Solanum species of eastern and northern Australia
Habit. Prostrate or sprawling, annual, 0.25–0.5 m high. Large stems prickles absent.
Branchlets. Branchlets ridged. Branchlet prickles absent. Branchlet hairs Type 2 or simple. Branchlet stellae absent. Branchlet simple hairs antrorse, curved or erect, straight, not gland-tipped or gland-tipped, 0.2–1 mm long. Branchlet Type 2 hairs absent.
Leaves. Leaves ovate, shallowly lobed throughout. Leaf lobes 3–6 on each side, obtuse. Leaves 2.5–7 cm long, 1.2–3.5 cm wide. Leaf apex obtuse or acute, base cuneate. Petioles 0.5–2.5 cm long, 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 erect, straight or antrorse, curved, sparse, gland-tipped. Upper leaf surface Type 2 hairs absent or present throughout.
Lower leaf surface. Lower leaf surface green. Lower leaf surface prickles absent. Lower leaf surface stellate hair density absent. Lower leaf surface simple hairs erect, straight or antrorse, curved, sparse or moderate to dense, gland-tipped. Lower leaf surface Type 2 hairs absent or present throughout.
Inflorescence. Inflorescence supra-axillary, cymose (pseudo-racemose) or almost umbellate but 1–2 fls/frt separate. Inflorescence common peduncle 5–15 mm long. Inflorescence rachis prickles absent. Inflorescence 3–8-flowered, with all flowers bisexual. Flowers 5-merous. Pedicels at anthesis 4–10 mm long, prickles absent. Calyx tube at anthesis 1.5–2.5 mm long. Calyx lobes at anthesis deltate, 1–2 mm long. Calyx prickles at anthesis absent. Calyx stellae absent. Calyx simple hairs present, Type 2 hairs absent. Corolla white, 3–6 mm long, rotate or shallowly lobed. Anthers 1.5–2.3 mm long. Functional style 3.2–4 mm long, protruding between anthers, with simple hairs.
Fruits. Fruiting calyx lobes more than half length of mature fruit or lobes exceeding mature fruit, prickles absent. Mature fruits 2–7 per inflorescence, globular, 6–9 mm diameter, brown or green, often streaked. Seeds pale yellow or black, 1.6–2.4 mm long, stone-cell granules present (two in number).
Distribution and habitat. Queensland, New South Wales, Victoria, Tasmania. Qld: Moreton, Darling Downs. NSW: Central Coast, Central Tablelands, Central-west Slopes.
Miscellaneous. Naturalised. Sect. Solanum. Common name: Cherry Nightshade. Data source: Fl of Vic, Fl of SEQ, Fl of NZ, Edmonds & Chweya 1997.
Cite this publication as: ‘Bean, A.R. 2012 onwards. Solanum species of eastern and northern Australia. Version: 29th June 2013. http://delta-intkey.com’.