Solanum species of eastern and northern Australia

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A. R. Bean

Solanum furcatum

Habit. Sprawling, annual or non-rhizomatous perennial shrub, 0.5–1 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, not gland-tipped. Branchlet Type 2 hairs absent or sparse.

Leaves. Leaves lanceolate or ovate, entire or shallowly lobed throughout. Leaf lobes 0 on each side or 4–7 on each side, obtuse. Leaves 3–10 cm long, 2–5 cm wide. Leaf apex obtuse or acute, base cuneate. Petioles 0.7–2.5 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, protostellae absent, hair density absent from surface. Upper leaf surface simple hairs antrorse, curved, not gland-tipped.

Lower leaf surface. Lower leaf surface green. Lower leaf surface prickles absent. Lower leaf surface stellate hair density absent. Lower leaf surface simple hairs antrorse, curved, not gland-tipped.

Inflorescence. Inflorescence supra-axillary, 2-branched, each branch terminated by an umbel. Inflorescence common peduncle 10–25 mm long. Inflorescence rachis prickles absent. Inflorescence 4–14-flowered, with all flowers bisexual. Flowers 5-merous. Pedicels at anthesis 4–8 mm long, prickles absent. Calyx tube at anthesis 2–3 mm long. Calyx lobes at anthesis hemispherical, 1–1.5 mm long. Calyx prickles at anthesis absent. Calyx stellae absent. Calyx simple hairs present. Corolla white, 4–6 mm long, deeply lobed. Anthers 2.3–3.3 mm long. Functional style 5–7.5 mm long, protruding between anthers, with simple hairs.

Fruits. Fruiting calyx prickles absent, lobes not recurved. Mature fruits globular, 6–9 mm diameter, black or purple, dull. Pedicels at fruiting stage 10–15 mm long. Seeds pale yellow or black, stone-cell granules present.

Distribution and habitat. Victoria, Tasmania.

Miscellaneous. Naturalised. Sect. Solanum. Data source: Symon 1981, Fl of Vic, Henderson 1974.

Illustrations. • fruits. • leaves and flowers.


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

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