Cynometra roseiflora W.E.Cooper

Cooper, W.E. (2015), Austrobaileya 9(3): 400-401. Type: Australia: Queensland. COOK DISTRICT: Mossman Gorge section, Daintree National Park, north side of the river, 10 March 2013, W. Cooper 2215, T. Hawkes, R. Jensen, J. Kemp & J. Leech (holo: CNS [2 sheets + spirit]; iso: BRI, CANB, L, K, MO distribuendi).

Grows into a tree to 15 m, buttressed, blaze red.

New leaves red. Leaves compound with one pair of leaflets. Leaflet blades about 7-17.5 x 2-6.2 cm, unequal sided, leaflet stalks 1-2.5 mm long, mostly enclosed by leaflet base. Stipules small and inconspicuous or absent. Lateral veins forming loops well inside the blade margin, 8-15 pairs.

Inflorescence 1-7 flowered. Pedicels about 3-4 mm long. Sepals 4, about 3-4 mm long, apex sparsely and minutely ciliate, bright pink, becoming white. Petals 5, about 1-2 mm long, bright pink. Stamens 9-10. Ovary hairy. Ovules 1.

Fruit on a 2-5 mm long pedicel, an asymmetrical, a reniform or oblong and laterally compressed nut, 28-55 x 19.5-31.5 x 13.5-23.5 mm, rugose, rust brown coloured, beak small near apex of dorsal side, seed solitary.

Seed germination time unknown. Cotyledons thick and fleshy, at or slightly above ground level. Cataphylls about 5 or 6 before the first true leaves. First pair of leaves compound with two leaflets. At the tenth leaf stage: compound leaves with two leaflets, each leaflet blade about 5.5-6.5 x 2-2.5 cm. Leaflet stalk absent or very short.

Endemic to NEQ, known only from a small area near Mossman. Altitudinal range from 20 to 120 m. Grows in wet lowland rain forest.

Description adapted from Cooper (2015).

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