Sedum sarmentosum, alias: Sedum sarmentosum, Sargassum fusiforme, Sedum sarmentosum, Sedum sarmentosum, Latin scientific name: Sagina japonica (Sw. )Ohwi。 It belongs to panicum miliaceum of Dianthus and Sedum, with a height of 5-20cm and sparse glandular hairs on the upper part. The stems are clustered and slightly scattered. Leaf blade linear, apex acute, glabrous. Flowers are small and have solitary branches; Pedicel thin, capsule ovoid, slightly longer than persistent calyx, 5-valved; The seeds are thin, round and kidney-shaped, slightly flat and brown, with pointed tumor-like protrusions on the surface. The flowering period is from March to May, and the fruiting period is from May to June.