Biology

Characteristics of this valuable timber tree from Mexico, Central America and the Caribbean.

Characteristics of this valuable timber tree from Central and South America.

Photographs of these species.

Photograph and technical information on this invasive shrub, its description, economic importance, distribution and biology.

Description and photographs of this shrubby tree, and information on its herbal properties, tribal and herbal medicine uses, the chemicals it contains, its biological activities and clinical research.

General information and classification.

History, varied uses for kudzu plants, links and references.

Links and information on Pueraria montana var. lobata and its control.

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Several photographs of this species, rare in the UK, and an excerpt from the book “Unto the Hills” by Patrick Coulcher.

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Details of distribution and occurrence, value and use, characteristics, and its fire ecology.

Information on distribution and occurrence; value and use; characteristics; and fire ecology.

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General information and classification.

General information and classification.

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Plant description and photo, pollen identification and morphology information, and photos of pollen grains.

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Physical characteristics of leaf, flower, fruit, twig, and bark. Provides photos.

Photo of Coleus x hybridus and horticultural data

An introduction to the genus, list of species and synonyms, and selected photographs.

Brief description, distribution in Australia, cultivation tips and a photograph.

Photographs of select species

Photographs and herbal uses of common or lemon balm.

Photograph of the plant in flower.

Description, uses, propagation, distribution, and references.

The distribution, habitat, known sites and status of San Felipe Monardella (Monardella nana Gray ssp.leptosiphon (Torr.) Abrams)

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A plants profile of Prunella vulgaris ssp. vulgaris (common selfheal) from the USDA database.

Illustration and information on marsh woundwort, its morphology, biology, distribution, ecology and economic significance as a weed species.

Photographs and information from Wikipedia.

Distribution and occurrence, value and use, characteristics, and fire ecology.

Information from Botanical.com, a modern herbal, on this poisonous plant, its description, constituents, medicinal action and uses.

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Inflorescence

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Profile from PLANTS database: photographs, classification, distribution in the U.S., status as a weed under state laws, and related links.

Report on some of the critically endangered Magnolia species.

Description and several photographs of this tree, with information on its herbal properties, uses in traditional medicine, the chemicals it contains, its biological activities, clinical research and its current uses.

General information and classification.

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Description of the species, forms, and cultivars of the Malvaceous genus Lavatera.

General information and classification.

Description and a photograph of this climbing plant.

General information and classification.

General information and classification.