|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.
Annual to shrub; odor resinous or 0
Leaves generally basal, odd-1-pinnate to 1-palmate or 1-ternate; leaflets ± toothed or lobed, terminal generally ± = lateral
Inflorescence: cyme, generally ± open; pedicels generally ± straight
Flower: hypanthium ± shallow; bractlets 5; sepals generally 5, ± triangular; petals generally 5, generally = or > sepals, generally ± widely obcordate, generally yellow; stamens generally 20; pistils generally many, styles generally jointed near tip
Species in genus: 200500 species: n temp
Etymology: (Latin: diminutive of powerful, for reputed medicinal value)
Reference: [Clausen, Keck, & Hiesey 1940 Carn Inst Wash Pub 520:26195]
P. anglica Laicharding is a waif from cultivated: stem trailing; pedicels 28 cm, slender; sepals and petals generally 4; leaflets 35.
Shrub < 1 m; glands 0 or hidden
Leaf ± pinnate, 13 cm; leaflets 23 per side, 520 mm, linear to narrowly elliptic, entire, ± hairy
Inflorescence: flowers 12 at end of twigs
Flower: hypanthium 58 mm wide; petals 510 mm; stamens 2025, filaments 23 mm, anthers ± 1 mm; styles ± 2 mm, attached near middle of fruit, narrowly club-shaped
Fruit ± 1.5 mm, densely hairy (unique in CA)
Ecology: Meadows, rocks
Elevation: 20003600 m.
Bioregional distribution: Klamath Ranges, High Cascade Range, High Sierra Nevada, Warner Mountains, White and Inyo Mountains
Distribution outside California: circumboreal
Horticultural information: DRN, SUN: 4, 5, 6 &IRR: 1, 7, 15, 16, 17 &WET: 2, 3, 14, 18, 19, 20, 21, 22, 23, 24; DFCLT; CVS.