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 |
Perennial, ± aquatic; rhizomes thick
Leaves simple or with 3 sessile leaflets, generally alternate; stipules generally 0; petiole sheathing at base
Inflorescence: many types
Flower bisexual, radial; calyx 5-lobed; corolla 5-lobed, rotate to funnel-shaped; stamens 5, alternate corolla lobes, anthers with longitudinal slits; pistil 1, ovary superior or partially inferior, chamber 1, stigma simple or 2-lobed
Fruit: capsule, septicidal
Seeds few–many, smooth, shining
Genera in family: 5 genera, 30–40 species: worldwide.
Plant submersed; often with a cluster of short roots
Leaves simple, floating, deeply cordate, generally alternate (those on flowering stems opposite); petioles long
Inflorescence: umbel in leaf axils of flower petiole
Flower: corolla rotate, lobes bearing a glandular appendage near base; style short or 0, stigma persistent, 2-lobed
Species in genus: 20 species: Am, Eurasia, Africa. Sometimes placed in Gentianaceae but differs in having alternate leaves
Etymology: (Nymphaea-like)
| Introduced |
Plant glabrous
Stem < 160 cm, creeping; flowering stems floating
Leaf 3–10 cm wide; margin wavy or entire
Inflorescence: flowers 2–5 in axillary bundles
Flower: pedicels 3–10 cm; calyx lobes oblong-lanceolate; corolla 30–40 mm diam, yellow, fringed-ciliate
Chromosomes: 2n=54
Ecology: Still water, slow-moving rivers
Elevation: ± 1100 m.
Bioregional distribution: n High Sierra Nevada (Trout Lake, El Dorado Co.)
Distribution outside California: Arizona, AR, ne US; native to Eurasia, Mediterranean
Cult in aquatic gardens.
| 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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