Raspberry (Male form) - rubus idaeus subsp. idaeus f. obtusifolius
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Species Description
A rare all-male form of Raspberry caused by a genetic mutation.
RUBI of GREAT BRITAIN and IRELAND:
forma obtusifolius (Willd.) W. Wats.; R. obtusifolius Willd. 1811, Berl. Baum 2. ed. 2, 409; R. idaeus var. anomalus Arrhen. 1840, Mon. Rub. Suec. 14; R. Leesii (Bab.) Ed. Lees in Steele, 1847, Handbk. Field Bot. 60; Syme, 1864, Eng. Bot. ed. 3, t. 443.
A unisexual male form; it has blunt sepals and blunt leaflets. Woods and commons, usually near houses. E., I., S., W. All Europe except the extreme north and south, becoming a mountain plant in the Mediterranean area.
FLORA of SOMERSET:
b. obtusifolius, Willd. (Leesii, Bab.). 2. "On a shingly bank near Bonniton, not far from Dunster, where it was detected by the Rev. W. H. Coleman in 1849." "Near Bonniton Wood, and in the woods along the Timberscombe road; " Miss Gifford.
The fruits of R. Leesii are generally abortive because the ovaries are usually imperfectly closed. Dr. Focke has very rarely found perfect fruits, and has raised from them plants in all respects resembling the parent. Europe; N. Africa; N. and W. Asia.
FLORA of SOMERSET SUPPLEMENT:
var. obtusifolius (Willd.). 2. Rev. W. Moyle Rogers has seen specimens from the Bonniton Station in Herb. Shrewsbury (Bloxam) and Herb. Mason.