Comprehensive Description
provided by North American Flora
Spiraea hartwegiana Rydberg
spiraea parvifolia Benth. PI. Hartw. Z^. 1840. Not 5. parvifolia Raf. 1838.
A small shrub, 9-12 dm. high ; bark of the twigs chestnut-brown, glabrous, shining ; buds glabrous ; leaf-blades oblanceolate or linear-cuneate, rather crowded, 7-15 mm. long, 2-3
15. S. roseola.
16. S. pyramidala.
21. 5*. subcanescens . mm. wide, entire, thick, dark-green, mucronate ; inflorescence racemose, 1-2 cm. long; bracts linear, 1-3 mm. long; pedicels about 2 mm. long; hypanthium turbinate, glabrous, about 1.5 mm. high; sepals triangular, acute, about 1 mm, long, valvate in aestivation; petals white, obovate, about 2 mm. long; stamens 15-20; filaments subulate, half as long as the petals; pistils usually 3; follicles obovoid, apiculate, 2-2.5 mm. long, glabrous; seeds about 4. linear-lanceolate, acute at both ends.
Type locality : Puenta del Dio, Mexico. Distribution : Known only from the type locality.
- 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
