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Nicandra physalodes
Also called Shoo-fly plant, Broadleaf Nightshade, Shooflyplant, Rivabe, Shoo Fly
Apple of Peru is a large annual nightshade with bell-shaped violet flowers and lantern-like fruiting calyces, grown as an ornamental and often a weed of disturbed ground. It is easy to grow from seed in full sun and warm weather.
Nicandra physalodes is a species of flowering plant in subfamily Solanoideae of the nightshade family. It is known by the common names apple-of-Peru and shoo-fly plant. It is thought originally to have been native to western South America, including Peru, and is known elsewhere as an introduced and ruderal species – sometimes as a weed – in tropical, subtropical and, to a lesser extent, temperate areas all over the world. It has also long been cultivated as an ornamental plant for its attractive flowers and curious fruits (the latter sometimes dried for use in floral design) and has been adopted into the traditional medicine of countries far-removed from its original home.
Nicandra physalodes is suspected of having poisonous properties similar to those possessed by certain Physalis species implicated in the poisoning of sheep. Some conflicting evidence in respect of these suspicions has emerged from Australia (where the plant is sometimes known as wild gooseberry), in which the plant has been suspected, on rather vague evidence, of poisoning stock at various times, although a feeding test carried out in New South Wales using a sheep and a goat gave negative results. A case was reported from New South Wales in 1970 in which two crossbred ewes died, apparently as a result of consuming this plant. The animals had been left to graze in a paddock of Wimmera ryegrass heavily infested with Nicandra physalodes plants of around 60 cm (24 in) in height, such that they overtopped the grass. Both ewes died, with symptoms of bloat within 12 hours. At necropsy there were extensive hemorrhages in heart and lungs, but no other apparent abnormalities. The paunches of the ewes were observed to contain large amounts of Nicandra.
Nicandra physalodes is native to western South America – Northwest Argentina, Bolivia, North and Central Chile and Peru. It has been introduced in many tropical and temperate regions worldwide. It is a weed of arable land nearly worldwide. In the British Isles, the plant is a frequent casual, found in bare or sparsely grassy places, including cultivated ground, waste places and rubbish tips. Its occurrence is often traceable to the presence of its seeds in commercial brands of bird seed.
The literature on the plant features somewhat conflicting accounts of use, as a species both edible and toxic/medicinal, pointing to the conclusion that it should be regarded as suspect and treated with caution. The whole plant is said to be toxic (even, according to some sources, very toxic) and to be used medicinally as a diuretic, sedative and cough medicine. The tender leaves have, on occasion, been cooked as a leaf vegetable or pot herb (e.g. in the cuisine of Tanzania), yet the decoction of the leaves has been used as an insecticide to treat head lice; while the juice of the fresh leaves has been used to treat amoebiasis. Unspecified medicinal uses of the leaves have also been recorded in the folk medicine of Brazil and Madagascar.
Text excerpted from the Wikipedia article Nicandra physalodes by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.
The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
