TREATMENT FROM THE JEPSON MANUAL (1993) |
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Jepson Interchange (more information) |
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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 |
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 or tree
Leaves odd-1-pinnate in CA, petioled, deciduous; leaflets generally toothed, terminal sometimes partly fused to uppermost lateral(s)
Inflorescence: panicle, many-flowered
Flower: sepals 5; petals 5; stamens 1520; ovary generally inferior, styles generally free
Fruit: pome; chambers 15, 12-seeded
Species in genus: ± 80 species: n temp
Etymology: (Latin: ancient name)
Reference: [Jones 1939 J Arnold Arbor 20:143]
Intergrading: native species might all = S. sitchensis.
Introduced |
Tree < 15 m; stem-bud hairs dense, evenly distributed, whitish
Leaf: leaflets 917, 35 cm, oblong-lanceolate
Inflorescence: pedicel hairs generally dense
Flower: petals ± 4 mm, ± round
Fruit 911 mm, bright red
Seeds ± 4 mm, ovate, ± flat, light brown
Chromosomes: 2n=34
Ecology: Disturbed places, generally near dwellings
Elevation: generally < 1700 m.
Bioregional distribution: San Francisco Bay Area, San Bernardino Mountains (expected elsewhere)
Distribution outside California: native to Europe