leptosporangiate


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Related to leptosporangiate: eusporangiate

leptosporangiate

derived from a single cell and having a wall one cell thick.
References in periodicals archive ?
Sex organs are of the common leptosporangiate type in species of study, adult gametophytes are cordiform and glabrous.
Arbuscular mycorrhizal colonization in field-collected terrestrial cordate gametophytes of pre-polypod leptosporangiate ferns (Osmundaceae, Gleicheniaceae, Plagiogyriaceae, Cyatheaceae).
triphylla are typical for leptosporangiate ferns (Nayar & Kaur 1971).
Biogeography of Mesozoic leptosporangiate ferns related to extant ferns.
This is commonly interpreted in terms of the more highly specialized leaves of the leptosporangiate ferns as composed of a single frond; it has apparently an anterior sterile and a posterior fertile segment.
genome evolution in early diverged leptosporangiate
A third order of homosporous ferns, the Filicales, is the most species rich of non-angiospermous vascular plant groups (Rothwell, 1996b) and is widely regarded as leptosporangiate (Gifford & Foster, 1989).
1): leptosporangiate ferns, marattioid ferns, psilophytes (adder's tongue ferns, moonworts, and whisk ferns respectively), and horsetails (Smith et al.
Comparative leaf structure of several species of homosporous leptosporangiate ferns.
(1982) A survey for 1,3,6,7-tetrahydroxy-C-glycosylxanthones emphasizing the "primitive" leptosporangiate ferns and their allies.
Morphological functions of gibberelins in leptosporangiate fern gametophytes: insights into the evolution of form and gender expression.