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Key to families | Table of families and genera
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.
Perennial herb, aquatic, rhizomatous; hairs simple or 0. Stem: prostrate to erect, rooting at proximal nodes. Leaf: pinnately compound, petioled, base lobed or not, simple in deeply submersed plants. Inflorescence: elongated; bracts 0 or subtending proximal flowers. Flower: sepals erect to ascending, base or lateral pair not sac-like; petals white (pink), not clawed. Fruit: silique, dehiscent, linear, cylindric, unsegmented; stigma entire. Seed: 24–60, in 1 or 2 rows; wing 0.
5 species: worldwide. (Latin: nose distortion, in reference to plant pungency) [Al-Shehbaz & Price 1998 Novon 8:124–126]
1. Seeds in 1 row, minutely net-veined; fruit 1–1.2 mm wide ..... N. gambelii
1' Seeds in 2 rows, coarsely net-veined; fruit (1.8)2–2.5(3) mm wide ..... N. officinale
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].
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