Australian Tropical Rainforest Plants - Online edition

Diospyros uvida Jessup


Shrub (woody or herbaceous, 1-6 m tall)
Tree
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H. female flower; I. dissected female corolla; J. stamens from male flower; K. fruit. © Queensland Government
Scale bar 10mm. © CSIRO
Family

Jessup, L.W. (2014), A taxonomic revision of Diospyros L. (Ebenaceae) in Australia. Austrobaileya 9(2): 163-164. Type: Queensland. Cook District: Opposite Burton's dairy farm, end of Towalla Road, SE of Malanda, 29 October 2003, A. Ford 4188 & J. Holmes.

Stem

Tree to 10 m, often flowering as a shrub. Subrhytidome black. Cambial layer turns dark brown to almost black.

Leaves

Leaf blades about 6-12 x 2.5-6.5 cm. Glands few or if several, then not confined to basal half of lamina. Secondary veins mostly 5-9 pairs. Lower surface of the leaf blade much paler green than the upper surface. Leaves with a drip tip.

Flowers

Male inflorescence axes 3-10 mm long, branched or not, few or multiple axes in a leaf axil, up to 6 flowers maturing together; calyx tube 2.5 mm, lobes 4 ca. 0.5-0.7 mm long; corolla tube 7-7.5 mm long, lobes 4 ca. 4.3-4.7 mm long; stamens 9 (2+2+3+2), basal part connate for 1 mm; pistillode ca. 0.8 mm long. Female flowers solitary; calyx tube 3.5-4 mm long, lobes 4 ca. 9-11 mm long; corolla tube 4-5 mm long, lobes 4 ca. 9-10.5 mm long, recurved at anthesis; staminodes 7 or 8; ovary densely hairy with white or pale brown appressed hairs, 8-locular, style 2-2.5 mm long.

Fruit

Fruit solitary, globose, 22-25 mm diameter; sparsely hairy with appressed white or pale brown hairs. Calyx lobes recurved, persistent at the base of the fruit. Seeds 2-8, about 13-15 mm long, embryo about 7 mm long. Cotyledons as long as but wider than the radicle.

Seedlings

Features not available.

Distribution and Ecology

Endemic to NEQ, known only from Mt Sorrow near Cape Tribulation to near Julatten and also in Wooroonooran National Park and adjacent areas on the Atherton Tableland. Altitudinal range, collected from 220-1040 m. Grows in well developed rain forest.

Synonyms

Diospyros sp. Swipers LA (B.Hyland 1984RFK) [Provisional Phrase Name].

RFK Code
1068
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