Plagiochila parvivittata Inoue var. siangensis var. nov. (Plagiochilaceae, Marchantiophyta) from Arunachal Pradesh, India
AbstractPlagiochila parvivittata Inoue var. siangensis var. nov. is described from West Siang district in Arunachal Pradesh, Eastern Himalaya, India. The new taxon differs from the typical variety in larger length/breadth ratio of leaves with fewer marginal teeth, (0-) 2–3 teeth along the dorsal margin of leaves near apex, terminal cell of marginal teeth 4–12 (-18) times longer than wide and a very distinct vitta area with the cells measuring 75–114 × 15–21 μm in size.
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