Comprehensive Description
provided by North American Flora
Spiraea ulmifolia Scop. Fl. Carn. ed. 2. 1 : 349. 1772
spiraea chamaedryfoUa Jacq. Hort. Vind. 2 ; 66. 1772. Not 5. chamaedryfolia Iv. 1753.
A shrub, about 2 m. high ; bark of the young twigs light-brown or yellowish ; that of the previous season's growth rather dull, more or less exfoliating, and of the old stems brown ; petioles slender, 5-10 mm. long ; leaf-blades thin, oval or ovate, 3-5 cm. long, acute at both ends, sharply and more or less dOubly serrate, green on both sides, sparingly hairy or glabrous except the margins ; inflorescence a rather dense, rounded corymb ; pedicels 1.5-2 cm. long, glabrous; hypanthium campanulate, glabrous, fully 1.5 mm. deep ; sepals glabrous, nearly 2 mm. long, ovate, acute, in fruit more or less reflexed.; petals white, orbicular or rounded-ovate, about 5 mm. long ; follicles glabrous, oblong, about 3 mm. long, their beaks minute.
Type locality: Near Idria, Carniola, Austria.
Distribution : Austria-Hungary and Balkan Peninsula ; cultivated and occasionally escaped in the eastern states ; especially established in Connecticut.
- bibliographic citation
- Frederick Vernon Coville, Nathaniel Lord Britton, Henry Allan Gleason, John Kunkel Small, Charles Louis Pollard, Per Axel Rydberg. 1908. GROSSULARIACEAE, PLATANACEAE, CROSSOSOMATACEAE, CONNARACEAE, CALYCANTHACEAE, and ROSACEAE (pars). North American flora. vol 22(3). New York Botanical Garden, New York, NY
