homospory

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homospory

[hə′mäs·pə·rē]
(botany)
Production of only one kind of asexual spore.
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References in periodicals archive ?
In Fern Clade #1 the homosporous species Stauropteris oldhamia is sister to the heterosporous species Gillesplea randolphensis + Stauropteris burntislandica.
We anticipate that future analyses which combine morphological data from living and fossil species will prove equally valuable for resolving familial relationships among families of homosporous leptosporangiate ferns.
Type of prothallial development in homosporous ferns.
The contribution by the gametophyte to the classification of the homosporous ferns.
High genetic diversity has been observed in homosporous pteridophytes with high degree of outcrossing (Maki and Asada, 1998; Kang et al.
Traditionally, it has been maintained that most homosporous fern species are outbreeders or inbreeders (Soltis and Soltis, 1992) but more recent data suggest that the species could present a mix of reproductive strategies (de Groot et al.
The distribution of selfing rates in homosporous ferns.
Dryopteridaceae, Cyrtomium, allozymes, conservation, founder effect, glacial refugia, homosporous fern, gametophytic selling, population history, population structure
Finally, in many homosporous ferns, in the absence of genetic load a single spore could produce a sporophyte via intragametophytic selfing (self-fertilization of a haploid gametophyte), enabling the successful colonization of new sites (Lloyd, 1974; Flinn, 2006; Edgington, 2007; Wubs et al.
Habitat specificity and recurrent gene flow of homosporous ferns should be regarded as factors determining the degree of population differentiation.