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LOMATOGONIUM GAURGOPALII, A NEW SPECIES OF GENTIANACEAE FROM SIKKIM HIMALAYA

Published online by Cambridge University Press:  26 June 2019

M. Midday ,
J. Ghosh  and
D. Maity
M. Midday
Affiliation:
Taxonomy and Biosystematics Laboratory, Department of Botany, University of Calcutta, 35 Ballygunge Circular Road, Kolkata – 700 019, West Bengal, India. E-mail for correspondence: debmaity@yahoo.com
J. Ghosh
Affiliation:
Taxonomy and Biosystematics Laboratory, Department of Botany, University of Calcutta, 35 Ballygunge Circular Road, Kolkata – 700 019, West Bengal, India. E-mail for correspondence: debmaity@yahoo.com
D. Maity
Affiliation:
Taxonomy and Biosystematics Laboratory, Department of Botany, University of Calcutta, 35 Ballygunge Circular Road, Kolkata – 700 019, West Bengal, India. E-mail for correspondence: debmaity@yahoo.com
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Abstract

Lomatogonium gaurgopalii sp. nov., a new species of Gentianaceae from Sikkim Himalaya, is described and illustrated. It can be distinguished from its morphologically closest relative, Lomatogonium cherukurianum S.K.Dey & D.Maity, mainly by its robust habit, longer internodes, much larger creamy yellow flower and much larger floral parts; the presence of many hairs in an inverted semilunar arrangement behind the filament bases; and its larger, narrowly ovoid to narrowly ellipsoid ovary. Lomatogonium gaurgopalii is also unique in having pollen grains with striate-reticulate exine ornamentation without perforations.

Keywords

ConservationIUCN statusphytosociologypollen exine architecture

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Type
Articles
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Edinburgh Journal of Botany , Volume 76 , Issue 3 , November 2019 , pp. 393 - 401
Copyright
© Trustees of the Royal Botanic Garden Edinburgh (2019) 

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