Tricyrtis formosana Baker var. stolonifera (Matsumura) Masamune.

Rhizome creeping, long. Stem erect, flexuous distally, 40--60 cm, pubescent. Leaves elliptic, 6--12 × 3--4 cm, abaxially ± pubescent, especially along veins, base narrowed, slightly cuneate. Cymes terminal, laxly 3--5-flowered; pedicels 2.5--3 cm, softly pubescent. Flowers trumpet-shaped. Tepals light purple, with purple spots, often whitish yellow at base, ca. 2.2 cm; outer ones subovate; inner ones linear. Stamens subequaling tepals; filaments often with purplish spots, slender. Ovary ca. 1.5 cm, glabrous. Style shorter than stigmatic lobes. Capsule glabrous. Fl. and fr. Jun--Jul. 2 n = 24*, 26*.

No specimens have been seen by the present authors.

* Thickets, roadsides. Taiwan.