Cynanchum bowmanii S.T.Blake

Apocynaceae

Blake, S.T. (1948) Proceedings of the Royal Society of Queensland 59: 168. Type: Based on Cynanchum ovatum (Benth.) Domin.

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

Twigs, petioles and leaves produce a milky exudate. Leaf blades about 3.5-5.5 x 1.5-3 cm, petioles about 1-1.7 cm long.

Flowers about 7 mm diam. Sepals ovate, about 1.3 mm long, small finger-like glands present on the inner surface close to the base. Corolla tube about 1 mm long, lobes about 2.5 mm long. Anthers about 1 mm long, pollen aggregated in pollinia. Stamens fused to form a short tube. Staminal corona about 1 x 1.2 mm. Carpels about 1.8 mm long.

Follicles fusiform-ovoid, about 6-9.5 cm long.

Features not available.

Endemic to Queensland, occurs in NEQ, CEQ and southwards to south-eastern Queensland. Altitudinal range in NEQ from near sea level to 250 m. Grows in vine thicket or open forest.

Vincetoxicum ovatum Benth., Flora Australiensis 4: 330(1868), Type: Queensland, Moggill Scrub, C. Stuart 381; lecto: K; iso: BRI, MEL. Fide Forster (1991) Austrobaileya 3: 453. Cynanchum ovatum (Benth.) Domin, Biblioth. Bot. 89: 531(1928).