Guioa rigidiuscula

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Guioa rigidiuscula


Shrub to tree, 2-15 m high, dbh 10-24 cm; Branchlets shortly sericeous when young; Leaves 1-4-jugate; Inflorescences ramiflorous (to axillary), unbranched to branching basally and along the terete, sericeous, 1-13.3 cm long axis; Flowers 3.5-4 mm in diam., slightly fragrant; Sepals 5, ovate, margin pilose, outside and inside glabrous, white; Petals 5, ovate to obovate, 1.5-4.2 by 0.7-1.6 mm, white; Stamens 8; Fruits with 1-3 well developed lobes, 1.1-2.9 by 1.1-3.5 cm, completely dehiscent, smooth to rugose to ru-gosely ribbed, glabrous, red when fresh, blackish when dry; Seeds obovoid, c. 8.7 by 5.2 mm;


Asia-Tropical: New Guinea (Irian Jaya present), Central present, E. Sepik present, Gulf Prov present, Jayapura present, Milne Bay present, Morobe present, Papua New Guinea present
Malesia: Irian Jaya (Jayapura); Papua New Guinea (E. Sepik, Morobe, Milne Bay, Central, Gulf Prov.).


Guioa rigidiuscula is part of the G. ri-gidiuscula-complQx. Typical are the elliptic, smooth leaflets with a single sac and the barely stipitate fruits with highly convex upper sutures.


Radlk. 1933 – In: Engl., Pflanzenr. 98: 1173
P. Royen 1964: p. 3. – In: Man. For. Trees Papua & New Guinea: f. lg
Rehder 1933 – In: J. Arnold Arbor. 14: 63
Baker 1923 – In: Rendle, J. Bot. 61: 11
Radlk. 1890 – In: Sitzungsber. Math.-Phys. CI. Konigl. Bayer. Akad. Wiss. München: 361
Radlk. 1879 – In: Sitzungsber. Math.-Phys. CI. Konigl. Bayer. Akad. Wiss. München: 614
K. Schum. & Laut. 1900: Fl. Schutzgeb. Südsee: 420
Laut. 1929 – In: Bot. Jahrb.: 555
Welzen 1989: p. 281. – In: Leiden Bot. Series: f. 120
Radlk. 1921 – In: Bot. Jahrb.: 282