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MENYANTHACEAE BUCKBEAN FAMILY

Robert F. Thorne, C. Barre Hellquist & William J. Stone

Perennial herb [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.)]

Key to Menyanthaceae

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Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Oct 24 2014
Citation for this treatment: [Author of taxon treatment] 2013. Menyanthaceae, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=190, accessed on Oct 24 2014

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