Marsdenia rostrata—Common Milk Vine—APOCYNACEAE.

Marsdenia rostrata

Link to Images on Flickr.

Habitat—. Grows in most types of rainforest and wet sclerophyll forest; widespread in coastal districts and inland to the Liverpool Range and the Goulbum River valley.

Distribution—Victoria, New South Wales and Queensland.

Description—Climber to c. 10 m high, latex copious, milky.

Local occurrences

Australis Resort, Barrington/Gloucester Tops, Bennett Head, Black Head, Black Head Beach, Black Head Flora Park, Booti Hill, Burgess Beach, Cape Hawke, Cellito, Charlotte Head, Cliff Road, Coocumbac Island, Copeland, Darawank Nature Reserve and Wetland, Diamond Beach, Diamond Beach LRF, Dixon Property, Golden Ponds Reserve, Karloo Street Reserve, Knappinghat Nature Reserve, Ohmas Bay, One Mile Beach, Pebbly Beach, Reservoir Hill Reserve, Saltwater Nature Reserve, Sea Acres National Park, Second Head, Seven Mile Beach and Green Point, Stephen Street Reserve, Tiona, Wingham Brush and Zamia Place Reserve.

Leaves.— Simple, entire, opposite with latex and basal glands; lamina oblong—elliptic to broad—ovate, sometimes ± circular, 1.2 to 3 times as long as broad, 4 to 13 cm long, 2 to 7 cm wide, apex mostly abruptly narrowed to a short or long obtuse point, base rounded or slightly cordate, glabrous, margins flat; larger net veins distinct on lower surface; petiole 10 to 40 mm long.

Marsdenia rostrata
Marsdenia rostrata

Inflorescence—7 to 12 mm diam., pale yellow. Corolla lobes spreading, oblong—obtuse, hairy inside to middle or above, 3 to 6 mm long; tube c. 2 mm long. Style head narrow—conical, 2—fid, much longer than anthers. Free part of corona segments erect, incurved, nearly as long as the anthers; wings and auricles absent.

Flowering.—Spring to Summer.

Fruit—Follicles turgid, ovoid, obtuse or with a short point, 5 to 7 cm long, 2 to 4 cm diam.

Ripe.—Summer to Autumn.

Marsdenia rostrata