Australian Tropical Rainforest Plants - Online edition

Ackama paniculosa (F.Muell.) Heslewood

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Leaflets and inflorescence [not vouchered]. CC-BY: S. & A. Pearson.
Leaves and inflorescence. CC-BY: APII, ANBG.
Flowers and immature fruit. CC-BY: APII, ANBG.
Fruit [not vouchered]. CC-BY: S. & A. Pearson.
Leaflets [not vouchered]. CC-BY: S. & A. Pearson.

Heslewood, M.M. & Wilson, P.G. (2013) Telopea 15: 6.

Common name

Soft Corkwood


Tree to 40m; bark pale fawn to light grey, fissured and corky; buds and young stems densely hairy; older stems hairy or smooth; interpetiolar stipules falling early leaving a horizontal scar.


Leaves pinnately compound with a terminal leaflet, 8-30 cm long, opposite and decussate; leaflets opposite; 3-7; lamina elliptic to lanceolate, 7-20 cm by 1.5-6 cm; margins regularly toothed; both surfaces mostly glabrous; pinnately veined with 8-14 pairs of main laterals, impressed above, raised below; domatia prominent, hairy.


In panicles 10-15cm long, terminal and in upper axils; flowers bisexual, actinomorphic, white; calyx lobes 5, c. 1mm; petals 5, 1-2mm; stamens 10, 4-8mm, free; filaments of different lengths; ovary 2-locular, superior; style c. 5mm long.


A dry capsule, subglobose; 2-3mm; seeds few, flattened.


Features not available.

Distribution and Ecology

Occurs in CEQ, southwards to central New South Wales. Altitudinal range from 150-1200 m. Grows in well developed upland and mountain rain forest and wet sclerophyll forest.


Caldcluvia paniculosa (F.Muell.) Hoogland, Blumea 25(2): 488 (1979). Weinmannia paniculosa F.Muell., Fragmenta Phytographiae Australiae 2(15): 126. Weinmannia paniculata F.Muell. [nom. illeg.], Fragmenta Phytographiae Australiae 2(13): 83 (1860), Type: "Ad amnes fluvii Clarence River, e.g. ad torrentem Cloud's Creek. Dr. Beckler."(1861).

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