Tricyrtis 油點草屬
型態特徵
Perennial herbs; rhizome elongate, creeping, sometimes with stolons; stem erect or ascending, branched upward, glabrous to pubescent. Leaves simple, alternate, sessile to petiolate, sometimes base cordate, glabrous to pubescent, margins entire, ciliate. Flowers somewhat showy, white to yellow, often red or reddish purple spots; solitary in racemes or corymbos, terminal to axillary; pedicel articulate or not, bracteate; perianth widely campanulate to funnel shaped; segments 6 in 2 series; outer tepals usually saccate at base; inner tepals flat or gibbous at base; stamens 6, attached at base of perianth; filaments cohering into a tube below, spreading above; anthers dorsifixed, extrorse; ovary cylindric, erect, 3-celled, ovules many per cell; style 3-fid; arms 2-fid. Fruit a capsule, linear to linear-cylindric, triquetrous, septicidal; seeds numerous, compressed, round, brown, reticulate. Basic chromosome number X = 13.
More than 10 species, mainly in mainland China, India, the Himalaya and Japan. Taiwan, 2 species and 3 varieties.
