Medicosma cunninghamii—Pinkheart, Bonewood—RUTACEAE

Medicosma cunninghamii

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Habitat— Grows in lowland subtropical rainforest and littoral rainforest, rare in N.S.W.; often cultivated as an ornamental.

Distribution— North from the Richmond River in New South Wales and into Queensland.

Description—Shrub or small tree up to 10 m high, young shoots and leaves with scattered stellate hairs.

Local occurrences

Royal Botanic Gardens Sydney

Leaves.— Opposite, 1–foliolate, entire with distinct oil dots, narrowly oblong–elliptic or oblanceolate, 4.5 to 23 cm long, 1.5 to 7.5 cm wide, apex acute, acuminate or obtuse, base ±cordate, margins entire, surfaces dull, oil dots fine, numerous; petiole usually 5 to 20 mm long, obscurely jointed with lamina.

Medicosma cunninghamii
Medicosma cunninghamii

Inflorescence.—Few to several–flowered. Sepals ± circular, 4 to 6 mm long, pubescent. Petals ovate to ± lanceolate, 13 to 17 mm long but enlarging to c. 20 mm long in fruit, creamish, pubescent

Flowering.—Spring to Autumn

Fruit.—Cocci 5 to 6.5 mm long, pilose, surrounded by persistent petals, concealed by the corolla, splitting into 4 sections when dry. Seeds black and hairy.

Ripe.—Summer to Winter

Medicosma cunninghamii