Jepson eFlora
Key to families | Table of families and genera

Key to Pontederiaceae

View taxon page for Pontederiaceae

1. Plant generally free-floating; petiole inflated or not; inflorescence few- to many-flowered ..... EICHHORNIA

1' Plant generally submersed, emergent, or on wet ground; petiole not inflated; inflorescence generally 1- or few-flowered

2. Inflorescence generally 1-flowered; stamens 3; perianth salverform, tube > 1 cm ..... HETERANTHERA

2' Inflorescence few-flowered; stamens 6; perianth bell-shaped to rotate, tube < 1 cm ..... MONOCHORIA

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