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Isachne soderstromii sp. nov. (Poaceae, Micrairoideae, Isachneae) from Dominica, Lesser Antilles
Author(s) -
Rodrigues Rodrigo S.,
Filgueiras Tarciso S.
Publication year - 2018
Publication title -
nordic journal of botany
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.333
H-Index - 33
eISSN - 1756-1051
pISSN - 0107-055X
DOI - 10.1111/njb.01847
Subject(s) - biology , pedicel , taxon , botany , poaceae , key (lock) , taxonomy (biology) , genus , taxonomic key , panicle , west indies , ecology , history , ethnology
Isachne soderstromii , a new species from Dominica in the Lesser Antilles, is described and illustrated. The new species can be recognized by the combination of the following features: distichous leaves, blades with conspicuous midrib, panicle branches and pedicels with glandular bands, and glabrous rachilla between the lower and the upper similar anthoecia. The new taxon is compared with morphologically related Central American and Caribbean species of the genus. Additionally, a key to the species of Isachne occurring in Central America and the Antilles is provided.