Marsdenia connivens P.I.Forst.

Herbaceous vine; latex white. Roots fibrous. Indumentum colourless. Leaves with petiole 1–4 mm long; lamina elliptic-ovate, to 3.1 cm long, to 1.2 cm wide, cuneate at base, shortly acuminate, glabrous or with scattered trichomes below, not triveined at base; venation obscure below; colleters absent or 1. Inflorescences umbelliform to racemiform. Flowers 3–4 mm long, 3–3.5 mm diam.; pedicels 1.5–3 mm long. Corolla urceolate, yellow; tube c. 1.5 mm long, 2.4–2.5 mm diam.; lobes lanceolate, 1.5–1.8 mm long, 0.9–1 mm wide, internally glabrous. Corolline corona absent. Staminal corona comprising 5 subulate lobes longer than staminal column, entire, adnate at base; lobes 1.5–2.5 mm long, 0.3–0.5 mm wide. Anther appendages truncate-ovate. Style-head depressed-globose. Pollinia oblong, 0.22–0.3 mm long. Follicles fusiform, 4–6 cm long.

Grows in heathland and open eucalypt forest communities, but may also occur on the margins of deciduous microphyll vine thickets that occur in sandy soils.