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The ligule of Isoetes - A prophyllar structure

Publication Type:Journal Article
Year of Publication:2002
Authors:B. D. Sharma, Bohra D. R.
Journal:Phytomorphology: An International Journal of Plant Morphology
Pagination:17 - 22
Date Published:2002///
Keywords:Heterosporous lycopods, Monocots, Ochreole, Ontogeny

Description is given of an early ontogeny of ligule in Isoetes. The flap-like portion of ligule protects young leaf primordium, whereas the basal glossopodium is large, complicated and remain embedded in leaf tissue and functions as a haustorial structure. The ligule is comparable to the prophyll of monocots and ochreole of Equisetum.

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