Jepson Flora Project: Jepson Interchange    

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Jepson Interchange (more information)
©Copyright 1993 by the Regents of the University of California

  • Up-to-date information about California vascular plants is available from the Jepson eFlora.



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]


Perennial from scaly rhizomes
Stem generally erect, short, underground
Leaves basal, long-petioled, 1–2-ternate; 1° divisions sometimes pinnately compound; leaflets ovate to ± cordate, base ± lobed
Inflorescence: raceme or panicle, ± scapose, open, long-peduncled; flowers spreading to pendulent
Flower: sepals generally 12–15, 8–9 mm, outer 6–9 << inner 6, bract-like, deciduous, inner petal-like, persistent, becoming reflexed; petals 6, < inner sepals, reflexed, distally glandular; stamens generally 6, anther valves flap-like, pointed tipward; ovules 2–10, style 1, < ovary, persistent, beak-like in fruit, stigma cup-like
Fruit: capsule, 2-valved, generally elliptic
Species in genus: 3 species: temp w North America
Etymology: (Captain George Vancouver, British explorer, 1757–1798)
Reference: [Stearn 1938 J Linn Soc Bot 51:409–535]

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