Misionella (Iridaceae: Tigridieae) a new genus from Campos eco-region of Southeast South American grasslands
DOI:
https://doi.org/10.5902/2358198090678Keywords:
Alophia, Grasslands, Cypella, Cypelloid, Herbertia, Kelissa, Onira, TigridieaeAbstract
It is proposed the new genus Misionella belonging to the tribe Tigridieae. Misionella is closely related to the
genera Cypella, Kelissa and Onira, and vegetative and anatomically also resembles Herbertia. Misionella is
constituted by two species, Misionella Hauthalii and Misionella opalina (with two subspecies: opalina and
minuticristata). Misionella is endemic on grassland areas occurring in northeast Argentina (Corrientes and
Misiones provinces), center and northwestern Rio Grande do Sul state, Brazil and southern Paraguay (Itapuã
and Paraguari departments ). The genus Misionella is taxonomically revised, and its species are described and
illustrated in detail and its geographic distribution is represented on a map. Data on etymology, geographic
distribution, habitat, phenology, conservation, uses and vernacular names are provided, as well as discussions
of taxonomic relationships of Misionella with related taxa. A dichotomous key for distinguishing the genera of
Iridaceae-Tigridieae from South America is presented.
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