Xyris

Morel, Jérémie & Munzinger, Jérôme, 2021, Novitates neocaledonicae. XIII. Taxonomy and nomenclature of the genus Xyris (Xyridaceae, Poales) in New Caledonia, with description of a new species, Phytotaxa 502 (3), pp. 219-229 : 226

Key to the species of New Caledonian Xyris based on reproductive characters

1 Staminodes included, reduced to filaments; stigmas not alternate with petals ( Fig. 5 , A)......................................... X. desquamatus

- Staminodes excluded, apex densely feathery; stigmas alternate with petals ( Fig. 5 , B, C) ...............................................................2

2 Filaments protrude from the claws of the corolla about twice the size of the anthers; apex of staminodes trilobed ( Fig. 5 , C) ......... .................................................................................................................................................................................. X. neocaledonica

- Filaments barely protrude from the claws of the corolla; apex of staminodes dilated to a large truncated disc ( Fig. 5 , B) ................ ........................................................................................................................................................................................... X. pancheri

Figures

FIGURE 5.—Comparison between flowers of the three species of Xyris of New Caledonia. A X. desquamatus (same population as Gâteblé et al. 1070 & 1071) B X. pancheri (Gâteblé 999) C X. neocaledonica (Munzinger et al. 7689). Photos by Gildas Gâteblé (A–B) and Jérôme Munzinger (C).