Report from the Oak ICRA checklist
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Full Name: - Quercus petraea 'Cochleata'

Quercus petraea 'Cochleata' Hort. ex Kirchn. in E. Petzold & G. Kirchner, Arb. Muscav., 630 (1864) as "Q. sessiliflora cochleata Hort." Cultivar name has been accepted as Registered
Infrageneric Classification
Subgenus Quercus, Section Quercus
Description
H. J. Elwes & A. Henry, Trees of Great Britain & Ireland, 2: 292 (1907)
Natural Distribution
From cultivation
Illustration of Leaves
Image from a plant at the Sir Harold Hillier Gardens (UK) ©Jan De Langhe, Ghent University Botanical Garden, 2010
Main Horticultural References
(Krüssmann) Manual of Cultivated Broad-leaved Trees & Shrubs (in English) vol. 3 (1986) page 100
The New Royal Horticultural Society Dictionary of Gardening vol. 3 (1992) page 786
The Royal Horticultural Society Dictionary of Gardening, 2nd ed. vol. 4 (1956) page 1730 as Q. petraea var. cochleata
(Bean) Trees & Shrubs Hardy in the British Isles, 8th ed. vol. 3 (1976) page 500