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Journal Article

Fascicled Roots of Cycas Revoluta

Geo. S. Bryan
American Journal of Botany
Vol. 23, No. 5 (May, 1936), pp. 334-335
Stable URL: http://www.jstor.org/stable/2436093
Page Count: 2

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Topics: Tap roots, Plants, Adventitious roots, Root systems, Plant roots, Seedlings, Seeds
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Abstract

Seedlings of Cycas revoluta grown under greenhouse conditions in pots and boxes of stated sizes and depths eventually develop a fascicled root system-a group of large, fleshy, adventitious roots. One or two of these roots make their appearance when the seedling is about 2 years old. In general one or more fleshy roots are added in each succeeding year and are persistent. The fleshy roots appear to arise at the junction of hypocotyl with stem proper. The number of fascicled roots on plants 7-8 years old ranged from 5 to 17. These specialized roots store both food and water.

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