| − | Polygonum amplexicaule, Don (P. oxyphyllum, Wall. P. multiflorum. Hort.). Mountain Fleece. Strong-growing tufted green-stemmed perennial with slender fl.-sts. 2-3 ft. tall from a woody branching rootstock: lvs. cordate-ovate to cordate-lanceolate, short-petioled or clasping, the margin wavy and crenulate, long- acuminate; sheaths 1-2 in. long and split or lacerate: fls. rose-red or white, rather large (sometimes l/4 in. diam.) in strict long-peduncled spikes 2-6 in. long, the stamens 8 and exserted, the achene trigonous. Himalaya, from 6,000-13,000 ft. altitude. B.R. 25:46. B.M. 6500.—An excellent border perennial, blooming in midsummer. Some, at least, of the plants that have been cult, as mountain fleece are a native polygonum (P. Muhlenbergii), which grows nearly throughout N. Amer. including Mex. Var. speciosum, Hook. f. (P. speciosum, Wall.), has larger deep purplish redor claret- colored fls.
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