Meiogyne cylindrocarpa (Burck) Heusden, Blumea 38(2): 499 (1994)

(Latin for 'cylinder shaped fruits')

Guamia mariannae (Saff.) Merr.
Mitrephora cylindrocarpa Burck in Lorentz
Oncodostigma wilsonii Guillaumin
Papualthia mariannae Saff.
Polyalthia mariannae (Saff.) Merr.
Polyaulax cylindrocarpa (Burck) Backer

A small tree up to 20 m tall and 30 cm dbh. Leaves alternate, simple, 3.5-5.5 x 1.5-2.5 cm. Oil dots visible with a lens. Twig bark strong and fibrous when stripped. Buds and young shoots clothed in cream or pale brown hairs. Inflorescence 1-4 flowered, appear terminal or axillary, solitary. Flowers 12-13 mm across, white-yellow. Bracts 3-5, about 0.7-2 x 0.8-1.4 mm. Pedicels about 4-7 mm long, pubescent. Sepals depressed ovate to ovate, about 1-3 x 1-3.5 mm, pubescent outside, glabrous inside. Petals slightly imbricate or valvate at the apex, spreading, narrowly to broadly (triangular-)ovate to elliptic. Outer 3 petals about 5-22 x 3-8 mm wide. Inner 3 petals about 5-16 x 3-6.5 mm, pubescent on both sides. Stamens ca. 28, about 1.2-2 mm long, apex shield-like, elongated in the inner whorl. Ovaries 2-14, densely hairy. Ovules 6 or 7 per ovary. Stigma globose to discoid or to oblong-obovoid, fleshy, sparsely hairy or glabrous. Fruiting carpels 5-10 per fruit, bright red when ripe, each about 12-40 mm long, sausage-shaped and clothed in short velvety hairs. Seeds about 7-9 x 4-6 mm, 1-3 per fruiting carpel.

Altitudinal range from near sea level to 300 m. Grows in the drier types of rain forest and in monsoon forest. Red sands and clays, laterite, limestone, sandstone, basalt. Around rocky sites, creek beds, deep gorges. Food plant for the larval stages of the Green Spotted Triangle Butterfly (Australia).

Sumatra, Java, Borneo to New Guinea, western Pacifc and Northern Australia.

Local names