|
|
|||||
| University of California, Berkeley | |||||
|
|||||
| Directory News Site Map Home | |||||
|
|||||
| Jepson eFlora: Taxon page
Key to families | Table of families and genera |
|
Indexes to all accepted names and synonyms: | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | |
|
Perennial [ annual], ± aquatic, herbage glabrous; rhizomes thick.
Leaf: simple or of 3 leaflets, generally alternate; stipules generally 0; petiole bases sheathing.
Inflorescence: various.
Flower: bisexual [ unisexual], radial; sepals 5, united or not; corolla rotate to funnel-shaped, lobes 5, fringed or coarse-hairy marginally or adaxially or not; stamens 5, epipetalous, alternate corolla lobes, anthers sagittate; nectaries generally 5, at ovary base; pistil 1, ovary generally ± superior, chamber 1, stigma 2-lobed.
Fruit: capsule [± fleshy], valves 2–4.
Seed: few to many, smooth, shiny.
5 genera, ± 70 species: worldwide. —Scientific Editor: Thomas J. Rosatti.
Unabridged references: [Kadereit, J. W. 2006 [2007]. Asterales: Introduction and Conspectus. Pp. 1–6, in Kadereit, J. W. & Jeffrey, C. (eds.), The Families and Genera of Vascular Plants. Volume VIII. Flowering Plants. Eudicots. Asterales. Springer, Berlin; Tippery, N. P. [et al. 2006], Les, D. H., Padgett, D., & Surrey, J. 2006. Clades and grades: An evaluation of generic circumscriptions in Menyanthaceae Dumort. (Asterales). Pp. 262–263, in Botany 2006 - Looking to the Future - Conserving the Past. (Abstracts: Botanical Society of America, etc.)]
Leaf: simple, submersed or floating, deeply cordate, generally alternate, those on flowering stems generally opposite; petioles > blades.
Inflorescence: ± umbel, in axils of petioles near top of long, petiole-like flower stem, often with clusters of tuberous roots.
Flower: corolla rotate, white or yellow, lobes with a glandular appendage near base; filaments < to > style; stigma persistent, 2-lobed.
Fruit: irregularly dehiscent.
± 50 species: North America, South America, Eurasia, Africa, Australia. (Greek: Nymphaea-like, from resemblance of leaves to those of water lily) Sometimes in Gentianaceae, but plants differ in their ± aquatic habitats, generally alternate, petioled leaves, and several other ways.
Previous taxon: Menyanthes trifoliata
Next taxon: Nymphoides peltata
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].
Copyright © 2012 Regents of the University of California
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.
| Bioregions in which taxon occurs | Red area (if present) is the part of the bioregion lying between the upper and lower elevation limits of the taxon; markers link to CCH specimen records. If the markers are obscured, reload the page [or change window size and reload]. Yellow markers indicate records that may have georeferencing or identification issues. |
|
|
|
|
Chart based on elevation range in Manual and elevations and coordinates of CCH records. Data provided by the participants of the Consortium of California Herbaria. Note: About half of the CCH records include both elevation and coordinates. | Map made in collaboration with Scott Loarie. Data provided by the participants of the Consortium of California Herbaria.
View all CCH records
|