Amount of calyx fibres in Lamiaceae, relation to calyx structure, phylogeny and ecology

  title={Amount of calyx fibres in Lamiaceae, relation to calyx structure, phylogeny and ecology},
  author={Olof Ryding},
  journal={Plant Systematics and Evolution},
Calyces of 306 species representing 181 out of the 236 genera of Lamiaceae have been studied with particular emphasis on the amount of fibres and similar xylem cells. A characteristic calyx tissue called ``mesophyll fibres'', reported by earlier authors, is found to belong to the xylem. Most species of the subfamilies Lamioideae and Scutellarioideae differ from most other labiates, and particularly from Nepetoideae, in having much larger amounts of fibres and similar xylem cells in the calyx… CONTINUE READING

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