|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.
Perennial, generally ± glandular, generally resinous-smelling; caudex generally branched
Stem generally ascending to erect
Leaves generally basal, odd-1-pinnate, generally ± flat; cauline alternate, reduced upward; uppermost lateral leaflets generally ± fused with terminal
Inflorescence: cyme, open or of dense clusters; pedicels generally straight
Flower: hypanthium a ± flat-bottomed cup, width ± 2 X length; bractlets 5, generally 2/3 sepals; sepals 5, often reflexed; petals 5, generally ± = sepals, blunt, white; stamens 10, filaments flat, often forming a tube; pistils 2many, ovaries superior, styles jointed below fruit tip, ± thicker at base
Species in genus: 19 species: w North America
Etymology: (J. Horkel, German plant physiologist, 17691846)
Data apply to basal leaves, pressed hypanthia.
Plant tufted to matted, grayish greenSee the CNPS Inventory for information about endangerment and rarity.
Stem generally 2060 cm; hairs spreading
Leaf generally 620 cm; leaflets 716 per side, separated to ± crowded, generally 415 mm, wedge-shaped to round, ± 320-toothed or -lobed, often deeply notched, hairs generally dense
Inflorescence ± open, generally 510-flowered; pedicels generally 17 mm
Flower: hypanthium width generally 36 mm, ± > 2 X length, inner wall ± hairy; bractlets 12 mm wide, lanceolate to ovate; sepals generally 46 mm; petals 35 mm, oblanceolate to elliptic; filaments 12 mm, bases 0.51 mm wide, anthers ± 1 mm; pistils generally > 20, styles 2.53 mm
Fruit ± 1.5 mm
Ecology: UNCOMMON. Sandy meadow edges, seasonal streambeds in chaparral or foothill-pine woodland
Elevation: 3501900 m.
Bioregional distribution: Outer South Coast Ranges.Sometimes confused with H. cuneata subsp. sericea , H. rydbergii , or H. tenuiloba
Horticultural information: IRR: 7, 8, 9, 14, 15, 16, 17, 19, 20, 21, 22, 23, 24; GRCVR.