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 
Expanded portion of a leaf, petal, or other structure, generally flat but sometimes rolled, cylindric, wavy, or cupped.
10–26 cm, tips
acute 
Having a short-tapered, sharp tip, the sides convex or straight and converging at less than a right angle.
;
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 
Having a long-tapered, sharp tip, the sides concave.
; corolla 4–6 cm, white with yellow stripes or brown dots in throat; calyx 15–25 mm
..... C. speciosa
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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 .
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