The Madder plant family of the order Rubiales, subclass Asteridae, class Magnoliopsida includes important medicinal plants that provide QUININE; IPECAC; and COFFEE. They have opposite leaves and interpetiolar stipules.

A plant genus of the family RUBIACEAE. Members contain psychotridine and brachycerine (indole alkaloids).

A plant genus of the family RUBIACEAE. It is best known for the COFFEE beverage prepared from the beans (SEEDS).

A plant family of the order Myrtales, subclass Rosidae, class Magnoliopsida composed of tropical plants with parallel-nerved leaves.

A plant genus of the family RUBIACEAE. Members contain anthraquinones and iridoids. H. diffusa is used in DRUGS, CHINESE HERBAL.

A plant genus of the family RUBIACEAE. The root is a source of red dyes (madder color and 1,2,4-trihydroxy-9,10-anthracenedione) and ANTHRAQUINONES.

A continuous circle of peptide bonds, typically of 2-3 dozen AMINO ACIDS, so there is no free N- or C-terminus. They are further characterized by six conserved CYSTEINE residues that form CYSTINE KNOT MOTIFS.

The Indian plum plant family of the order Violales, subclass Dilleniidae class Magnoliopsida, that are tropical and subtropical trees and shrubs.

A plant genus of the family RUBIACEAE. Some species are used as an ingredient in Chinese and African traditional medicines. Members contain kalata B1, a macrocyclic peptide.

A plant genus of the family RUBIACEAE. Members contain iridoid glycosides and ANTHRAQUINONES.

Tracts of land completely surrounded by water.

A type of MONOTERPENES, derived from geraniol. They have the general form of cyclopentanopyran, but in some cases, one of the rings is broken as in the case of secoiridoid. They are different from the similarly named iridals (TRITERPENES).