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Vegetative and reproductive morphology of Herpochondria corallinae (Martens) Falkenberg and H. elegans (Okamura) Itono (Ceramiaceae, Rhodophyta) from Korea

Abstract

The vegetative and reproductive morphology of two epiphytic Herpochondria species, H. corallinae (Martens) Falkenberg (the type species) and H. elegans (Okamura) Itono from Korea were investigated. They are bilaterally compressed and alternate-distichously branched, and lateral branches are produced by oblique divisions of the apical cell. Procarps are restricted to the first periaxial cell of the branches. Spermatangial mother cells produce one or two spermatangia. H. corallinae forms tetrasporangia on six periaxial cells, whereas H. elegans has them on only the two lateral periaxial cells. The prostrate habit, the production of six periaxial cells in opposite pairs, and tetrasporangial stichidia are confirmed as diagnostic characters of the genus Herpochondria.

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Yeon-Shim, K., Lee, I.K. Vegetative and reproductive morphology of Herpochondria corallinae (Martens) Falkenberg and H. elegans (Okamura) Itono (Ceramiaceae, Rhodophyta) from Korea. Hydrobiologia 260, 97–104 (1993). https://doi.org/10.1007/BF00049008

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  • DOI: https://doi.org/10.1007/BF00049008

Key words

  • Ceramiaceae
  • Herpochondria corallinae
  • H. elegans
  • reproductive morphology
  • Rhodophyta
  • vegetative structure