Comprehensive Description
provided by North American Flora
Opulaster glabratus Rydb. Bull. Torrey Club 31 : 559. 1904
A shrub, about 1 m. high; branches yellowish or reddish, glabrous; petioles 1-2 cm. long ; leaf-blades rounded-ovate, orbicular, or sometimes slightly reniform, 2-3 cm. long, glabrous, slightly paler beneatli, 3~5-lobed, doubly crenate, obtuse or rounded at the apex, truncate or cordate at the base; corymb rather small; bracts small, lanceolate, caducous ; pedicels 1-1.5 cm. long, glabrous; hypanthium 3.5-4 mm. wide, almost glabrous; sepals oval or rounded-ovate, obtuse, sparingly stellate without (mostly near the margin) and densely so within, about 3 mm. long; petals rounded-ovate, about 4 mm. long, pink or white ; follicles 2, united to above the middle, densely stellate ; seeds nearly 2 mm. long, pear-shaped, slightly oblique ; caruncle elongate.
Type locality: West Spanish Peak, Colorado. Distribution : Mountains of Colorado.
- 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