Stomata in Bomarea (Alstroemeriaceae)

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Leaf surface and epicuticular wax of the subgenera Bomarea (A–D) and Sphaerine (E, F). A, Bomarea crassifolia, adaxial side; B–D, B. cordifolia, B, C, adaxial side, D, abaxial side; E, F, B. distichifolia, E, adaxial side, F, abaxial side. Note hairs (A, B, E) and wax-covered stoma (C). Scale bars: A, B, 700 µm; C, D, 44 µm; E, 70 µm; F, 300 µm.


Functional leaf anatomy of Bomarea Mirb. (Alstroemeriaceae)

by Hofreiter A., Lyshede O. B. (2006)

Anton Hofreiter, Ole B. Lyshede,


in Botanical Journal of the Linnean Society 152(1): 73–90,


The leaf anatomy of Bomarea is described and related to ecological conditions. The principal architecture of all species is very similar; adaptations are developed in numerous differences, for instance degree of lignification. All species have inverse leaves, the adaxial side being the stomatous side. In most species, the leaves are resupinate, the lower surface being the adaxial. Theories for the cause of resupination are discussed.

The stomata appear only between the vascular bundles