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International Dendrology Society

Ptelea baldwinii Torr. & Gr.

Modern name

Ptelea baldwinii Torr. & A. Gray

This species, described from Florida, is represented in cultivation by the following Californian variety:

var. crenulata (Greene) Jeps. P. crenulata Greene Western Hop Tree. – A deciduous shrub or small tree up to 15 ft high, with trifoliolate leaves much smaller than those of P. trifoliata. Leaflets 11⁄4 to 21⁄2 in. long, narrowly ovate to narrowly obovate, the terminal one the longest, downy beneath, entire or more or less crenately toothed. Flowers in small terminal corymbs. Fruits about 1⁄2 in. across. It differs from P. trifoliata in its narrower leaves, larger flowers, and narrow fruit-wing. Introduced to Kew in 1893. Not so notable a plant as its eastern ally.

Genus

Ptelea

Other species in the genus

Modern name

Some names used by Bean have now been superseded and are no longer familiar. To ensure that all plants can be easily found, under any name, we have cross-referenced to The Plant List, a collaboration between RBG Kew, Missouri Botanical Gardens and other organisations, which aims to provide a currently accepted name for any plant. Not all taxonomists will agree with all Plant List nomenclature, but it provides a baseline to compare names. For each species above, clicking on the Modern Name will link to the entry for that name on The Plant List website.

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