Guioa membranifolia

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Guioa membranifolia


Tree, 6-10 m high, dbh up to 10 cm; Branchlets shortly sericeous when young; Leaves 1-3-jugate; Inflorescences ramiflorous to axillary, branching basally and along the flattened to terete, sericeous, 1.9-12.3 cm long axis; Flowers 3.5-4 mm in diam., fragrant. Sepals 5, ovate, margin pilose, with glands, outside and inside glabrous; Petals 5, elliptic, 1.4-3 by 0.7-1.4 mm, white; Stamens 8; Fruits with 1-3 well de-veloped lobes, 1.4-2.4 by 1-3.6 cm, completely dehiscent, smooth to slightly rugose or ribbed, glabrous, red when fresh, black when dry; Seeds obovoid, 8.5-9.7 by 6.5-7.2 mm;


Asia-Tropical: Maluku (Maluku present); New Guinea (Irian Jaya present), Geelvinck Bay present, Halmahera present, Jayapura present, Morotai present, Vogelkop present
Malesia: Moluccas (Halmahera, Morotai); Irian Jaya (Vogelkop, Geelvinck Bay, Jayapura).


Guioa membranifolia is part of the G. rigidiuscula-complex. Typical for this species are the elliptic leaflets without papillae and hairs, but with a single sac. The fruit is always clearly stipitate and the upper margin of the lobes is at most slightly convex.


Radlk. 1933 – In: Engl., Pflanzenr. 98: 1174
Radlk. 1913: p. 573. – In: Rech, Denkschr. K. Ak. Wiss. M.-N. Kl. Wien 89: t. 6a, f. 11
Radlk. 1921 – In: Bot. Jahrb.: 282
Kanehira & Hatusi-ma 1947 – In: Bot. Mag. Tokyo: 77
Radlk. 1879 – In: Sitzungsber. Math.-Phys. CI. Königl. Bayer. Akad. Wiss. Miinchen: 614
Lauterb. 1929 – In: Bot. Jahrb.: 555
Welzen 1989: p. 232. – In: Leiden Bot. Series: f. 92