Directory       News       Site Map       Home
         
    Jepson eFlora
Key to families | Table of families and genera

This text currently parallels The Jepson Manual: Vascular Plants of California, Second Edition that is now available at the University of California Press.

Text appearing in blue on this page will not appear in the printed book; it will be displayed only on the Web. Specimen numbers are hyperlinked to records in the Consortium of California Herbaria data view where possible. Taxa are hyperlinked to entries in the Jepson Interchange via the "[Online Interchange]" link.

 

ELATINACEAE WATERWORT FAMILY

Gordon C. Tucker & Evanielis U. Grissom


Annual, short-lived perennial herb, in or near water; roots fibrous, from taproot or not, generally from lower leaf axils also.
Stem: generally soft.
Leaf: simple, opposite, ± 4-ranked; stipules scarious.
Inflorescence: flowers in upper axils, 1 or few in clusters.
Flower: small, inconspicuous, radial, bisexual; sepals, petals 2–5, equal in number, generally free; ovary spheric, styles 3–5, short.
Fruit: capsule, septicidal, ± spheric, ovoid, or depressed-ovoid, walls thin; chambers 2–5, each several to many-seeded.
Seed: small; surface net-like or glossy.
2 genera, 50 species: ± worldwide. [Yang & Tucker 2007 Fl China 13:55–56] —Scientific Editor: Thomas J. Rosatti.
Unabridged references: [Tucker 1986 J Arnold Arbor 67:471–483]

Key to Elatinaceae

1. Plant glandular-hairy; sepals, petals 5; sepals acute, midvein rib-like ..... BERGIA

1' Plant glabrous; sepals, petals 2–4; sepals obtuse, midvein not apparent ..... ELATINE

Contact/Feedback

Citation for the whole project: Jepson Flora Project (eds.) [year] Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html [accessed on month, day, year]
Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on [month, day, year].
We encourage links to these pages, but the content may not be downloaded for reposting, repackaging, redistributing, or sale in any form, without written permission from The Jepson Herbarium.