Australian Tropical Rainforest Plants - Online edition

Amyema quaternifolia Barlow

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Flowers. © R. Jensen
Flowers. © R. Jensen
Flowers. © CSIRO
Fruit. © CSIRO
Leaves and flowers. © R. Jensen
Leaves. © R. Jensen
Seedling. © CSIRO

Barlow, B.A. (1966) Australian Journal Botany 14: 482. Type: Queensland, 1.6 km S of Daintree; 11 Oct. 1964; I.B. Staples s.n.; Holo: BRI; Iso: AD, ADW, BRIU,CANB, NSW, NT.


Aerial stem-parasitic shrub. Epicortical runners present.


Leaves borne in whorls of four. Leaf blades thick and fleshy, brittle, breaking along a straight line when bent back on themselves. Leaf blades about 5-8.5 x 2.5-3.5 cm, petioles about 0.5-1.5 cm long.


Flowers borne in simple umbels of 2-4 flowers. Pedicels about 2-5 mm long. Primary peduncle about 4-9 mm long. Calyx entire, about 3-4 mm long. Flower buds longitudinally ribbed. Corolla about 30-40 mm long, mainly red but yellow at the apex. Anthers about 3-4 mm long, staminal filaments about 3-5 mm long. Ovary about 3.5-4 mm long. Style about 30 mm long, stigma depressed globular.


Fruits about 9-12 x 6-7 mm. Seeds surrounded by gelatinous mucilage. Endosperm white, quite firm. Embryo green, about 2-2.5 x 0.7 mm. Cotyledons about 1.5 mm long, appressed, discrete.


Features not available.

Distribution and Ecology

Endemic to NEQ. Altitudinal range from near sea level to 1100 m. Usually parasitic on rain forest plants, occasionally on cultivated trees.

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