Guioa aryterifolia

Primary tabs

Guioa aryterifolia


Shrub to tree, 5-20 m high, dbh up to 45 cm; Branchlets usually sericeous when young; Leaves 2-4-jugate; Inflorescences axillary to ramiflorous, unbranched to branching basally and especially along the terete, sericeous, glabrescent, 3-13 cm long axis; Flowers c. 3.2 mm in diam., sweet, faintly fragrant. Sepals 5, ovate, margin pilose, with glands, (outside sparsely pilose), inside glabrous; Petals 5, obovate, 1.8-1.9 by 0.6-0.9 mm, white; Stamens 8; Fruits with 1-3 well developed lobes, 1.3-1.6 by 1.6-3.3 cm, rough to slightly rugose or ribbed, glabrous, black when dry; Seeds globose to obovoid, c. 10 by 7 mm;


Asia-Tropical, Central Prov present, Papua New Guinea present
Malesia: Papua New Guinea (Central Prov.).


This species is part of the G. rigidiuscu- la -complex. The species can be distinguished by the venation with hardly joined nerves; the uninterrupted disc; the fruits with a short slender stipe, a thin wall, and lobes which are longer than high and which spread widely.


Welzen 1989: p. 177. – In: Leiden Bot. Series: f. 65
Streimann 1983: Pl. Upper Watut Watershed: 169
P. Royen 1964: p. 24. – In: Man. For. Trees Papua & New Guinea: f. 11
Radlk. 1921 – In: Bot. Jahrb.: 282
Baker 1923 – In: Rendle, J. Bot. 61: 11
Radlk. 1933 – In: Engl., Pllanzenr. 98: 1174