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Catalpa - Catalpa
by Kerry Barringer
Not peer reviewed
Last modified: 03/02/2006
Nomenclature
Catalpa Scop., Intr. Hist. Nat. 170. 1777. TYPE: Catalpa bignonioides Walter.
Catalpium Raf., Princ. Fond. Somiol. 27. 1814. TYPE: Unknown.
Key to the species of Catalpa
1. Leaves glabrous below; flowers yellow...Catalpa ovata
1. Leaves pubescent below; flowers white...2
2. Leaves abruptly acuminate; panicles with many flowers; flowers ca. 3 cm across at the mouth...Catalpa bignonioides
2. Leaves long-acuminate; panicles few-flowered; flowers ca. 2 cm across at the mouth...Catalpa speciosa