Aspidistra tubiflora Tillich – Feddes Repert. 117(1-2): 141. (2006).
Vietnam, Prov. Cao Bang, Municipality Quang Vinh, about 21 km N of Cao Bang town; 22°51′ N 106°14′ E, 650–800 m, 09. Dec. 1998. L. Averyanov et al. CBL 981 (MO 04966293).
Isotype: Beijing (Peking), Academia Sinica, Institute of Botany, Herbarium (PE).
Vietnam: Cao Bang province.
Flowers in November–December in nature.
Rhizome creeping, epigeous; Petiole ca. 15 cm; Lamina narrow lanceolate to nearly lineate, 60–70 × 2.7 cm, base narrow cuneate, very gradually tapered to petiole, green, with ca. 20 parallel secondary veins at each side of midvein, with scattered anastomoses; midvein inconspicuous on upper surface, prominent on lower surface; Peduncle 4–8 cm, decumbent, cataphylls small, ovate, 2–3 distantly along the peduncle and 2 close to flower; Perigone tubular with 6 narrow lineate lobes, tube 2.5 cm long, basally widened, ∅ 12–15 mm, upper half cylindrical, ∅ 8–9 mm, lobes 11–12 × 2 mm, adaxially with two keels running to base of tube; Stamina 6, at base of tube, filaments 4 mm long, their bases broadly triangular, in contact to each other and to base of ovar, anthers 1 mm long, incurved to style base; Pistil 10 mm long, ovar conical, ∅ basally 4–5 mm, 4 mm high, finely furrowed, style ca. 3 mm, stigma funnel-shaped (?) or trilobed, ∅ ca. 4 mm.
Tillich (2006) – Feddes Repert. 117(1-2): 139–145.