Australian Tropical Rainforest Plants - Online edition

Diploglottis harpullioides S.T.Reynolds

Shrub (woody or herbaceous, 1-6 m tall)
Click/tap on images to enlarge
Flower. © Barry Jago
Flower. © CSIRO
Fruit, two views, dehiscing, arillous seed and seed. © W. T. Cooper
Fruit. © R. Jago
Scale bar 10mm. © CSIRO
Cotyledon and 1st leaf stage, hypogeal germination. © CSIRO
Cotyledon and 1st leaf stage, hypogeal germination. © CSIRO
10th leaf stage. © CSIRO

Reynolds, S.T. (1981) Austrobaileya 1(3): 391. Type: Cook District: Harvey Creek, 12 October 1973, L.J.Webb & J.G.Tracey s.n. (BRI, holotypus).

Common name

Harpullia Tamarind; Tamarind; Babinda Tamarind


A small tree not exceeding 30 cm dbh.


Leaf bearing twigs with longitudinal grooves only when very young. Leaflet blades large, about 15-20 x 6-9 cm. Terminal buds clothed in pale, prostrate hairs. Midrib slightly raised or almost flush with the upper surface of the leaflet blade. Lateral veins curved throughout their length.


Inflorescence clothed in pale hairs. Young inflorescence bracts up to 1 mm long. Flowers 5 mm diam. Calyx lobes nearly free, suborbicular or obovate, concave, unequal. Petals five, equal. Stamens eight.


Fruits +/- glabrous externally. Seeds +/- globular or obovate, about 20-25 mm diam. Aril attached to most of the basal hemisphere of the seed and completely enveloping the seed.


First pair of leaves compound with two leaflets. At the tenth leaf stage: leaflet blades elliptic, apex acuminate, unequal-sided at the base, glabrous on both the upper and lower surfaces. Stem +/- glabrous. Seed germination time 10 to 21 days.

Distribution and Ecology

Endemic to NEQ, restricted to the area between Cooktown and Innisfail. Altitudinal range from sea level to 400 m. Grows as an understory tree in lowland rain forest.

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