| TREATMENT FROM THE JEPSON MANUAL (1993) |
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©Copyright 1993 by the Regents of the University of California
For up-to-date information about California vascular plants, visit the Jepson eFlora. |
AND IS MAINTAINED FOR ARCHIVAL PURPOSES ONLY |
Shrub, tree, sometimes ± dioecious, often thorny, generally densely silvery-hairy throughout; hairs often scale-like
Leaves simple, alternate or opposite, generally deciduous, entire; petiole generally short; stipules 0
Inflorescence generally umbel-like, axillary; flowers 1–few
Flower radial; hypanthium rotate to salverform, lower part generally receptacle-like, persistent, with a disk, becoming fleshy; sepals (hypanthium lobes) generally 4, ± petal-like; petals 0; anthers 4 or 8, ± sessile; ovary superior (appearing inferior), chamber 1, style 1
Fruit: achene enclosed in fleshy hypanthium, the whole drupe- or berry-like
Genera in family: 3 genera, ± 45 species: North America, Eur, Asia, e Australia; especially temp, subtropical
Reference: [Graham 1964 J Arnold Arbor 45:274–278]
Shrub, dioecious
Leaves opposite or some alternate
Staminate flower: hypanthium rotate; stamens 8; disk lobes alternate stamens
Pistillate flower: hypanthium urn-shaped, nearly closed at top; disk lobes 8, nearly meeting above ovary; stigma cap-like
Species in genus: 3 species: North America
Etymology: (John Shepherd, 1764–1836, curator of Liverpool Botanic Garden)