Jepson eFlora
Key to families | Table of families and genera

Key to Catalpa

View taxon page for Catalpa

1. Leaf blade 10–26 cm, tips acute; corolla < 3.5 cm, white with yellow and purple markings in throat; calyx < 15 mm ..... C. bignonioides

1' Leaf blade 15–30 cm, tips acuminate; corolla 4–6 cm, white with yellow stripes or brown dots in throat; calyx 15–25 mm ..... C. speciosa


Citation for the whole project: Jepson Flora Project (eds.) [year] Jepson eFlora, [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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