The only family of the buckwheat order (Polygonales) of dicotyledonous flowering plants. It has 40 genera of herbs, shrubs, and trees.
A plant genus of the family POLYGONACEAE that is an ingredient of Shou-Wu-Pian, a Chinese herbal preparation (DRUGS, CHINESE HERBAL). The common name of black bindweed also refers to TAMUS or Fallopia (use POLYGONACEAE).
A plant genus of the family POLYGONACEAE that contains patientosides and other naphthalene glycosides.
A plant genus of the family POLYGONACEAE that is used as an EDIBLE GRAIN. Although the seeds are used as cereal, the plant is not one of the cereal grasses (POACEAE).
A plant genus of the family POLYGONACEAE. Members contain chrysophanic acid, rhein, EMODIN, and other ANTHRAQUINONES. The roots were formerly used as PURGATIVES.
The reproductive organs of plants.
A cluster of FLOWERS (as opposed to a solitary flower) arranged on a main stem of a plant.
The fertilizing element of plants that contains the male GAMETOPHYTES.
Works containing information articles on subjects in every field of knowledge, usually arranged in alphabetical order, or a similar work limited to a special field or subject. (From The ALA Glossary of Library and Information Science, 1983)
Members of the group of vascular plants which bear flowers. They are differentiated from GYMNOSPERMS by their production of seeds within a closed chamber (OVARY, PLANT). The Angiosperms division is composed of two classes, the monocotyledons (Liliopsida) and dicotyledons (Magnoliopsida). Angiosperms represent approximately 80% of all known living plants.
The relationships of groups of organisms as reflected by their genetic makeup.
It is a form of protection provided by law. In the United States this protection is granted to authors of original works of authorship, including literary, dramatic, musical, artistic, and certain other intellectual works. This protection is available to both published and unpublished works. (from Circular of the United States Copyright Office, 6/30/2008)
PLANTS, or their progeny, whose GENOME has been altered by GENETIC ENGINEERING.
Expanded structures, usually green, of vascular plants, characteristically consisting of a bladelike expansion attached to a stem, and functioning as the principal organ of photosynthesis and transpiration. (American Heritage Dictionary, 2d ed)
Proteins found in plants (flowers, herbs, shrubs, trees, etc.). The concept does not include proteins found in vegetables for which VEGETABLE PROTEINS is available.
The usually underground portions of a plant that serve as support, store food, and through which water and mineral nutrients enter the plant. (From American Heritage Dictionary, 1982; Concise Dictionary of Biology, 1990)
The functional hereditary units of PLANTS.
A technique of inputting two-dimensional images into a computer and then enhancing or analyzing the imagery into a form that is more useful to the human observer.
Common name for one of five species of small PARROTS, containing long tails.
Non-native organisms brought into a region, habitat, or ECOSYSTEM by human activity.
Warm-blooded VERTEBRATES possessing FEATHERS and belonging to the class Aves.
The encapsulated embryos of flowering plants. They are used as is or for animal feed because of the high content of concentrated nutrients like starches, proteins, and fats. Rapeseed, cottonseed, and sunflower seed are also produced for the oils (fats) they yield.
A plant genus of the family ASTERACEAE. Members contain galegine (GUANIDINES).
Organizations established by endowments with provision for future maintenance.
A plant species of the family POLYGONACEAE. Itadori tea is prepared from the root of this genus.
A plant genus of the family MYRICACEAE. Members contain myricanol. The common name of bayberry is similar to the name barberry which is used for BERBERIS and MAHONIA.
Botanically, a type of single-seeded fruit in which the pericarp enclosing the seed is a hard woody shell. In common usage the term is used loosely for any hard, oil-rich kernel. Of those commonly eaten, only hazel, filbert, and chestnut are strictly nuts. Walnuts, pecans, almonds, and coconuts are really drupes. Brazil nuts, pistachios, macadamias, and cashews are really seeds with a hard shell derived from the testa rather than the pericarp.