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 |
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.
Perennial from short rhizomes and leafless stolons, ± nonglandular
Leaves basal, 1-ternate; leaflet teeth generally simple
Inflorescence: cyme, ± umbel-like, open, 1several-flowered; pedicels recurved in fruit
Flower: hypanthium shallow; bractlets 5; sepals 5; petals 5, ± obovate, generally white; stamens 2035, filaments ± flat; pistils many, ovaries superior, jointed to stout style on side
Fruit: receptacle enlarged, fleshy, red, incompletely covered with achenes
Species in genus: 1530 species: generally n temp
Etymology: (Latin: fragrant)
Reference: [Hancock & Bringhurst 1981 Amer J Bot 68:15]
Hair orientation and plant size have been used to define subspp. but seem to have no taxonomic significance, at least in CA. All species intergrade.
Native |
Often dioecious
Stem 212 cm
Leaf thin; petiole generally 112 cm; central leaflet stalk 13 mm, blade generally 1560 mm, obovate, rounded to truncate, teeth generally 711, above middle, ± obtuse, central tooth << adjacent ones; leaflets generally glabrous above, ± hairy below
Inflorescence < leaves
Flower ± 1020 mm wide; bractlets unlobed; sepals 36 mm; petals 49 mm
Fruit: receptacle ± 10 mm; achene ± 1.5 mm
Chromosomes: n=28
Ecology: Meadows, forest openings
Elevation: generally 12003300 m.
Bioregional distribution: Klamath Ranges, High Cascade Range, High Sierra Nevada, Modoc Plateau
Distribution outside California: to e N.America
Synonyms: subsp. platypetala (Rydb.) Staudt
Plants of c SNH (Yosemite Valley) are unusually large
Horticultural information: DRN: 4, 5, 6 &IRR: 1, 2, 3, 7, 14, 15, 16, 18; GRCVR.