Australian Tropical Rainforest Plants - Online edition

Elattostachys microcarpa S.T.Reynolds


Tree
Click/tap on images to enlarge
Leaves and Flowers. © A. Ford & F. Goulter
Dehiscing fruit. CC-BY: B. Gray
Fruit, three views, dehiscing and arillous seed. © W. T. Cooper
Leaves and fruit. © CSIRO
Leaves and fruit. CC-BY: B. Gray
Scale bar 10mm. © CSIRO
10th leaf stage. © CSIRO
1st leaf stage. © CSIRO
Cotyledon stage, epigeal germination. © CSIRO
Family

Reynolds, S.T. () Flora of Australia 25: 199. Type: Cedar Bay, N of Bloomfield R., Qld, (15 49 S, 145 20 E), Jan. 1973, L.J.Webb & J.G.Tracey 13275; holo: BRI.

Common name

Scrub Tamarind; Tamarind, Scrub

Stem

Usually a small tree not exceeding 30 cm dbh. Lenticels tend to be arranged in vertical lines. Outer blaze striped cream and brown.

Leaves

Leaflet blades about 6.5-14.5 x 2.5-5.2 cm. Midrib raised on the upper surface of the leaflet blade. Young shoots and terminal buds clothed in very short, pale, almost golden hairs. Domatia, if present, are very small, inconspicuous foveoles.

Flowers

Calyx lobes ovate, about 2.5 mm long, pubescent on the outer surface, hairs straight. Petals about 2.5-3 mm long. Stamens about 6-8. Disk cupular, glabrous. Ovary sessile, 3-locular, one ovule per locule.

Fruit

Capsules about 8-12 x 10-12 mm, glabrous on the outer surface, woolly pubescent on the inner surface, valves comparatively thick and woody. Aril small, basal and lateral.

Seedlings

Cotyledons broadly spathulate or elliptic, fleshy, without obvious venation, apex acuminate. First pair of leaves lobed or coarsely toothed. At the tenth leaf stage: leaf blade coarsely toothed or lobed, midrib puberulous, raised on the upper surface of the leaf blade. Seed germination time 11 to 26 days.

Distribution and Ecology

Endemic to Queensland, occurs in CYP and NEQ. Altitudinal range from near sea level to 950 m. Grows in drier, more seasonal rain forest often associated with Kauri Pine (Agathis robusta).

Natural History & Notes

This species has horticulture potential. It produces a spreading dense crown, small cream flowers and bright pink to red fruits with black seeds.

RFK Code
938
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