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Pandanaceae, family Pandanaceae, screw-pine family(noun)
family of woody plants of the order Pandanales including pandanus
The Pandanaceae are a family of flowering plants native to the tropics of the Old World. Such a family has been widely recognized by taxonomists. Pandanaceae are trees or climbing or scrambling shrubs distributed in the Old World tropics and are adapted from sea level in salted beaches to mountain cloud forest, and riverine forest habitat. The fruit is a drupe. It is a large family of four genera, in about 900 species, of trees, shrubs and root climbers found in the Old World tropical and subtropical regions, from West Africa through the Pacific. A highly variable genus complex, stems have aerial prop roots to provide support and display sympodial branching. The stems bear prominent leaf scars. This family are palmlike dioecious trees and shrubs Often called Palms, but these plants are not closely related to palm trees. The leaves are very long and narrow, sheathing, simple, undivided, with parallel veins; the leaf margins and adaxial midribs are typically very prickly. The plants are dioecious. Both male and female flowers lack calyx and corolla. Inflorescences are terminally borne. The flowers are minute, and are arranged in a racemose spadix with a subtended spathe or bracts which may be brightly colored. Male flowers contain numerous stamens arranged in a raceme or umbel with free or fused filaments. Female flowers have a superior ovary usually of many carpels in a ring but may be reduced to a row of carpels or a single carpel. Fruits are berries or multilocular drupes, and edibles.
U.S. National Library of Medicine
A plant family of the order Pandanales, subclass Arecidae, class Liliopsida (monocotyledons).
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