Sedum triangulisepalum T. S. Liu & N. J. Chung; S. truncatistigmum T. S. Liu & N. J. Chung.

Herbs ?perennial. Stems erect or ascending, 10-20 cm, base prostrate and rooting at nodes, apex few branched. Leaves alternate, sessile, narrowly elliptic to oblanceolate, 1-4 × 0.4-1 cm, base attenuate, apex obtuse to rounded. Cyme divaricately branched; bracts lanceolate-linear, ca. 1.5 mm, apex obtuse. Flowers sessile, unequally 5-merous. Sepals triangular, subequal, 1.5-2 × 0.5-1.8 mm, connate to at least middle, apex obtuse. Petals yellow, equal, linear-lanceolate, ca. 6 × 2 mm, apex acuminate. Stamens 10, 3-5 mm; anthers yellow, locules extrorse. Nectar scales opposite carpels, ca. 1.2 × 1.2 mm, apex retuse. Carpels ca. 5 mm, base connate for ca. 2 mm. Styles 1.5-2 mm. Follicles ca. 7 mm, leathery, many seeded. Fl. Jul-Aug.

* Alpine zone; 1700-3000 m. NC Taiwan.