Australian Tropical Rainforest Plants - Online edition

Tylophora grandiflora R.Br.

Slender Vine
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Leaves and Flowers. © CSIRO
Flower. © CSIRO
Scale bar 10mm. © CSIRO

Brown, R. (1810) Prodromus Florae Novae Hollandiae : 460. Type: NSW, Hunters R., R. BRown; lecto: BM. Fide P. I. Forster, Austral. Syst. Bot. 5:44 (1992).

Common name

Small-Leaved Tylophora; Tylophora, Small-Leaved


A slender vine not exceeding a stem diameter of 2 cm.


Twigs and petioles produce a clear exudate. Leaf blades about 4-6.5 x 2.5-4.5 cm, petioles about 1-2.5 cm long. About two or three colleters (small finger-like glands) visible on the upper surface of the midrib near its junction with the petiole. Upper and lower leaf blade surfaces hairy.


Inflorescence a slender umbelliform raceme with only one or two flowers open at any one time. Flowers about 12-25 mm diam., pedicels slender, up to 30 mm long. Sepals glabrous, about 4-6 mm long, numerous small finger-like glands present on the inner surface between the sepals. Corolla tube about 2 mm long, lobes about 10-12 mm long, glabrous on the outer surface, inner surface clothed in short hairs. Corolline corona absent. Anthers about 0.3 mm long. Pollen aggregated in pollinia. Staminal corona thickened, spur-like. Carpels about 1.2-2 mm long. Style head (stigma) green.


Fruits about 90-100 x 6-8 mm, broadest towards the base and tapering to a point at the apex. Seed features unknown.


Features not available.

Distribution and Ecology

Endemic to Australia, occurs in NEQ, CEQ and also in south-eastern Queensland and north-eastern New South Wales. Altitudinal range in NEQ not known but the only collection was made at about 950 m and was growing in mountain rain forest.

Natural History & Notes

This species has horticultural potential as it produces large numbers of red flowers.

Hoya grandiflora (R.Br.) Spreng., Systema Vegetabilium 1 : 843(1824). Vincetoxicum grandiflorum (R.Br.) Kuntze, Revisio Generum Plantarum 2: 424(1891).
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