Australian Tropical Rainforest Plants banner
  • Species information
  • About
  • Resources
  • Home
banner
ABCDEFGHIJKLMNOPQRSTUVWXYZ

Diospyros geminata

Family

Ebenaceae

Botanical Name

Diospyros geminata (R.Br.) F.Muell.

Mueller, F.J.H. von (1867) Intercolonial Exhibition Essays, 1866-67, No. 5. Australian Vegetation: 35. Type: ?.

Synonyms

Ebenus geminata (R.Br.) Kuntze, Revisio Generum Plantarum 2: 408(1891), Type: ?. Diospyros ferrea var. geminata (R.Br.) Bakh., Bulletin du Jardin Botanique de Buitenzorg Series 3 15: 58(1937), Type: ?. Maba geminata R.Br., Prodromus Florae Novae Hollandiae: 527(1810), Type: v.v.; Northern Australia, R. Brown.

Stem

Can grow into a small tree but also flowers and fruits as a shrub.

Leaves

Leaf blades about 6-9.5 x 2-5 cm. Lateral veins forming rather irregular loops inside the blade margin. Oil dots numerous, small, visible with a lens. Petioles pink or reddish.

Flowers

Inflorescence a short panicle. Male flowers: Flowers about 3-5 mm long. Calyx tube about 2.5-5 mm long, lobes about 1 mm long, clothed in short prostrate hairs. Corolla tube about 4-5 mm long, lobes about 2 mm long, densely hairy on the outer surface with long silky prostrate hairs on the upper half. Stamens nine (six in the outer whorl and three in the inner whorl). Anthers about 1-1.5 mm long. Rudimentary ovary hairy. Female flower features not available.

Fruit

Fruit about 8 mm diam. Testa mottled brown and green. Endosperm oily.

Seedlings

Cotyledons thick and leathery, ovate-elliptic, broadly ovate to orbicular, about 12-21 x 10-15 mm. Oil dots visible with a lens when viewed from the upper surface. One small hairy cataphyll often produced just above the cotyledons. First pair of leaves alternate, elliptic to obovate, margins smooth. At the tenth leaf stage: leaf blade obovate to elliptic, apex obtuse, base cuneate; the stem and terminal bud clothed in brown prostrate, medifixed hairs. Cataphylls sometimes present among the leaves. Roots black.

Distribution and Ecology

Occurs in NT, CYP, NEQ and southwards as far as south-eastern Queensland. Altitudinal range in northern Australia from near sea level to 700 m. Grows in monsoon forest, vine thickets, gallery forest and some of the drier types of rain forest. Also occurs in New Guinea.

NT

X

CYP

X

NEQ

X

Tree

X

RFK Code

1093