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Cupaniopsis dallachyi

Family

Sapindaceae

Botanical Name

Cupaniopsis dallachyi S.T.Reynolds

Reynolds, S.T. () Flora of Australia 25: 199. Type: Jagan, near Malanda, Qld, c. 17 deg 23 S, 145 deg 36 E, 30 Sept. 1980, G.C.Stocker 1773; holo: BRI; iso: QRS..

Stem

Sapwood surface corrugated.

Leaves

Young leafy twigs with a few obscure grooves or striations. Terminal buds clothed in pale, +/- prostrate hairs. Leaflet blades about 6-13 x 3-5.5 cm, midrib depressed or raised on the upper surface. Lateral veins curved throughout their length but not forming loops inside the margin. Compound leaf petiole +/- flat on the upper surface. Compound leaf rhachis +/- convex on the upper surface. Domatia are very small foveoles.

Flowers

Flowers pedicellate. Calyx lobes +/- orbicular, about 3 mm long. Petals about 1 mm long. Stamens eight.

Fruit

Capsules about 20-30 x 20-25 mm, hairy on the inner surface, glabrous externally. Aril nearly enclosing the seed.

Seedlings

First pair of leaves simple or compound, trifoliolate or pinnate with as few as two leaflets. Leaflet blades not toothed. At the tenth leaf stage: leaflet blades unequal-sided at the base; midrib raised on the upper surface; lateral veins curved but not forming loops inside the blade margin; compound leaf rhachis ending in an awl-like point. Terminal bud clothed in brown hairs.

Distribution and Ecology

Endemic to NEQ, restricted to the area between the Daintree and Tully Rivers. Altitudinal range from 150-750 m. Grows in well developed rain forest on a variety of sites.

Natural History

Orange aril eaten by Victoria's Riflebird. Cooper & Cooper (1994).

NEQ

X

Tree

X

RFK Code

856