Jepson eFlora
Key to families | Table of families and genera

Key to Catalpa

View taxon page for Catalpa

(For a list of species in Catalpa, use the above link.)

Jepson Manual glossary definitions can be seen by moving your cursor over words underlined with dots.

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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