Australian Tropical Rainforest Plants - Online edition

Macaranga dallachyana (Baill.) Airy Shaw


Shrub (woody or herbaceous, 1-6 m tall)
Tree
Click/tap on images to enlarge
Fruit. © R. Jensen
Leaves and fruit. © R. Jensen
Leaves and fruit. © R. Jensen
Leaves and fruit. © R. Jensen
Leaves and fruit. © R. Jensen
Family

Airy Shaw, H.K. (1969) Kew Bulletin 23(1): 90.

Stem

Shrub or small tree, recorded to 20 m.

Leaves

Venation pinnate. Two green to reddish-brown flat glands visible on the upper surface of the leaf blade at the base near its junction with the petiole. Leaf blades about 6.5-18.5 x 2.5-7 cm, upperside glabrous, underside densely covered with scales. Petioles 6-25 mm long, sometimes longer.

Flowers

Inflorescence and axillary, terminal or ramiflorous raceme or fascicle. Peduncles long. Flowers 2-4 mm diameter; petals absent, sepals yellow.

Fruit

Capsules smooth, with minute scales and glands, 3-6 mm long and 6-9 mm wide. Seeds 2.

Seedlings

Features not available.

Distribution and Ecology

Endemic to NEQ, known Jullaten to Cardwell. Altitudinal range from 400-1100 m. Grows in well developed rain forest and in rainforest adjacent to coastal saltwater creeks.

Natural History & Notes

The short petioles (usually less than 2 cm long) and the relatively long peduncle of the female inflorescence distinguish M. dallachyana from other species with pinnately nerved leaves, short styles and smooth capsules.

Synonyms

Echinus dallachyanus Baill., Adansonia 6: 314 (1866). Lectotype: "[Queensland. COOK DISTRICT:] Rockingham Bay, Salt Water Creek [Meunga Creek], 3 March 1865, J. Dallachy s.n. (lecto: MEL 707973; isolecto: MEL 707976)."

RFK Code
3670
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