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Anemone oregana var. oregana

Higher Taxonomy
Family: RanunculaceaeView DescriptionDichotomous Key

Habit: 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.
Genera In Family: +- 60 genera, 1700 species: worldwide, especially northern temperate, tropical mountains; many ornamental (Adonis, Aquilegia, Clematis, Consolida, Delphinium, Helleborus, Nigella). Toxicity: some highly TOXIC (Aconitum, Actaea, Delphinium, Ranunculus). Note: Taxa of Isopyrum in TJM (1993) moved to Enemion; Kumlienia moved to Ranunculus.
eFlora Treatment Author: Margriet Wetherwax & Dieter H. Wilken, family description, key to genera
Scientific Editor: Douglas H. Goldman, Bruce G. Baldwin.
Genus: AnemoneView DescriptionDichotomous Key

Common Name: ANEMONE
Habit: Perennial herb from caudex, rhizome, or tuber. Leaf: basal, generally many, simple to compound, generally petioled; blade or leaflets lobed to dissected or not, margins entire or toothed; in flower or fruit withered or not. Inflorescence: terminal, flowers 1 or 2--7[9] in cymes; peduncle erect; pedicel elongated in fruit; involucre bracts sessile or stalked, generally in 1--2 whorls of 2--5[9], simple to compound, +- like leaves or leaflets in size, shape. Flower: receptacle elongated in fruit; sepals 5--10[27], petal-like; petals generally 0; stamens 10--200; pistils many, styles persistent as beaks. Fruit: achene.
Species In Genus: +- 150 species: arctic, temperate worldwide; some cultivated for ornamental. Etymology: (Greek: flower shaken by wind) Note: Species with long, plumose styles sometimes placed in Pulsatilla.
eFlora Treatment Author: Scott Simono

Anemone oregana A. Gray var. oregana
Habit: Plant 8--30(35) cm; rhizome spreading, thick. Leaf: 0--1, in flower persistent or not; petiole 4--20 cm; leaflets +- like involucre bracts in size, shape. Inflorescence: flower 1; peduncle glabrous; involucre bracts in 1 whorl of 3, stalked, generally 1-ternate; terminal leaflet-like unit 2--8 cm, 1--3(3.5) cm wide, +- diamond-shaped or ovate to oblanceolate, +- glabrous to strigose, margins crenate to sharply serrate on distal 1/2 (2/3). Flower: sepals 5--7(8), 10--20 mm, 5--8(10) mm wide, ovate to oblong, blue to purple, +- red, or pink (white), glabrous; stamens 30--60(75). Fruit: body 4--5 mm, oblong to elliptic, puberulent (glabrous); pedicel (1.5)2--5(7) cm; beak (0.5)1--1.5 mm, +- straight, glabrous; aggregate 8--15 mm, +- spheric. Chromosomes: 2n=16.
Ecology: Shaded sites, conifer forest; Elevation: 100--1900 m. Bioregional Distribution: KR, CaRH; Distribution Outside California: to Washington. Flowering Time: Mar--Jun
Unabridged Note: Anemone oregana var. felix (M. Peck) C.L. Hitchc. a rare plant in marshes, bogs in Oregon, Washington.
eFlora Treatment Author: Scott Simono
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botanical illustration including Anemone oregana var. oregana


Citation for this treatment: Scott Simono 2016. Anemone oregana var. oregana, in Jepson Flora Project (eds.) Jepson eFlora,, accessed on May 05, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora,, accessed on May 05, 2016.

Anemone oregana var. oregana
click for enlargement
© 2013 Neal Kramer
Anemone oregana var. oregana
click for enlargement
© 2013 Neal Kramer

More photos of Anemone oregana var. oregana in CalPhotos

Geographic subdivisions for Anemone oregana var. oregana:
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.
map of distribution 1
(Note: any qualifiers in the taxon distribution description, such as 'northern', 'southern', 'adjacent' etc., are not reflected in the map above, and in some cases indication of a taxon in a subdivision is based on a single collection or author-verified occurence).

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Data provided by the participants of the Consortium of California Herbaria.
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CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa.
Blue line denotes eFlora flowering time.