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BIGNONIACEAE TRUMPET-CREEPER FAMILY

Lúcia G. Lohmann

Shrub, tree [woody vine]; nectaries often on stem, leaf, calyx, ovary. Leaf: generally 1–3-pinnate or -palmate (or simple), generally opposite or whorled. Flower: bisexual, showy; calyx generally 5-lobed, 2-lipped or not; corolla funnel- or bell-shaped, 5-lobed, generally 2-lipped; stamens epipetalous, generally 4, paired, a 5th vestigial (a staminode) [or 0]; ovary superior, chambers generally 2, placentas 4, axile (or chamber 1, placentas 2–4, parietal), style long, stigma 2-lobed. Fruit: generally capsule, long, cylindric to ± round, sometimes flat, 2-valved. Seed: many, flat, generally winged.
81 genera, 827 species: generally tropics, especially South America; many ornamental (Campsis, trumpet creeper; Catalpa; Jacaranda). [Alcantara & Lohmann 2010 Amer J Bot 97:782–795] —Scientific Editor: Thomas J. Rosatti.
Unabridged references: [Lohmann, L. G. 2006 Untangling the phylogeny of neotropical lianas (Bignonieae, Bignoniaceae). American J Bot 93:304–318; Lohmann, L. G. & C.U. Ulloa 2006 http://www.iplants.org/]

Key to Bignoniaceae

CATALPA SOUTHERN CATALPA
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.
2n=40.
10 species: temperate North America, eastern Asia. (Muscogee: winged head, for corolla)
Unabridged etymology: (Muscogee: kut├║hlpa, winged head, for corolla; corrupted to "Cataba" and "Catawba" based on erroneous attribution to a different tribe of Native Americans; both "Caltalpah" and "Catalpa" used by Catesby, who introduced the plant to England in 1726; Linnaeus published Bignonia catalpa in 1753; Scopoli established the genus Catalpa in 1777)
Unabridged references: [Ness 2003 Oecologia 134:210–218]

Key to Catalpa

Previous taxon: Campsis radicans
Next taxon: Catalpa bignonioides

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Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Mar 6 2015
Citation for this treatment: [Author of taxon treatment] 2013. Catalpa, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=10502, accessed on Mar 6 2015

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