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BERBERIDACEAE BARBERRY FAMILY

Michael P. Williams

Perennial herb, shrub, [tree], generally rhizomed, caudexed or not, glabrous, glaucous, or hairy. Stem: spreading to erect, branched or not. Leaf: simple, 1–3-ternate, or pinnately compound, basal and cauline, generally alternate, deciduous or evergreen, petioled, stipuled. Inflorescence: generally raceme, spike, or panicle, scapose, terminal, or axillary. Flower: generally bisexual, radial; sepals 6–18 or 0, generally in whorls of 3; petals generally 6, in 2 whorls of 3, or 0; stamens 6–12(13), free or fused at base, in 2 whorls or not, anthers dehiscent by flap-like valves or longitudinal slits; ovary superior, chamber 1, ovules generally 1–10, style 1 or 0, stigma flat or spheric. Fruit: berry, capsule, achene [follicle].
16 genera, ± 670 species: temperate, tropics worldwide; some cultivated (Berberis, Epimedium, Nandina (heavenly bamboo), Vancouveria). [Wang 2007 Syst Bot 32:731–742] Lower sepals sometimes called "bracteoles," inner petals "staminodes". —Scientific Editor: Thomas J. Rosatti.
Unabridged references: [Ernst 1964 J Arnold Arbor 45:1–35]

Key to Berberidaceae

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Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Sep 20 2014
Citation for this treatment: [Author of taxon treatment] 2013. Berberidaceae, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=64, accessed on Sep 20 2014

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