Comprehensive Description
(
الإنجليزية
)
المقدمة من North American Flora
Dryas tomentosa Farr, Ottawa Nat. 20: 110. 1906
Densely cespitose perennial, with tufted caudex; petioles 5-20 mm. long; leaf-blades obovate or elliptic, 1-2 cm. long, coarsely crenate, acute at the base, rounded at the apex, tomentose on both sides, grayish-green above, white beneath; scape 5-10 cm. long, densely white-tomentose ; calyx and hypanthium densely tomentose; sepals ovate, 5 mm. long; petals yellow, spatulate, 8 mm. long.
Type locality: Pass leading from Emerald Lake into the Yoho Valley. Distribution: Canadian Rockies.
- الاقتباس الببليوغرافي
- Per Axel Rydberg. 1913. ROSACEAE (pars). North American flora. vol 22(5). New York Botanical Garden, New York, NY
