leptosporangiate


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Related to leptosporangiate: eusporangiate

leptosporangiate

(ˌlɛptəʊspəˈrændʒɪɪt)
adj
(Botany) (of ferns) having each sporangium developing from a single cell, rather than from a group, and normally with specialized explosive spore dispersal. Compare eusporangiate
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.leptosporangiate - (of ferns) having each sporangium formed from a single epidermal cell; "leptosporangiate ferns"
eusporangiate - (of ferns) having sporangia that arise from a group of epidermal cells; "eusporangiate ferns of the families Ophioglossaceae and Marattiaceae"
References in periodicals archive ?
Studies in vesicular-arbuscular endophytes II Endophytes in the Pteridophyta, with special references to leptosporangiate ferns.
Phylogeny of ferns inferred from 400 leptosporangiate species and three plastid genes.
triphylla are typical for leptosporangiate ferns (Nayar & Kaur 1971).
Sieve-pore development in some leptosporangiate ferns.
Fern phylogeny inferred from 400 leptosporangiate species and three plastid genes.
Leptosporangiate fern gametophytes typically pass through a series of morphological stages ending in a 2-dimensional, heart-shaped thallus characterized by an apical notch.
This generalization uses the leptosporangiate ferns as the implicit model of pteridophyte life-cycles (but even among leptosporangiate ferns there are taxa in which gametophytes are longer-lived than sporophytes and reproduce vegetatively: Dassler & Farrar, 1997).
Phylogeny and evolution of fern (Monilophytes) with a focus on the early leptosporangiate divergences.
of Peradeniya and government agencies of Sri Lanka and the Overseas Development Administration of the UK, contributors offer the latest on fern allies such as psilotaceae and isoetaceae, leptosporangiate (aquatic) ferns such as salviniaceae and marsileaceae, and the full range of eusporangiate ferns.
Pleopeltis polypodiodes is an epiphytic leptosporangiate fern that occurs throughout the southeastern United States.
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.