jepson bioregion NOT highlighted on the map, please contact us with that information. Please realize that we cannot incorporate range extensions without access to a voucher specimen, which should (ultimately) be deposited in an herbarium. You can send the pressed, dried collection (with complete locality information indicated) to us (e-mail us for details) or refer us to an accessioned herbarium specimen. Non-occurrence of a plant in an indicated area is difficult to document, but we will especially value your input on those types of possible errors (see automatic conversion of distribution data to maps).

Retrieve Jepson Interchange Index to Plant Names entry for Anemone tuberosa
Retrieve dichotomous key for Anemone
Overlay Consortium of California Herbaria specimen data by county on this map
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