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Journal Article

Multiple Cones in Zamia Floridana

Frances Grace Smith
Botanical Gazette
Vol. 88, No. 2 (Oct., 1929), pp. 204-217
Stable URL: http://www.jstor.org/stable/2471256
Page Count: 14

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Topics: Plants, Aerial parts, Tree trunks, Peduncle, Leaves, Branches, Plant growth, Leaf buds
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Multiple Cones in Zamia Floridana
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Abstract

Multiple cones in Zamia floridana may have three methods of development: 1. They may be traced back to a sympodium which shows a rapid formation of cone domes one after another. This is most common. 2. Sympodial development of cone domes is found in certain branches, but in them the forking of the bundle system begins near the base of a terminal cone, which was not turned to one side but remained erect as shown by the remnant of its peduncle. 3. Adventitious buds appear in the cortical tissue closely connected with the stelar system of the trunk, and these buds continue their development like typical stems.

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