Solanum species of eastern and northern Australia


A. R. Bean

Solanum radicans syn. palitans

Habit. Prostrate or sprawling, annual or herbaceous resprouter or non-rhizomatous perennial shrub or perennial vine. Large stems prickles absent.

Branchlets. Branchlets terete or ridged. Branchlet prickles absent. Branchlet hairs simple. Branchlet stellae absent. Branchlet simple hairs antrorse, curved, not gland-tipped, 0.2–0.8 mm long. Branchlet Type 2 hairs absent.

Leaves. Leaves broadly ovate or orbicular, deeply lobed throughout or with basal lobes only. Leaf lobes 1–2 on each side. Leaves 3–5 cm long, 1–3.5 cm wide. Petioles 0.7–1.5 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, hair density absent from surface. Upper leaf surface simple hairs antrorse, curved, very sparse or confined to major veins, not gland-tipped, 0.2–0.3 mm long. 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 or supra-axillary, cymose (pseudo-racemose). Inflorescence common peduncle 7–15 mm long. Inflorescence rachis prickles absent. Inflorescence 4–10-flowered, with all flowers bisexual. Flowers 5-merous. Pedicels at anthesis 4–7 mm long, prickles absent. Calyx tube at anthesis 2–3 mm long. Calyx lobes at anthesis 0.5–1 mm long. Calyx prickles at anthesis absent. Calyx stellae absent. Calyx simple hairs absent, Type 2 hairs absent. Corolla white, 4–5 mm long, deeply lobed, inner surface glabrous. Anthers 1.8 mm long.

Fruits. Fruiting calyx prickles absent. Mature fruits 4–10 per inflorescence, 4–6 mm diameter, yellow or yellowish-green or green, often streaked, dull.

Distribution and habitat. New South Wales. NSW: North Coast, Central Coast, Central Tablelands, Southern Tablelands, Central-west Slopes.

Miscellaneous. Naturalised. Subg. Potatoe. Data source: Symon 1981, specimens.

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