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Lombok

(Encyclopedia)Lombok lŏmbŏkˈ [key], island (1990 pop. 2,403,025), c.1,825 sq mi (4,725 sq km), E Indonesia, one of the Lesser Sundas, separated from Bali by the Strait of Lombok. Mataram, with the port of Ampena...

Pavlof Volcano

(Encyclopedia)Pavlof Volcano, active volcano, 8,177 ft (2,493 m) high, W Alaska Peninsula, SW Alaska, on the W shore of Pavlof Bay. It and its neighboring twin volcano, Pavlof Sister, 7,028 ft (2,142 m) high, are l...

cortex

(Encyclopedia)cortex, in botany, term generally applied to the outer soft tissues of the leaves, stems, and roots of plants. Cortical cells of the leaves and outer layers of nonwoody stems contain chloroplasts, and...

pollination

(Encyclopedia)pollination, transfer of pollen from the male reproductive organ (stamen or staminate cone) to the female reproductive organ (pistil or pistillate cone) of the same or of another flower or cone. Polli...

ginkgo

(Encyclopedia)ginkgo gĭngˈkō [key] or maidenhair tree, tall, slender, picturesque deciduous tree (Ginkgo biloba) with fan-shaped leaves. The ginkgo is native to E China, where it was revered by Buddhist monks an...

Pfeffer, Wilhelm

(Encyclopedia)Pfeffer, Wilhelm vĭlˈhĕlm pfĕˈfər [key], 1845–1920, German plant physiologist. He was professor of botany successively at the universities of Bonn, Basel, Tübingen, and Leipzig (from 1887). W...

pith

(Encyclopedia)pith, in botany, core of the stem of most plants. Pith is composed of large, loosely packed food-storage cells. As the stem grows older the pith usually dries out, and in some it disintegrates and the...

horsetail

(Encyclopedia)horsetail, any plant of the genus Equisetum [Lat.,=horse bristle], the single surviving genus of a large group (Equisetophyta) of primitive vascular plants. Like the ferns and club mosses, relatives o...

Barton, Benjamin Smith

(Encyclopedia)Barton, Benjamin Smith, 1766–1815, American physician and botanist, b. Lancaster, Pa., studied at the College of Philadelphia, at Edinburgh, and at Göttingen (M.D., 1789). He taught at the College ...

conifer

(Encyclopedia)conifer kŏnˈĭfûr [key] [Lat.,=cone-bearing], tree or shrub of the order Coniferales, e.g., the pine, monkey-puzzle tree, cypress, and sequoia. Most conifers bear cones and most are evergreens, tho...
 

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