Oldenburgia

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Oldenburgia >


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Read about Oldenburgia in the Standard Cyclopedia of Horticulture 

Oldenburgia (S. Oldenburg, a collector for Kew in 1772-3). Compositae. Three species of remarkable S. African stocky shrubs or subshrubs, with woolly rootstocks, and large solitary heads of purple corollas. They are not in general cult., but may be expected in some of the botanical collections: Lvs in a rosette, coriaceous and 1-nerved, very hairy underneath: fls. all perfect in the head, the outer ones radiate; scales of involucre linear, acuminate, not spiny: achene beak- less, with a pappus of many plumose bristles. O. Arbuscula, DC., has flowered in recent years in England (at Kew the plant was 3 ft. high and unbranched at 16 years): Lvs. crowded at ends of branches, obovate or oblong, to 18 in. long, at first white-woolly: fl.-heads often 1 ft. across, purple and white. B.M. 7942. G.C. III. 35:9. L. H. B.


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