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FOC | Family List | FOC Vol. 23 | Araceae | Rhaphidophora

7. Rhaphidophora luchunensis H. Li, Acta Phytotax. Sin. 15(2): 103. 1977.

绿春崖角藤 lü chun ya jiao teng

Lianas. Juvenile stems dark green, rooting, creeping on humus soil of forest understories or over bark mosses on trees, back rounded, moniliform or torulose, internodes thickened, 10-20 × 5-7 mm. Petiole 20-25 cm; sheath caducous, membranous; pulvinus ca. 10 mm; leaf blade light green abaxially, green adaxially, black-brown when dry, ovate or ovate-lanceolate, 10-27 × 5-12 cm, subleathery, base obliquely rounded, apex acuminate or caudate, unequally pinnately lobed; pinnae 2 or 3 on each side, or only on 1 side and other side entire, sinuses reaching to 2-3 cm from midrib, sometimes on mature branches some leaf blades pinnately lobed and others entire, or all leaf blades entire; lateral veins 9 or 10 on each side of midrib, ascending obliquely. Inflorescence nearly terminal; peduncle erect, green, robust, 12-14 cm. Spathe early caducous, spreading, light yellow-green, ovate, 14-16 cm. Spadix sessile, pale yellow, cylindric, 12-13 × 2-3 cm, base oblique, apex obtuse. Flowers bisexual. Stamens 4; anthers sessile. Ovary green-white, pentagonal-cylindric, ca. 8 × 4 mm, apex truncate; ovules oblong, with slender funicle, parietal; stigma sessile, yellow-brown, oblong. Berry free, juicy, orange, apex yellow-green, obconic, ca. 6 × 4 mm, 4-6-angulate. Fl. Sep-Nov, fr. next Jun-Jul.

● Evergreen forests, mossy forests, on large trees; 1700-2500 m. SE Xizang (Mêdog), Yunnan.


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