Veratrum formosanum f. albiflorum (Masamune) Masamune; V. formosanum var. albiflorum Masamune; V. kudoi Masamune.

Plants stout, to more than 30 cm tall, basally usually with blackish, reticulate fibers formed from disintegrated sheaths. Leaves sessile, basally somewhat clasping; leaf blade linear-lanceolate, 12--20 × 1--2 cm, glabrous. Panicle many flowered; rachis densely woolly; bracts deltoid-lanceolate, 0.5--1.5 cm, glabrous. Pedicel 1--1.5 cm, densely woolly. Tepals dark purple, rarely white, oblanceolate, 1--1.5 cm × 2--3 mm, glabrous, base slightly cuneate. Ovary glabrous. Capsule ca. 2 × 1.3 cm. Seeds ca. 8 mm, winged. Fl. and fr. Aug. 2 n = 16*.

This description follows that by Liu and Ying (in Li et al., Fl. Taiwan 5: 84. 1978).

* Grasslands, open dry places on mountains. Taiwan.