《中国植物志》|| 茄科 SOLANACEAE ||直立系 Ser. 1. Erectae Bitter ||单果红丝线 Lycianthes solitaria C. Y. Wu & A. M. Lu

2.单果红丝线 图版32: 2-4
Lycianthes solitaria C. Y. Wu et A. M. Lu, ex Wu et Huang, 植物分类学报, 16 (2)76. 1978.
草本至亚灌木，小枝、叶柄及果柄均被柔毛及2分叉的星状柔毛，上部叶假双生，大小不相等，纸质、全缘，大叶片长1.5-3.5厘米，宽1-2.5厘米，叶柄长2.5-5毫米；小叶片长0.8-2厘米，宽0.8-1.5厘米，叶柄长1.5-3毫米，大小两种叶的叶片均卵形，先端短渐尖，基部圆形至宽楔形，叶面被疏柔毛，背面密被柔毛及2分叉的星状柔毛，侧脉每边4-5条。花未见。果序无总梗，常1枚着生于双生叶叶腋内，果柄通常长0.7-1厘米，浆果球状，直径约7-8毫米，萼齿10枚，钻状线形，长约1-1.5毫米，被有与果柄相同的毛被，种子多数，淡黄色，三角状肾形，水平压扁，约2×1.5毫米，外面有细小的网纹。果期秋季。
产我国西藏察偶，海拔1700米的沟边常绿林下。

《Flora of China》|| Solanaceae || Lycianthes ||单果红丝线 Lycianthes solitaria

10. Lycianthes solitaria C. Y. Wu & A. M. Lu, Acta Phytotax. Sin. 16(2): 76. 1978.

单果红丝线 dan guo hong si xian

Herbs or subshrubs; pubescence of villous simple hairs mixed with 2-branched hairs. Branchlets, petiole, and fruiting pedicel villous. Leaves unequal paired; petiole 2.5-5 mm; blade of major leaf ovate, 1.5-3.5 × 1-2.5 cm, sparsely pubescent adaxially, densely pubescent abaxially, base rounded or cuneate, apex acute; blade of minor leaf 0.8-2 × 0.8-1.5 cm. Flowers not seen. Berry solitary in leaf axils, red, 7-8(-10) mm in diam. Fruiting calyx teeth 10, linear-subulate, 1-1.5 mm. Seeds pale yellow, deltate-reniform, 2 × 1.2 mm. Fl. Jul, fr. Sep-Nov.

* Near ditches in evergreen forests; ca. 1700 m. Xizang (Zayü Xian)

This species is known only from the type.