1. Phedimus aizoon (Linnaeus) ’t Hart in H. ’t Hart and U. Eggli, Evol. Syst. Crassulaceae. 168. 1995.
Orpin aizoon
Sedum aizoon Linnaeus, Sp. Pl. 1: 430. 1753; S. kamtschaticum Fischer & C. A. Meyer subsp. ellacombeanum (Praeger) R. T. Clausen
Flowering stems erect, 1.5-5 dm. Leaves alternate; blade elliptic-lanceolate, 4-8 cm, margins not glandular, those of distal leaves irregularly serrate. Flowers: sepals linear to lanceolate, 3.5-4.5 mm, apex blunt; petals erect basally, widely spreading distally, yellow, oblong to elliptic-lanceolate, 7-9 mm, apex mucronate. Carpels connate basally, divergent in fruit.
Flowering summer. Open, rocky places, scrapes, old quarries; 0-300 m; introduced; Alta., Man., N.B., N.W.T., Ont., Que., Sask.; Iowa, Mass., Minn., N.H., N.J., N.Y., Pa.; e, n Asia.
