Dichotomanthes is a monotypic genus of flowering plants belonging to the family Rosaceae. The sole species is Dichotomanthes tristaniaecarpa. The flower is perigynous (sepals, petals and stamens around the edge of the ovary) the ovary is superior. The fruit of the plant is a dry achene.
It is a small tree shrub, which reaches a size of 2âÂÂ7 m in height. Gray-brown to grayish-brown beds when they are old; ovoid buds, initially tomentose, gradually glabrescent, apex obtuse or acute. Petiole 4âÂÂ6 mm thick, thickly tomentose yellowish white; stipules deciduous, filiform, limb elliptic to oblong-lanceolate, sometimes obovate or oblanceolate, 3âÂÂ6 à1.5âÂÂ2.5 cm, with lateral veins in 7âÂÂ12 pairs, the underside densely tomentose yellowish white. The inflorescences of 2âÂÂ5 à3âÂÂ6 mm, rachis and peduncles tomentose yellowish white; deciduous, lanceolate, membranous bracts. Pedicel 1âÂÂ3 mm. Flowers 5âÂÂ9 mm in diameter. White petals, 3âÂÂ4 mm. Red, cylindrical fruit of 5âÂÂ7 mm, hard. Flowers from April to May, Fruits from August to November.
It is found in mixed evergreen forests, on the forest edges and hillsides, at elevations of 1300 â 2500 meters in Sichuan and Yunnan provinces of China.