Jepson eFlora
Key to families | Table of families and genera

Key to Elodea

View taxon page for Elodea

1. Mid-stem leaves 2–3 per node, tip rounded or obtuse; staminate inflorescence bract 10–42 mm ..... E. bifoliata

1' Mid-stem leaves 3(4) per node, tip obtuse, abruptly pointed, or acute; staminate inflorescence bract 2.2–13.5 mm

2. Leaves 2–5 mm wide, tip obtuse to abruptly pointed; staminate flowers deciduous in late bud or when flowers open, petals ± 5 mm; pistillate sepals ± 2–3 mm ..... E. canadensis

2' Leaves 0.3–2 mm wide, tip acute; staminate flowers deciduous in bud, petals generally 0 or ± 0.5 mm; pistillate sepals ± 1 mm ..... E. nuttallii

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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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