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1 July 2002 A systematic histological study of palm fruits. VI. Subtribe Linospadicinae (Arecaceae)
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Abstract

The pericarp structure of representative species of the four genera of the subtribe Linospadicinae is described and compared. Tissues found in the pericarp of this group are similar to those found in other subtribes of the Areceae, with no characters unique to the subtribe and nothing to suggest its closest affinities. The four genera, as well as each species examined, do show distinctive pericarp features, however. Laccospadix and Linospadix are similar, both with a single series of fibrous bundles and an outer series of prominent raphide-bearing cells dominating the pericarp. In both Howea and Calyptrocalyx, a complex exocarp forms from a series of fibrous bundles and brachysclereids, but each genus has other distinctive characters. Howea has vascular bundles in the exocarp zone, an outer series of raphide-bearing cells, and a conspicuously thickened locular epidermis. Based on a limited sample of four species, raphide-bearing cells appear to be always interior to the exocarp in Calyptrocalyx, and the locular epidermis is thin.

Frederick B. Essig "A systematic histological study of palm fruits. VI. Subtribe Linospadicinae (Arecaceae)," Brittonia 54(3), (1 July 2002). https://doi.org/10.1663/0007-196X(2002)054[0196:ASHSOP]2.0.CO;2
Published: 1 July 2002
JOURNAL ARTICLE
6 PAGES

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