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

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

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Adj.

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"

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References in periodicals archive

Sex organs are of the common leptosporangiate type.

Gametophyte morphology of Acrostichum aureum and A. danaeifolium (Pteridaceae)

Phylogeny and evolution of ferns (Monilophytes) with a focus on the early Leptosporangiate divergences.

Novedades para la pteridoflora iberica en el contexto de un nuevo sistema para las plantas vasculares sin semilla/Novelties for the iberian pteridoflora in the context of a new system for the seedless vascular plants

Phylogeny of ferns inferred from 400 leptosporangiate species and three plastid genes.

Revision del genero Megalastrum (Dryopteridaceae) para la Argentina

Harper, A sexual multiplication of leptosporangiate ferns through tissue culture [M.S.

In vitro conservation of some threatened and economically important ferns belonging to the Indian subcontinent

1989.-Sieve-pore development in some leptosporangiate ferns.

Desarrollo del esporangio en Pecluma eurybasis var. villosa (Polypodiaceae)

Leptosporangiate fern gametophytes typically pass through a series of morphological stages ending in a 2-dimensional, heart-shaped thallus characterized by an apical notch.

Botany and plant ecology

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).

Homologous versus antithetic alternation of generations and the origin of sporophytes

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.

Handbook to the flora of Ceylon, v.15; Part B: Ferns and Fern-Allies. (rev.ed.)

Pleopeltis polypodiodes is an epiphytic leptosporangiate fern that occurs throughout the southeastern United States.

Ecology and Evolutionary Biology

The order Polypodiales has a diversity of growth habits and has small, specialized sporangia that produce smaller quantities of spores (leptosporangiate).

PTERIDOPHYTES OF NORTHEAST ALABAMA AND ADJACENT HIGHLANDS III: OPHIOGLOSSALES AND POLYPODIALES (Aspleniaceae to Dennstaedtiaceae)

Studies in vesicular-arbuscular endophytes II Endophytes in the Pteridophyta, with special references to leptosporangiate ferns.

Micorriza arbuscular, Mucoromycotina y hongos septados oscuros en helechos y licofitas con distribucion en Mexico: una revision global