Solanum species of eastern and northern Australia


A. R. Bean

Solanum linearifolium

Habit. Erect, non-rhizomatous perennial shrub, 1–4 m high. Large stems prickles absent.

Branchlets. Branchlets terete or ridged, brown or green. Branchlet prickles absent. Branchlet hairs absent. Branchlet stellae absent.

Leaves. Leaves linear or narrow lanceolate, entire. Leaves 5–12 cm long, 0.5–1.2 cm wide, 8–14 times longer than broad. Leaf apex acute or acuminate, base cuneate. Petioles 0–2 cm long, not winged or winged, prickles absent.

Upper leaf surface. Upper leaf surface green. Upper leaf surface prickles absent. Upper leaf surface stellate hairs absent, protostellae absent, hair density absent from surface. Upper leaf surface simple hairs absent. Upper leaf surface Type 2 hairs absent.

Lower leaf surface. Lower leaf surface green. Lower leaf surface prickles absent. Lower leaf surface stellate hair density absent. Lower leaf surface simple hairs absent. Lower leaf surface Type 2 hairs absent.

Inflorescence. Inflorescence leaf-opposed, cymose (pseudo-racemose) or branched (paniculate to corymbose). Inflorescence common peduncle absent. Inflorescence rachis prickles absent. Inflorescence 5–20-flowered, with all flowers bisexual. Flowers 5-merous. Pedicels at anthesis 15–34 mm long, prickles absent. Calyx tube at anthesis 2–3 mm long. Calyx lobes at anthesis hemispherical or deltate. Calyx prickles at anthesis absent. Calyx stellae absent. Calyx simple hairs absent, Type 2 hairs absent. Corolla purple, 13–22 mm long, rotate, inner surface glabrous. Anthers 3 mm long. Ovary glabrous. Functional style 7–8 mm long, protruding between anthers, glabrous.

Fruits. Fruiting calyx lobes less than half length of mature fruit, prickles absent. Mature fruits 5–20 per inflorescence, globular, 15–20 mm diameter, brown or yellow. Seeds white or pale yellow, 2–2.5 mm long, stone-cell granules present.

Distribution and habitat. Queensland, New South Wales, Victoria. Qld: Darling Downs. NSW: North Coast, Central Coast, Northern Tablelands, Central Tablelands, Southern Tablelands, North-west Slopes, Central-west Slopes, South-west Slopes, North Western Plains. Shrubby eucalypt woodland, remote from rainforest.

Miscellaneous. Subg. Archaesolanum. Common name: Kangaroo Apple. Data source: Symon 1994 & Fl of Vic.

Cite this publication as: ‘Bean, A.R. 2012 onwards. Solanum species of eastern and northern Australia. Version: 29th June 2013.’.