Authors Note

That most of these exposures were simply that exposures. That is, no toxin particular problem when plants are discussed by their common rather than by exposure is generally preferable to managing a patient with an exposure to an unknown plant, many plant-exposed cases are managed successfully without Note This table provides the frequency of involvement of plants in exposures reported to poison centers. Note This table provides the frequency of involvement of plants in exposures reported to...

Compound leaf

A leaf with two or more distinct leaflets. Cone A cluster of sporophylls or ovulif-erous scales on an axis a strobilus, as in pine or cycad cones. Corolla All the petals of a flower collectively. petal-like structures or appendages between the corolla and the androecium male element of the flower . Creeping Growing along or beneath the surface of the ground and rooting at intervals, usually at the nodes. Cultivar A horticultural variety originating from a cultivated plant, possessing...

Botanical References for This Volume

Tuberous Thickened like a tuber, as in roots. Variegated Differently colored areas, as in a leaf with streaks, marks, or patterns of various colors on its surface. Variety A subdivision of a species ranking lower than a subspecies. Velvety With erect, straight, moderately firm hairs, such as on a stem or leaf. Warty Covered with wartlike structures. Weed A plant that aggressively colonizes disturbed habitats or places where it is not wanted. Winged fruit seed A thin, flat extension or...

Section

Calcium Oxalate Raphides Image

Poisons, Poisoning Syndromes, and Their Clinical Management This section includes detailed scientific and clinical toxicological information. For nonphysicians, this scientific and medical information should be utilized for informational purposes only certain medical terms utilized in this section terms are not defined. For physicians, clinical care should not simply focus on the potential plant exposure, although this information is obviously helpful in many situations. Rather, clinical care...

Botanical Nomenclature

Structure Calyx Flower

Before the work of Carolus Linnaeus 1707-1778 , the botanist who established the binomial system of plant nomenclature, a plant sometimes had a name that consisted of many descriptive words. Linnaeus helped to standardize botanical nomenclature by establishing a genus and species name for each plant, followed by its designator. A clinical report involving a plant must always include the plant's botanical binomial name, which consists of both the genus and the species, for example, Duranta...

Palmately compound As

In a leaf with three or more lobes arising from a common point. Panicle A branching indeterminate inflorescence, usually broadest near the base and tapering upwards. Pantropical Found throughout the tropical regions. Pedicellate Borne on a pedicel stalk of a single flower in an inflorescence . Pendant Hanging, as in pendant racemes of flowers. Perennial A plant living more than 2 years. Petal A member of the inner set of floral leaves, usually colored or white and serving to attract...

Idioblasts In Stinging Nettle

Plant-Induced Dermatitis Phytodermatitis Skin-associated complaints are the most common form of plant poisoning reported to Poison Control Centers. Dermatologists often see patients with complaints directly or indirectly related to plant exposures Table 4 . For example, outdoor workers may directly develop dermatitis from the toxin-laden pollen from the various plants in the family Compositae Asteraceae e.g., chrysanthemums, which contain sesquiterpene lactones . Indirectly, the use of perfume...