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. |
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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.
Annual or perennial herb, sometimes monoecious; hairs 0 or partitioned, not glandular
Leaves alternate, odd-1-pinnate; leaflets generally evenly toothed or lobed
Inflorescence: spikes 1many, head-like; peduncles long
Flowers bisexual (or upper pistillate, lower staminate); hypanthium urn-shaped; bractlets 0; sepals generally 4; petals 0; stamens 0many; pistils 03, ovaries superior, continuous to style at top, stigma generally ± shrub-like, exserted
Fruit: hypanthium hard, 4-angled, enclosing achenes
Species in genus: ± 25 species: n temp, arctic
Etymology: (Latin: blood-absorbing, from styptic properties)
Reference: [Nordberg 1966 Opera Bot 11(2):1103]
Native |
Annual or biennial, taprooted
Stem generally ascending to erect, generally 1070 cm
Leaves: basal withered at flower; largest cauline generally 312 cm; leaflets 47 per side, largest blade 520 mm, ± sessile, ± obovate-elliptic, lobes < 15, > 2/3 to midvein, linear
Inflorescence 535 mm, 510 mm wide, cylindric-ovoid, ± 1050-flowered
Flower: sepals 23 mm, ovate, green; stamens generally 2, filaments thread-like
Fruit 24 mm, barely winged; faces wrinkled
Chromosomes: n=7
Ecology: Open, especially disturbed areas
Elevation: 7001900 m.
Bioregional distribution: Klamath Ranges, High Cascade Range, n&c High Sierra Nevada, n Central Coast, Peninsular Ranges, Modoc Plateau
Distribution outside California: to British Columbia, Montana
S. annua (Hook.) Torr. & A. Gray (c US) has winged fruit with smooth faces
Horticultural information: TRY.