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Hyrcanian Belladonna

Atropa pallidiflora

Hyrcanian belladonna is a shrub-forming relative of deadly nightshade, native to the temperate Caspian forests of northern Iran. It is grown mainly as a botanical curiosity rather than as an ornamental, and it is extremely poisonous.

Family
Solanaceae (Nightshade family)
Grows as
Shrub
Light
Part shade
Water
Keep soil evenly moist during the growing season and let the top layer dry slightly between waterings.
Soil
Moist, well-drained, fertile loam with added organic matter.
Temperature
10–25 °C; hardy to about -15 °C, protect from hard frost in containers
How easy
Moderate
Safety
Toxic: All parts, especially roots and berries, contain tropane alkaloids (atropine, hyoscyamine, scopolamine) that cause dry mouth, dilated pupils, rapid heartbeat, delirium and can be fatal.
Native range
N. Iran
Climate
temperate

About

Atropa pallidiflora is a close relative of the infamous deadly nightshade and, like it, is an extremely poisonous plant, containing a variety of tropane alkaloids valued in medicine for their anticholinergic, antispasmodic and mydriatic properties and deliriant in excess. Atropa pallidiflora is the least well-known of the four currently accepted species of Atropa and is endemic to the remarkable Caspian Hyrcanian mixed forests of Northern Iran, which can boast all the species of Atropa currently recognised, with the sole exception of the strictly Ibero-Maghrebi Atropa baetica. The binomial Atropa pallidiflora was published by Eva Schönbeck-Temesy in volume 100 ('Solanaceae') of Karl Heinz Rechinger's monumental Flora Iranica in 1972.

Where it grows

Atropa pallidiflora is confined to the central part of a narrow belt of temperate rainforest fringing the Southern shore of the Caspian Sea, stretching (travelling from West to East) from the Talysh Mountains of the extreme Southeast of Azerbaijan through the Iranian provinces of Gilan, Mazandaran and Golestan and petering out in two spurs of woodland in Iran's North Khorasan province. The Northern spur ends near the village of Ghosha Tapeh and the Southern near the village of Havar and neither is far from the Kopet Dag range marking the border between Iran and Turkmenistan - where another Atropa species Atropa komarovii Blin.and Shalyt. (also an accepted species) is to be found.

Other Atropa plants

Indian Belladonna · Deadly Nightshade · Belladonna

Text excerpted from the Wikipedia article Atropa pallidiflora 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.

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