Jepson Interchange (more information)
Print edition is available from the University of California Press
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This page is based on the 1993 Jepson Manual.
Please see the Jepson eFlora for up-to-date information about California vascular plants. |
| Jepson Flora Project: Jepson Interchange |
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TREATMENT FROM THE JEPSON MANUAL |
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Jepson Interchange (more information) |
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©Copyright 1993 by the Regents of the University of California
Print edition is available from the University of California Press |
| The second edition of The Jepson Manual (2012) is available from the University of California Press | |
| See also the Jepson eFlora, which parallels the Second Edition |
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.
Species in genus: 1 sp
Etymology: (Greek: sheath female, from hypanthium enclosing pistil)
| Native |
Shrub 3–20 dm, much-branched, ± strigose, thorny
Leaves in opposite clusters, 5–15 mm, linear-oblanceolate, ± thick, entire; stipules persistent
Inflorescence: flowers solitary at stem tips; bract (closely subtending flower) ± linear, base 2-lobed
Flower generally yellow (sepals often reddish outside); hypanthium bell-shaped, leathery, sheath at top enclosing pistil, 4–5 mm; sepals 4, 7–8 mm, erect, elliptic, persistent, inner 2 widely scarious-margined; petals 0; stamens 30–40; pistil 1, ovary superior, style lateral, long-hairy especially below, persistent
Fruit: achene, ± 3–4 mm, ± crescent-shaped, brown, glabrous
Ecology: Dry, open slopes, creosote-bush scrub, pinyon/juniper woodland
Elevation: 600–1600 m.
Bioregional distribution: East of Sierra Nevada, Desert (especially Desert Mountains)
Distribution outside California: to Colorado, New Mexico
Flowering time: Apr–Jun
| YOU CAN HELP US make sure that our distributional information is correct and current. If you know that a plant occurs in a wild, reproducing state in a Jepson bioregion NOT highlighted on the map, please contact us with that information. Please realize that we cannot incorporate range extensions without access to a voucher specimen, which should (ultimately) be deposited in an herbarium. You can send the pressed, dried collection (with complete locality information indicated) to us (e-mail us for details) or refer us to an accessioned herbarium specimen. Non-occurrence of a plant in an indicated area is difficult to document, but we will especially value your input on those types of possible errors (see automatic conversion of distribution data to maps). |
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