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Carya -
by Gerry Moore
Not peer reviewed
Last modified: 06/15/2006
Nomenclature
Carya Nutt., Gen. N. Amer. Pl. 2: 220. 1818, nom. cons. TYPE: Not designated.
Scoria Raf., New York Med. Rep. hex. 2, 5: 352. 1808 (typographic error for Hicoria). Hicorius Raf., Fl. Ludov. 109. 1817, nom. rej. (also spelled “Hicoria,” “Hicorya”). TYPE: Unknown.
Key to the species of Carya
1. Buds sulfur-yellow; leaflets generally 9...Carya cordiformis
1. Buds brown;
leaflets generally 7 or less...2
2. Leaflets generally 7...3
2. Leaflets
generally 5...4
3. Leaflets, petioles, and rachises glabrous...Carya ovalis (included with Carya glabra by
some authorities)
3. Leaflets, petioles, and rachises pubescent...Carya tomentosa
4. Bark of mature trees smooth; husks of fruit 2-4 mm
thick...Carya glabra
4. Bark on
mature trees shaggy, exfoliating in large strips and plates; husks of fruit 4-8
mm thick...Carya ovata
List of Carya Species
- Carya cordiformis
- Carya glabra
- Carya laciniosa - excluded species
- Carya ovalis
- Carya ovata
- Carya tomentosa