|Jepson Flora Project: Jepson Interchange|
|TREATMENT FROM THE JEPSON MANUAL (1993)||
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Jepson Interchange (more information)
©Copyright 1993 by the Regents of the University of California
AND IS MAINTAINED FOR ARCHIVAL PURPOSES ONLY
Annual to tree
Leaves simple to pinnately to palmately compound, generally alternate; stipules free to fused, persistent to deciduous
Inflorescence: cyme, raceme, panicle, or flowers solitary
Flower generally bisexual, radial; hypanthium free or fused to ovary, saucer- to funnel-shaped, often with bractlets alternate with sepals; sepals generally 5; petals generally 5, free; stamens (0)5many, pistils (0)1many, simple or compound; ovary superior to inferior, styles 15
Fruit: achene, follicle, drupe, pome, or blackberry- to raspberry-like
Seeds generally 15
Genera in family: 110 genera, ± 3000 species: worldwide, especially temp. Many cultivated for ornamental and fruit, especially Cotoneaster , Fragaria , Malus , Prunus , Pyracantha, Rosa , and Rubus
Reference: [Robertson 1974 J Arnold Arbor 55:303332,344401,611662]
Family description, key to genera by Barbara Ertter and Dieter H. Wilken.
Shrub to vine, often thicket-forming, generally prickly
Leaves generally odd-pinnately compound; stipules generally attached to petiole, generally gland-margined
Inflorescence: generally ± cyme or flowers solitary
Flower: hypanthium urn-shaped; bractlets 0; sepals 5, often with long expanded tip; petals generally 5 (except cultivars), generally pink in CA (white to red or yellow); stamens generally > 20; pistils generally many, ovaries superior, jointed to generally hairy styles
Fruit: bony achenes enclosed in fleshy, generally reddish hypanthium (hip)
Species in genus: 100+ species: generally n temp
Etymology: (Latin: ancient name)
Spp. hybridize freely; other non-natives established locally.
Dense shrub ± 310 dmSee the CNPS Inventory for information about endangerment and rarity.
Stem gray; prickles many, slender, straight
Leaf: leaflets hairy; terminal leaflet ± 36 mm, ± obovate, tip ± obtuse, margins toothed ± 1/2 to midvein, ± glandless
Inflorescence generally 1-flowered; pedicels ± 210 mm, hairy, glandless
Flower: hypanthium ± 3 mm wide at flower, densely prickly, neck ± 2 mm wide; sepals glandless, with toothed lateral lobes, tip generally ± = body, toothed; petals ± 1020 mm; pistils generally ± 10
Fruit ± 5 mm wide
Elevation: ± 160 m.
Bioregional distribution: s Peninsular Ranges (Otay Mesa)
Distribution outside California: n Baja California
Horticultural information: In cultivation.