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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BERBERIDACEAE

BARBERRY FAMILY

Michael P. Williams

Perennial, shrub, generally from rhizomes; caudex sometimes present, glabrous, glaucous, or hairy
Stems spreading to erect, branched or not
Leaves simple, 1–3-ternate, or pinnately compound, basal and cauline, generally alternate, deciduous or evergreen, petioled
Inflorescence: generally raceme, spike, or panicle, scapose, terminal, or axillary
Flower: sepals 6–18 or 0, generally in whorls of 3; petals generally 6, in 2 whorls of 3, or 0; stamens 6–12, free or fused at base, 2-whorled 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, or achene
Genera in family: 16 genera, ± 670 species: temp, tropical worldwide; some cultivated (Berberis, Epimedium, Nandina (Heavenly bamboo), Vancouveria )
Reference: [Ernst 1964 J Arnold Arbor 45:1–35]
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