|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 or small tree
Stem: bark gray- to red-brown; twigs generally short
Leaves alternate or clustered, simple, deciduous; stipules deciduous
Inflorescence: racemes or clusters; flowers 316+
Flower: hypanthium bell- to urn-shaped; sepals persistent; petals ascending to erect, white; stamens ± 1020; ovary inferior, 25-chambered, styles 25
Fruit: pome, berry-like, generally spheric, blue-black
Species in genus: ± 10 species: temp North America, Eurasia, n Africa. Fr of some species used by native Americans for food
Etymology: (Latin: from old French common name)
Reference: [Jones 1946 Illinois Biol Mongr 20(2):1126]
Variation in w North America needs further study.
Shrub 18 m
Stem: twigs glabrous to tomentose
Leaf: blade 950 mm, 845 mm wide, elliptic to round, generally serrate above middle
Flower: petals 34 mm wide, oblong to oblanceolate; styles (4)5
Fruit 714 mm diam
Ecology: Open scrub, coniferous forest
Elevation: 502600 m.
Bioregional distribution: North Coast, Klamath Ranges, n Outer North Coast Ranges, n&c High Sierra Nevada (e slope)
Distribution outside California: to Alaska, north-central US, New Mexico
34 other vars. in nw US, Rocky Mtns.
Shrub 14 m
Leaf: blade 950 mm, 845 mm wide, glabrous, lateral veins 1218
Inflorescence 15 cm; flowers 39
Flower: petals 612 mm; ovary top glabrous
Fruit 710 mm diam
Ecology: Open, often moist scrub, coniferous forest
Elevation: 14002600 m.
Bioregional distribution: n&c High Sierra Nevada (eastern slope)
Distribution outside California: to Montana, Colorado
Synonyms: A. pumila Nutt
Horticultural information: DRN: 4, 5, 6 &IRR: 1, 2, 7, 14, 15, 16, 17 &SHD: 3, 8, 9, 10, 18, 19, 20, 21.