Directory       News       Site Map       Home
    Jepson eFlora
Key to families | Table of families and genera

Specimen numbers are hyperlinked to records in the Consortium of California Herbaria data view where possible. Taxa are hyperlinked to entries in the Jepson Interchange via the "[Online Interchange]" link.


Tree, deciduous. Leaf: simple, opposite to whorled, cordate. Inflorescence: panicle, terminal. Flower: calyx inflated, 2-lipped, purple-green; corolla fragrant, lower petal notched; stamens included, anther sacs 2; staminode included, glabrous. Fruit: linear, not flat. Seed: 6–12 mm, oblong; glabrous.
10 species: temperate North America, eastern Asia. (Spelling error for Catawba, North America native name for the tree)
Unabridged etymology: (Spelling error for Catawba, Native American name for the tree (tribal totem), made by Scopoli in formally describing the genus)
Unabridged references: [Ness 2003 Oecologia 134:210–218]

Key to 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].
We encourage links to these pages, but the content may not be downloaded for reposting, repackaging, redistributing, or sale in any form, without written permission from The Jepson Herbarium.