Jepson Flora Project: Jepson Interchange    

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Jepson Interchange (more information)
©Copyright 1993 by the Regents of the University of California

  • Up-to-date information about California vascular plants is available from the Jepson eFlora.



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.


Barbara Ertter

Perennial, low, ± matted; caudex branched
Leaves generally basal, generally 1-ternate in CA
Inflorescence: cyme
Flower: hypanthium shallow; bractlets generally 5; sepals generally 5; petals generally 5; stamens 4–10; pistils few–many, ovaries superior, jointed to slender style on side
Fruit: achene
Species in genus: ± 20 species: n hemisphere, especially Himalayan
Etymology: (R. Sibbald, Scottish naturalist, physician, 1641–1722)
Reference: [Dixit & Panigrahi 1981 Proc Indian Acad Sci 90:253–272]


S. procumbens L.

Plant hairs appressed, generally ± sparse
Stem 2–15 cm, ± spreading
Leaf: petiole 1–7 cm; leaflets 5–25 mm, ± wedge-shaped, teeth generally 3, at tip
Inflorescence: pedicels generally 3–10 mm, straight
Flower: bractlets linear, < sepals; sepals 2–4 mm, triangular; petals ± 1 mm, widely oblanceolate, yellow; stamens 5
Fruit ± 1 mm, smooth, brown, often retained in disintegrating flower
Chromosomes: n=7
Ecology: Moist rocky areas
Elevation: 1900–3700 m (lowest in n).
Bioregional distribution: Klamath Ranges, High Cascade Range, High Sierra Nevada, San Bernardino Mountains, Warner Mountains, East of Sierra Nevada
Distribution outside California: to ne N.America, Eurasia
Flowering time: Jun–Aug
Horticultural information: TRY; DFCLT.

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