Jepson eFlora
Key to families | Table of families and genera

Key to Najas

View taxon page for Najas

1. Staminate, pistillate flowers on different plants; leaf blade midrib abaxially prickled; internodes generally prickled; seed >= 1.2 mm wide, coat pitted ..... N. marina

1' Staminate, pistillate flowers on same plants; leaf blade midrib abaxially not prickled; internodes not prickled; seed <= 1.2 mm wide, coat smooth or pitted, smooth if seed reaching 1.2 mm wide

2. Style subterminal (not from center of ovary, fruit top) ..... N. gracillima

2' Style terminal

3. Seed narrowly to widely obovate, coat smooth, shiny; anther chambers 1 ..... N. flexilis

3' Seed fusiform, coat pitted, dull; anther chambers 4 ..... N. guadalupensis subsp. guadalupensis

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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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