The mangosteen plant family (sometimes classified as Guttiferae; also known as Hypericaceae) of the order THEALES, subclass Dilleniidae, class Magnoliopsida. It includes trees and shrubs with resinous, sticky sap, usually with broad-ended, oblong, leathery leaves with a strong, central vein, flowers with many stamens.
    

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Rock balsam plant (Clusia rosea): flowering and fruiting branch. Coloured etching by J. Pass, c. 1800, after J. Ihle.

Twelve British wild flowers with their common names. Coloured engraving, c. 1861, after J. Sowerby.

A plant, possibly an Hypericum species: flowering stem. Watercolour.

St. John's wort or klamath weed (Hypericum perforatum L.): flowering stem with separate root, flower and seed. Coloured etching by M. Bouchard, 177-.

St. John's wort or tutsan (Hypericum androsaemum L.): flowering and fruiting stems, fruit and seeds. Coloured etching by M. Bouchard, 177-.

Marsh St. John's wort (Hypericum eloides): flowering stems. Colour nature print by H. Bradbury.

St. John's wort (Hypericum olympicum): entire flowering plant with separate floral segments and seed. Coloured etching by M. Bouchard, 177-.

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Guttiferae

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Marsh St. John's wort (Hypericum eloides): flowering stems. Colour nature print by H. Bradbury.

St. John's wort or tutsan (Hypericum androsaemum L.): flowering and fruiting stems, fruit and seeds. Coloured etching by M. Bouchard, 177-.

Rock balsam plant (Clusia rosea): flowering and fruiting branch. Coloured etching by J. Pass, c. 1800, after J. Ihle.

St. John's wort or klamath weed (Hypericum perforatum L.): flowering stem with separate root, flower and seed. Coloured etching by M. Bouchard, 177-.

St. John's wort (Hypericum olympicum): entire flowering plant with separate floral segments and seed. Coloured etching by M. Bouchard, 177-.