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Solanum americanum Mill.
Family Solanaceae
Common name: Glossy Nightshade

Solanum americanum Mill. APNI*

Synonyms: Solanum nodiflorum & nigrum APNI*
Solanum nodiflorum subsp. nutans R.J.F.Hend. APNI*
Solanum americanum subsp. nodiflorum & nutans APNI*

Description: Spreading herb or short-lived shrub to 1.3 m high, glabrous or sparsely hairy with simple hairs, often purplish; prickles absent.

Leaves ovate to lanceolate, mostly 3–8 cm long, 2–4 cm wide, often larger on young plants, margins entire or shallowly lobed; both surfaces green and glabrous or sparsely pubescent; petiole 1–5 cm long.

Inflorescences 4–12-flowered; peduncle to 25 mm long, lengthening in fruit; pedicels 5–8 mm. Calyx 1–2 mm long; lobes c. 1 mm long. Corolla deeply incised, usually 8–9 mm diam., white or flushed purple with yellow-green centre.

Berry 6–9 mm diam., purple-black.

Photo D. Hardin


Flowering: most of year.

Distribution and occurrence: Variable cosmopolitan weed in disturbed habitats, east from Booligal area.
NSW subdivisions: NC, CC, SC, CT, NWS, CWS, SWP, SFWP, LHI
Other Australian states: Qld Vic. W.A. N.T.
AVH map***

This is a variable taxon, and it is considered to be more than one species by some workers. In other cases subspecies are distinguished.

Text by B. J. Conn
Taxon concept: Flora of NSW 3 (1992)

APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
***The AVH map option provides a detailed interactive Australia wide distribution map drawn from collections held by all major Australian herbaria participating in the Australian Virtual Herbarium project.
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