| 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)5–many, pistils (0)1–many, simple or compound; ovary superior to inferior, styles 1–5
Fruit: achene, follicle, drupe, pome, or blackberry- to raspberry-like
Seeds generally 1–5
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 55:303–332,344–401,611–662]
Family description, key to genera by Barbara Ertter and Dieter H. Wilken.
Tree or shrub, sometimes thorny
Leaves generally toothed (lobed)
Inflorescence: clusters at ends of short lateral branches
Flower: bractlets on hypanthium 0; stamens many; ovary inferior, chambers (2–)5, 2-ovuled, styles (2–)5, ± fused at base
Fruit: pome
Species in genus: ± 25 species: n temp
Etymology: (Classical name of apple)
Often included in Pyrus , pear.
| Introduced |
Tree
Leaf 5–11 cm, elliptic to widely ovate; teeth generally blunt; petiole < 20 mm; main leaves unlobed
Flower: petals white or pink
Fruit generally > 30 mm, round, ± red; pedicel 10–25 mm
Chromosomes: 2n=34,51
Ecology: Disturbed places
Elevation: generally < 1000 m.
Bioregional distribution: n California
Distribution outside California: native to Eurasia