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Neomussaenda (Rubiaceae), a new genus from Borneo
Author(s) -
Tange Christian
Publication year - 1994
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/j.1756-1051.1994.tb00643.x
Subject(s) - stipule , biology , indumentum , botany , genus , inflorescence , pollen
A new genus, Neomussaenda is described to accommodate the species Greenea xanthophytoides and the new species Neomussaenda kostermansiana , described here. Neomussaenda is endemic to Borneo and differs from the genus Greenea in the induplicate‐valvate aestivation, shape and indumentum of the corolla, heterostyly, bifid stipules, pollen morphology, seed exotestal cells with tuberculate inner wall, ideoblasts filled with numerous minute druses, and fruits not opening while attached to the inflorescence, but may open later loculicidally by decay. It is close to the genera Pseudonmussaenda and Schizomussaenda , with which it shares the induplicate‐valvate aestivation and fruits with a splitting zone for loculicidaly dehiscence. Neomussaenda is placed in the tribe Isertieae.