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Actaea rubra

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: ActaeaView Description 

Common Name: BANEBERRY
Habit: Perennial herb from stout, branched caudex. Stem: 1--few, ascending to erect, branched or not. Leaf: 1--4, generally 1--3-ternate or -pinnate. Inflorescence: raceme, axillary or terminal. Flower: sepals 3--5, petal-like, early-deciduous; petals 4--10, spoon-shaped to obovate, clawed; pistil 1, placentas 2, ovules several. Fruit: berry.
Species In Genus: +- 8 species: temperate North America, Eurasia. Etymology: (Greek: ancient name, from wet habitat, similarity to Sambucus leaves) Toxicity: Fruit TOXIC to humans.
eFlora Treatment Author: Bruce A. Ford & Dieter H. Wilken

Actaea rubra (Aiton) Willd.
NATIVE
Habit: Plant (2)3--10 dm. Stem: few-branched distally, sparsely puberulent. Leaf: 10--40 cm, lower 2--3-ternate, upper 1--2-ternate, leaflets 2--9 cm, toothed to irregularly cut, lateral lanceolate to ovate, terminal widely ovate to +- round. Inflorescence: pedicels spreading to ascending, 5--8 mm, 6--37 mm in fruit. Flower: sepals 2--5 mm, +- white or +- purple-green; petals +- = sepals, white; stamens 3--7 mm. Fruit: 5--10 mm, red or white, shiny. Chromosomes: n=8.
Ecology: Deep soils, moist, open to shaded sites, mixed-evergreen or conifer forests; Elevation: < 2800 m. Bioregional Distribution: NW, CaR, SN (exc Teh), SnFrB, SCoRO, SnBr; Distribution Outside California: to Alaska, northeastern North America. Flowering Time: May--Sep
Synonyms: Actaea rubra subsp. arguta (Nutt.) Hultén
eFlora Treatment Author: Bruce A. Ford & Dieter H. Wilken
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botanical illustration including Actaea rubra

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Citation for this treatment: Bruce A. Ford & Dieter H. Wilken 2016. Actaea rubra, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=11894, accessed on July 27, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on July 27, 2016.


Actaea rubra
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© 2010 Keir Morse
Actaea rubra
click for enlargement
© 2010 Keir Morse
Actaea rubra
click for enlargement
© 2016 Keir Morse
Actaea rubra
click for enlargement
© 2016 Keir Morse
Actaea rubra
click for enlargement
© 2008 Steve Matson
Actaea rubra
click for enlargement
© 2016 Keir Morse

More photos of Actaea rubra in CalPhotos


Geographic subdivisions for Actaea rubra:
NW, CaR, SN (exc Teh), SnFrB, SCoRO, SnBr;
Markers link to CCH specimen records. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues. Purple markers indicate specimens collected from a garden, greenhouse, or other non-wild location.
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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.