|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 515 mSee the CNPS Inventory for information about endangerment and rarity.
Leaf 717 cm, simple, linear to oblong, generally entire (crenate to irregularly lobed)
Ecology: Habitats of sp.
Elevation: 100500 m.
Bioregional distribution: s Channel Islands (Santa Catalina Island).Threatened by feral animals. Seedling leaves often compound
Horticultural information: In cultivation.