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Vascular Plants of California
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Anemone lyallii


Higher Taxonomy
Family: RanunculaceaeView DescriptionDichotomous Key
Common Name: BUTTERCUP FAMILY
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
Reference: Dutton et al. 1997 FNANM 3:139--155
Unabridged Reference: Hoot et al. 1994 Syst Bot 19:169--200
Anemone lyallii Britton
NATIVE
Habit: Plant 5--30(40) cm; rhizome spreading. Leaf: 0--1; petiole 5--8 cm; leaflets +- like involucre bracts in size, shape. Inflorescence: flower 1; peduncle glabrous or +- hairy distally; involucre bracts in 1 whorl of 3, 1-ternate, glabrous (+- hairy); terminal leaflet-like unit (1)1.5--3(4) cm, (0.4)0.7--1.5(2) cm wide, ovate or oblanceolate, margins crenate to serrate on distal 1/2--2/3. Flower: sepals 5(7), 3.5--8(10) mm, 1.5--3(3.5) mm wide, oblong (narrowly ovate), white, pink, or blue, glabrous; stamens 10--30(35). Fruit: body 3--4 mm, elliptic, flat, +- white-hairy; pedicel 1--3(4) cm; beak +- 0.5 mm, tapered, occasionally +- curved, glabrous; aggregate +- spheric. Chromosomes: 2n=16.
Ecology: Moist shaded slopes, subalpine ridges; Elevation: 100--1900 m. Bioregional Distribution: KR, CaR, n SN; Distribution Outside California: to British Columbia. Flowering Time: Mar--Jul Note: May intergrade with Anemone grayi or Anemone oregana; study needed.
Synonyms: Anemone oligantha Eastw.; Anemone quinquefolia L. var. lyallii (Britton) B.L. Rob.
Jepson eFlora Author: Scott Simono
Reference: Dutton et al. 1997 FNANM 3:139--155
Unabridged Reference: Hoot et al. 1994 Syst Bot 19:169--200
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Citation for this treatment: Scott Simono 2012, Anemone lyallii, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=13362, accessed on May 20, 2019.

Citation for the whole project: Jepson Flora Project (eds.) 2019, Jepson eFlora, http://ucjeps.berkeley.edu/eflora/, accessed on May 20, 2019.

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Geographic subdivisions for Anemone lyallii:
KR, CaR, n SN
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CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa, if there are more than 1 infraspecific taxon in CA.
Blue line denotes eFlora flowering time.