Citrus trifoliata

Catania - Italy

Photograph of Poncirus trifoliata foliage and fruit (under the old name).

Derris trifoliata

Fact sheet on common derris, its description, distribution, uses as an insecticide, role in the habitat in Singapore, photos, links and references.

Menyanthes trifoliata
United Kingdom

Several photographs of Bogbean and some identifying features. Sometimes included in its own family Menyanthaceae.

Menyanthes trifoliata
United States

Illustration and a description of this plant, with details of its history, medicinal action and uses.

Ptelea trifoliata
United States

short description and medicinal uses


Photograph, classification, diagnostic features, habitat and distribution of bogbean.

United Kingdom

Information on this species, its physical characteristics, habitat, edible, medicinal and other uses, and its cultivation.


Photographs of buck-bean, its flowers and foliage.

Citrus aurantium L.

Image of the foliage and fruit.

Citrus bigaradia

Photograph of foliage and fruit.

Citrus grandis

Image of leaves and fruit.