头状八宝 tou zhuang ba bao

Sedum subcapitatum Hayata, Icon. Pl. Formos. 3: 112. 1913.

Stem erect, ca. 14 cm, quadrangular-cylindric. Leaves alternate; pseudopetiole 1-2 mm; leaf blade straw-colored when dry, obovate-orbicular to oblong, 2.4-2.8 × 1.2-2 cm, veins 3, base abruptly narrowed, margin irregularly dentate to subentire, apex rounded. Cyme umbel-like, forming a dense head; pedicels ca. 2 mm. Sepals linear, ca. 1.3 mm, apex obtuse. Petals oblong, 3.5-4 × ca. 1.5 mm, base slightly narrowed, apex acute. Stamens equaling petals. Nectar scales oblong, 0.6-0.7 mm, apex emarginate. Carpels free, lanceolate-fusiform, ca. 3 mm, apex acute. Styles ± curved, ca. 1 mm. Seeds obovoid-fusiform, ca. 1.3 mm, minutely reticulate veined, narrowly winged at apex. Fl. Jul, fr. Sep-Oct.

* Alpine summits; 3000-3900 m. Taiwan.