Comprehensive Description
provided by North American Flora
Philadelphus argyrocalyx Wooton, Bull. Torrey Club 25 : 452. 1898
Philadelphus serpyllifolius var. A. Gray, PI. Wright. 2 : 64. 1853.
A shrub, 1-2 m. high, with slender ascending branches; bark of the young twigs brown and villous, of the previous season's growth also brown and exfoliating, and of the old stems gray and furrowed ; winter-buds enclosed in the bases of the petioles ; petioles 1-2 mm. long; leaf-blades oval or elliptic-oval, entire, 2-3.5 cm. long, 7-12 mm. broad, acute at both ends, sparingly strigose-hirsute or glabrate above, grayish strigose-hirsute beneath ; flowering branches with Z-A rather approximate pairs of leaves and 1-3 flowers ; pedicels and hypanthium white-villous ; sepals ovate, acute or short-acuminate, 4-6 mm. long, densely white-woolly ; petals obovate, retuse, 10-13 mm. long, white; stamens numerous ; styles short, united ; stigmas linear, slightly longer than the styles and more or less united ; capsule obovoid, about 1 cm. long.
Type locality : Eagle Creek, White Mountains, New Mexico. Distribution : Mountains of New Mexico.
- bibliographic citation
- John Kunkel SmaII, Per Axel Rydber, Nathaniel Lord Britton, Percy Wilson, Henry Hurd Rusby. 1905. ROSALES, PODOSTEMONACEAE, CRASSULACEAE, PENTHORACEAE and PARNASSIACEAE. North American flora. vol 22(2). New York Botanical Garden, New York, NY