长梗羽叶参 chang geng yu ye shen

Pentapanax fragrans (D. Don) T. D. Ha var. longipedunculatus (N. S. Bui) T. D. Ha.

Shrubs, presumably hermaphroditic. Leaves 1-pinnately compound; petiole 8-13 cm; terminal petiolule to 3 cm, lateral ones ca. 5 mm; leaflets 5-7, elliptic or ovate-lanceolate, 6-15 × 3-5.5 cm, papery or subleathery, secondary veins ca. 7 pairs, tertiary veins distinct, base rounded to obtuse, margin serrulate, apex acuminate. Inflorescence a terminal corymb of umbels, glabrous to pilose; primary axis very short, secondary axes 4-10 cm, each with a single terminal umbel of bisexual flowers; pedicels 1-1.5 cm. Ovary 5-carpellate; styles united into a column.

Dense forests; 1700-2300 m. SE Yunnan [Thailand, N Vietnam].

Wen (Cathaya 13-14: 75. 2002) did not recognize this taxon as distinct from Pentapanax fragrans (for which the correct name when treated in the genus Aralia is A. leschenaultii).