Rheum: alternatives and connections

A vessel, cell, duct, or tube containing or conducting air; as the air vessels of insects, birds, plants, etc.; the air vessel of a pu…

A genus of succulent plants, some classed as trees, others as shrubs, but the greater number having the habit and appearance of evergr…

any of various plants of the genus Althaea; similar to but having smaller flowers than genus Alcea

any of various plants of the genus Althaea; similar to but having smaller flowers than genus Alcea

A species or genus in one country closely related to a species of the same genus, or a genus of the same group, in another: such speci…

The pistillidium or female organ in the higher cryptogamic plants, corresponding to the pistil in flowering plants.

A genus of plants including the plants called mugwort, southernwood, and wormwood. Of these A. absinthium, or common wormwood, is well…

A genus of plants, mostly of tropical America, many species of which are grown as ornamental plants. The leaves are curiously one-side…

the use of plants or plant extracts for medicinal purposes (especially plants that are not part of the normal diet)

A genus (Orobanche) of parasitic plants of Europe and Asia. They are destitute of chlorophyll, have scales instead of leaves, and spik…

any of several yellow-flowered plants of the genus Packera; often placed in genus Senecio

A glucoside extracted from rhubarb as a bitter, yellow, crystalline powder, and yielding chrysophanic acid on decomposition.

A large genus of plants having monopetalous flowers, including the common bindweed (C. arwensis), and formerly the morning-glory, but…

A genus of herbaceous composite plants, having the achenes two-horned and remotely resembling some insect; tickseed. C. tinctoria, of…

A genus of bulbous plants, of the order Amaryllidace/, cultivated as greenhouse plants on account of their beauty.

A genus of plants native to Mexico and Central America, of the order Compositae; also, any plant or flower of the genus. The numerous…

An orange-red crystalline substance, C15H10O5, obtained from the buckthorn, rhubarb, etc., and regarded as a derivative of anthraquino…

Pertaining to a genus or kind; relating to a genus, as distinct from a species, or from another genus; as, a generic description; a ge…