|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.
Species in genus: 1 sp
Etymology: (Greek: Lyon's shrub, W.S. Lyon, early resident of Los Angeles)
Stem: trunk bark gray to reddish brown, peeling in strips
Leaves opposite; stipules deciduous; petiole 13 cm; blade dark, shiny green above, ± grayish below
Inflorescence: panicle, generally flat-topped; bractlets 13
Flower: hypanthium bell-shaped, tomentose; sepals persistent; petals ± round, white; stamens ± 15; pistils 2, ovary superior, style stout, stigma ± head-like
Fruit: follicles 2, 34 mm, woody
Seeds 14, ± 2 mm, compressed, brownish
Ecology: Rocky slopes, canyons, oak woodland, chaparral
Elevation: 20500 m.
Bioregional distribution: Channel Islands.Sspp. hybridize In cultivation.
Plant 412 mSee the CNPS Inventory for information about endangerment and rarity.
Leaf 921 cm, palmately to pinnately compound; 1° leaflets generally 37, 514 cm, linear; 2° leaflets generally 2030, 412 mm, subopposite
Ecology: Habitats of sp.
Elevation: 20500 m.
Bioregional distribution: Channel Islands (Santa Cruz, Santa Rosa, San Clemente islands)
Synonyms: var. a. (Greene) Brandegee
Threatened by grazing
Horticultural information: In cultivation.