Aspidistra attenuata Hayata – Icon. Pl. Formosan. 2: 145. (1912)
Formosa. Mt. Arishan, January 1912, leg. B. Hayata & S. Sasaki s.n. (holotype: TI)
Flowers in October–January in nature.
Perennial herb with thickened and creeping rhizomes; rhizome elongate, subterete, horizontal thickened, 1.5–2.0 cm thick, nodes dense. Leaves simple, glabrous; petiole elongate, 10–70 cm; blade oblanceolate, oblique, 55–103 cm × 8.2–10.5 cm, sometimes with yellowish white spots. Peduncle erect, 0.3–6 cm; bracts 6–10, ovate-deltoid, imbricated. Flowers solitary, bisexual. Perigone fleshy, purple or yellowish white, 6–8(–10)-lobed apically, campanulate or urceolate-campanulate, ~2.6 cm long, 3.5–4.0 cm in diameter; lobes acute, reflexed, thickened, papillose adaxially, 7–25 mm × 5–10 mm, usually in 2 whorls, inner whorl narrower; lobes adaxially 2- to 3-keeled, keels fleshy, papillose; segments basally expanded inward forming subulate appendages, ~3.0 mm; apex usually reflex. Stamens as many as and opposite perianth lobes, nearly inserted below middle of perianth tube, subsessile; anthers dorsifixed, longitudinal dehiscence, oblong, 2.2–4.0 mm × 0.7–1.0 mm. Pistil funnel-shaped, 8.5–12 mm; ovary 1.5–2.2 mm long, 3- or 4-loculed, axile placenta, ovules 5–7 per locule; style short, ~2 mm; stigma large, peltate, 6–13 mm in diameter, concave, obpyramid, 3- or 4-lobed at margin, adaxial color same as perianth. Fruit a berry, tuberculate, 2–4 cm in diameter; seeds 1 to several, rounded to reniform, ca. 1 cm.
Lu et al. (2020). – Taiwania 65(3): 277‒285.