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Morphology, vegetative and reproductive development of the red alga Portieria hornemannii (Gigartinales: Rhizophyllidaceae)
Payo, D. A. ; Calumpong, H.; De Clerck, O. (2011). Morphology, vegetative and reproductive development of the red alga Portieria hornemannii (Gigartinales: Rhizophyllidaceae). Aquat. Bot. 95(2): 94-102.
In: Aquatic Botany. Elsevier Science: Tokyo; Oxford; New York; London; Amsterdam. ISSN 0304-3770, more
Peer reviewed article  

Available in  Authors 
    VLIZ: Open Repository 225962 [ OMA ]

    Morphology (plant); Phylogeny; Reproduction; Vegetative reproduction; Portieria Zanardini, 1851 [WoRMS]; Portieria hornemannii (Lyngbye) P.C.Silva, 1987 [WoRMS]; Rhizophyllidaceae Schmitz, 1889 [WoRMS]; I, Indo-Pacific [Marine Regions]; Marine
Author keywords
    Portieria; Rhizophyllidaceae; Indo-Pacific; Morphology; Vegetative; Reproductive; Phylogeny

Authors  Top 
  • Payo, D. A., more
  • Calumpong, H.
  • De Clerck, O., more

    Earlier descriptions of the Indo-Pacific red alga Portieria hornemannii lacked detailed information on its vegetative and reproductive development and morphology. An in-depth treatment is presented on the development of the uniaxial thallus and the formation of male, female and tetrasporangial nemathecia. Post fertilization events and carposporophyte development is described, confirming Kylin's presumption on the development of connecting filaments between the carpogonium and the auxiliary cell following fertilization. Phylogenetic analysis using chloroplast encoded rbcL and nuclear ribosomal LSU gene sequences, including members of Rhizophyllidaceae and their close relatives suggests a monophyletic family. Contarinia is resolved as the sister taxon of a clade uniting Nesophila, Ochtodes and Portieria. The relationships among the latter genera remain largely unresolved.

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