Jasminum didymum subsp. lineare
(R.Br.) P.S.Green Desert JasmineTangled shrub 1–2 m high, often prostrate or scrambling over other vegetation, with stems to 10 m long; branches glabrous or minutely pubescent. Leaves 3-foliolate with terminal leaflet largest; leaflets linear to broad-linear, mostly 3–10 cm long, 2–5(–12) mm wide, acute, blunt or rounded, apiculate, margins entire, surfaces glabrous or puberulent; petiole 3–20 mm long; terminal petiolule 4–20 mm long; lateral petiolules 0–5 mm long. Inflorescences axillary, 5–15-flowered. Calyx 2–3 mm long, puberulent, lobes 5, obscure, to c. 1 mm long; corolla white or cream, tube 3–10 mm long, lobes 5 or 6, ovate-lanceolate, 2.5–5 mm long, acute or obtuse. Berry globose, 8–12 mm diam., black. Flowers mainly Mar.–Jul. (sporadically throughout the year).
LoM, MuM, RobP, MuF. Also WA, NT, SA, Qld, NSW. In Victoria confined to dry woodlands in the far north-west (old specimens labelled 'Wimmera' and 'Portsea' are of doubtful provenance).
In his revision of the Australian Jasminum, Green (1984) recognized 3 subspecies of J. didymum. These differ mainly in leaflet size and shape, the length of the central petiolule and the number of flowers in the inflorescence. Intermediates between the subspecies are common outside Victoria.
Jeanes, J.A. (1999). Oleaceae. In: Walsh, N.G.; Entwisle, T.J., Flora of Victoria Vol. 4, Cornaceae to Asteraceae, pp. 477–483. Inkata Press, Melbourne.