There remains considerable confusion over the nomenclature of this plant and Solanum ferox. We have placed all the records for Solanum ferox here or under Solanum lasiocarpum or Solanum repandum, as per the treatment in Solanaceae Source[]. However, ongoing research may necessitate a review of this[].

Common Name:

General Information

Solanum involucratum is an erect, prickly, perennial plant growing up to 1 metre tall[].
The edible fruit is harvested from the wild for local use.

Known Hazards

Although providing many well-known foods for people, including the potato, tomato, pepper and aubergine, most species in this genus also contain toxic alkaloids. Whilst these alkaloids can make the plant useful in treaing a range of medical conditions, they can also cause problems such as nausea, vomiting, salivation, drowsiness, abdominal pain, diarrhoea, weakness and respiratory depression[].
Unless there are specific entries with information on edible uses, it would be unwise to ingest any part of this plant[].

Botanical References

Range

Southeast Asia - Malaysia, Indonesia.

Habitat

Open places in secondary vegetation at elevations up to 1,500 metres[].

Properties

Edibility Rating
Medicinal Rating
Other Uses Rating
Habit	Perennial
Height	1.00 m
Cultivation Status	Wild

Cultivation Details

A plant of the moist tropics, where it is found at elevations up to 1,500 metres. It grows best in areas where annual daytime temperatures are within the range 24 - 30°c, but can tolerate 10 - 35°c[]. It prefers a mean annual rainfall in the range 1,200 - 2,000mm, but tolerates 800 - 4,200mm[].
Succeeds in full sun and in light shade[]. Can be grown in a wide range of well-drained, fertile soils[]. Prefers a pH in the range 5.5 - 7, tolerating 4.5 - 7.5[].

Edible Uses

Fruit - raw[]. The fruit is a hairy, globose berry about 20mm in diameter[].

Medicinal

The following uses were listed under Solanum ferox. Since this species is either a form of Solanum ferox, or a very closely related species, it is assumed that the medicinal uses listed below apply to this species as well.

The leaves can be used as poultices on swellings[].

A decoction of the roots is used to treat syphilis, and to ease body pains and discomfort after meals[].
The roots are used externally to make baths for treating fevers and as a poultice on itches, cuts, wounds and bruises[].

The seeds are used to ease toothaches - they are burned and the fumes inhaled[].

The plant (part not specified) is used in Bangladesh and India to treat coughs, asthma, fever, vomiting, sore throat, gonorrhoea and female sexual disorders[].

Other Uses

The seeds yield a yellow coloured oil, containing palmitic acid, stearic acid, oleic acid and linoleic acid[]. This report does not specify if the oil has any uses, or even if it is in sufficient quantity to be utilized[].

Propagation

Seed - sow in trays in a nursery. Prick out the seedlings into individual pots when they are large enough to handle and grow them on fast. Plant them out when 10cm or more tall.

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