aSPIDISTRA sPECIES

Aspidistra yizhouensis

Name:

Aspidistra yizhouensis B.Pan & C.R.Lin – Phytotaxa 246(1): 85. (2016).

Holotype:

 

China. Guangxi Zhuang Autonomous Region, Yizhou City, limestone mountains, rare, elev. 210 m, 24°32′51″N, 108°17′6″E, 20 May 2015, Bo Pan P253 (holotype: IBK; isotype: IBK).

Distribution:

China: Guangxi.

Phenology:

Flowers in May–June in cultivation.

Description

from 

protologue:

 

 

 

 

 

 

 

 

Herbs perennial, evergreen, rhizomatous. Rhizome creeping, subterete, 8–10 mm thick, covered with scales, nodes dense. Sheathing leaves 4–5, purple-red, 1–8cm long, enveloping base of petiole, becoming black-brown when dry. Leaves solitary, ca. 1 cm apart; petiole stiff upright, 6–12 cm long, 3–4 mm thick, adaxially sulcate; leaf blade usually oblong, 19–23 cm long, 5–6.5 cm wide, dark green, base cuneate, inequilateral, apex acuminate, margin entire. Peduncle purplish red, decumbent or declining, 2–3 cm long, with 5–6 bracts, bracts gradually wider from base to top of peduncle, the two bracts at base of perianth broadly ovate-cucullated, purplish red, 6–8 mm long, 5–6 mm wide, apex subobtuse. Flowers solitary, numerous; perianth urceolate, 13–15 mm long, fleshy, dark purplish red outside; lobes 6, usually explanate, ovate, 5–6 mm long, 4–5 mm wide at base, obtuse at apex, adaxially yellow, and with 2 prominent keels from base to the bottom of perigone tube; tube 9–10 mm long, 15–18 mm in diameter, inside purplish red and verrucose. Stamens 6, opposite to lobes, inserted at the base of perianth tube, positioned lower than stigma, filaments horizontal, ca. 0.6 mm long, anthers ovate, pale yellow, 2–3 mm long and 1–1.5 mm wide. Pistil obconical, purplish red with yellow at base, ca. 6 mm long, ovary inconspicuous, stigma enlarged, glabrous, ca. 10 mm in diameter, upper surface shallowly convex and with 3 radial, bifurcate, yellow lines, slightly 6-lobed at margin, abaxially longitudinally 12-ridged.

Sourses:

Pan et al. (2016) – Phytotaxa 246(1): 85.

Gallery: