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Duhamel du Monceau, Henri Louis

(Encyclopedia)Duhamel du Monceau, Henri Louis äNrēˈ lwē düämĕlˈ dü môNsōˈ [key], 1700–1782, French agriculturist and tree expert. He did experimental work on plant physiology and ecology and wrote The...

Kangding

(Encyclopedia)Kangding or Kangting both: kängˈdĭngˈ [key], city (1990 pop. 98,960), W Sichuan prov., China, in the Garze Tibetan Autonomous Region. It is a transportation center on the main road from Chengdu to...

kinetin

(Encyclopedia)kinetin kīˈnətĭn [key], one of a group of chemically similar plant hormones, the cytokinins, that promote cell division. In some instances kinetin acts together with another hormone, indoleacetic ...

brier

(Encyclopedia)brier or briar, name sometimes given any thorny plant, more specifically the sweetbrier, and the greenbrier. French brier, or brierroot, is a name for the root of the European white heath so widely us...

Bukavu

(Encyclopedia)Bukavu bo͞okäˈvo͞o [key], city, capital of Sud-Kivu province, E Congo (Kinshasa), a port on ...

figwort

(Encyclopedia)CE5 Figwort, Scrophularia lanceolata figwort, common name for some members of the Scrophulariaceae, a family comprising chiefly herbs and small shrubs and distributed widely over all continents. T...

flower

(Encyclopedia)CE5 Longitudinal cross section of a flower at the time of fertilization, showing a pollen grain and a pollen tube. flower, name for the specialized part of a plant containing the reproductive orga...

herbicide

(Encyclopedia)herbicide hrˈbəsīdˌ [key], chemical compound that kills plants or inhibits their normal growth. A herbicide in a particular formulation and application can be described as selective or nonselectiv...

pigmentation

(Encyclopedia)pigmentation, name for the coloring matter found in certain plant and animal cells and for the color produced thereby. Pigmentation occurs in nearly all living organisms. Almost all plants synthesize ...

Lipton, Seymour

(Encyclopedia)Lipton, Seymour, 1903–86, American sculptor, b. New York City. Self-taught as a sculptor, Lipton worked directly in sheet metals and molten alloys, creating organically twisting forms with richly br...