Australian Journal of Botany Australian Journal of Botany Society
Southern hemisphere botanical ecosystems

Vascularization of the scutellum of wheat

JG Swift and TP O'Brien

Australian Journal of Botany 18(1) 45 - 53
Published: 1970


The pattern of vascularization of the wheat scutellum shortly after germination is reconstructed from serial sections of plastic-embedded specimens. Nearly half of the phloem in the scutellum is unaccompanied by xylem. Most of the phloem tissue consists of distinct strands, composed of a central sieve tube encircled by a single ring of phloem parenchyma cells. The possible functions of this unusual vascular system are discussed in detail.

© CSIRO 1970

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