Pericampylus glaucus (Lam.) Merr., Interpr. Herb. Amboin. 219 219 (1917)

Name meaning 'blue-greenish or whitish', referring to the lower leaf surface.

Synonyms
Menispermum glaucum Lam.
Pericampylus formosanus Diels
Pericampylus incanus (Colebr.) Miers
Pericampylus omeiensis W.Y. Lien
Pericampylus trinervatus Yamam.

Description
Woody vines to 10 m or longer. Old stems glabrescent; young stems often long and pendulous, usually yellowish tomentose, striate. Petiole 3-7 cm, tomentose; leaf blade triangular-ovate to triangular-oblong, length and width 3.5-8(-10) cm, papery to thinly leathery, both surfaces tomentose or adaxially sparsely pubescent to glabrescent, rarely both surfaces glabrous, base subtruncate to cordate, rarely broadly cuneate, margin crenate or subentire, apex obtuse or rounded, rarely mucronate, apiculate, palmately (3-)5-veined, reticulation conspicuous. Inflorescences corymbose cymes, 2-10 cm, tomentose. Male flowers: sepals 9, pubescent abaxially, outer 3 narrow, ca. 0.5 mm, middle 3 oblanceolate, 1-1.5 mm, inner 3 slightly broad; petals 6, cuneate or sometimes spatulate, 0.5-0.7 mm, margin involute; stamens 6, filaments free or adnate, ca. 0.75 mm. Female flowers: sepals and petals as in male flowers; staminodes 6; ovary 0.5-0.7 mm, stigma 2-lobed. Drupes red or purple; endocarp 5-6 mm in diam. (Flora of China]

Ecology
Forests, forest margins, shrublands; ca. 700 m (up to nearly 1300 m in Thailand).

Uses

Distribution
From India and Southern China into Indochina and Indonesia.

Local names
English: Broad-leaved moonseed.
Indonesia: Areuy geureung (Sundanese), celuru (Javanese), akar gamat (Moluccas).
Malaysia: Gasing gasing, kelempenang (Peninsular), taworuk (Kudat, Sabah).
Philippines: Silong pugo (Tagalog), botang botang (Cebu Bisaya), pamago (Bikol).
Thailand: Salit hom kha (Northern), yan tap tao (Peninsular).
Vietnam: Ch[aa]u d[ar]o, d[aa]y l[ox]i ti[eef]n.