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| Zingiber dimapurense N.Odyuo, D.K.Roy & A.A.Mao, in Odyuo, Roy & Mao, 2019. |
Abstract
A new species of Zingiber section Cryptanthium Horaninow (Zingiberaceae), Zingiber dimapurense N.Odyuo, D.K.Roy & A.A.Mao, from Nagaland, Northeastern India is described and illustrated. Morphological diagnostic characters of closely related congeners are discussed.
Keywords: NE India, new species, Zingiberaceae, Zingiber section Cryptanthium
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| Figure 1. Zingiber dimapurense N.Odyuo, D.K.Roy & A.A.Mao: A. Habit. B. Mid portion of Leafy shoots. C. Petiole and ligule. D. Ligule, frontal view. E. Lamina surface beneath. F. & G. Inflorescences. H. Basal portion of Leafy shoots with rhizome and inflorescences. [Photographed by D.K. Roy]. |
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| Figure 2. Zingiber dimapurense N.Odyuo, D.K.Roy & A.A.Mao: A. Inflorescences. B. Transverse section of Rhizome, with an inflorescence. C. A flower with bracteole. D. A flower with calyx. E. Floral bract. F. Bracteole. G. Calyx. H. Dorsal corolla lobe. I. Lateral corolla lobes. J. Labellum (frontal view). K. Labellum (dorsal view). L. Stamen with style and stigma. M. Pistil, with epigynous glands. N. Ovary, with epigynous glands. O. Transverse section of ovary. P. Stigma. Q. Pollens. [Photographed by D.K. Roy]. |
Zingiber dimapurense N.Odyuo, D.K.Roy & A.A.Mao
The new species is similar to Z. mizoramensis Ram.Kumar, Sushil K.Singh & S.Sharma in creamy white bracteoles with purplish red tinges, ovate-lanceolate to lanceolate, subequal, purplish pink corolla lobes with white base and creamy white anther crest with purplish apex and to Z. skornickovae N.S.Lý in hairy ligule and petiole, adaxially pubescent lamina, dorsally densely pubescent bracts and in pubescent calyx and corolla tube, but differs from them in leathery, densely hairy, to 1 cm long ligule, comparatively larger petiole to 1 cm long, elliptic-lanceolate lamina, obovate spike with 15–28 floral bracts, oblanceolate to oblongoblanceolate, pale green to creamy white bracts with purplish red blotches at apex and along margins, apically bidentate calyx, ovate-lanceolate, white labellum with dense dark purplish red blotches and acuminate apex and in triangular to ovatelanceolate, white lateral staminodes.
Etymology: The specific epithet refers to the place of occurrence of this species.
Nripemo Odyuo, Dilip Kr. Roy and A. A. Mao. 2019. Zingiber dimapurense (Zingiberaceae), A New Species from Nagaland, India. NeBIO. 10(2); 59-65.
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