Sedum mairei Praeger.

Herbs annual, glabrous. Roots fibrous. Stems apically branched, suberect to ascending, 12-23 cm. Leaf blade obovate-oblong to suboblong, 3.5-7 × 2.6-8.5 mm, adaxially papillate-hairy, base shortly and obtusely spurred, apex obtuse. Cyme corymbiform, lax; bracts ovate-deltoid, longer than wide, spurred, apex acute. Flowers shortly pedicellate, equally or unequally 5-merous. Sepals obovate, 2.5-7 × 0.6-3 mm, base obtusely spurred, apex rounded. Petals broadly triangular, 3.5-5 × 1.2-2 mm, base subconnate, apex subacute. Stamens 5 or 10; antepetalous ones (when present) inserted ca. 1 mm from petal base. Nectar scales linear-spatulate; claw linear. Carpels erect, 4-4.5 mm, base connate for ca. 1 mm and wide, apically tapered; ovules many. Styles short. Seeds obovoid-oblong, 0.5-0.6 mm, mammillate. Fl. Aug-Sep, fr. Sep-Oct.

* Below 2500 m. NW Yunnan (Eryuan Xian).