Notes relating to the Flora of Bhutan: XXI. Carex (Cyperaceae)

Abstract

The following new species and subspecies are described: Carex burttii Noltie, C. griersonii Noltie, C. nigra (L.) Reich, subsp. drukyulensis Noltie, C. schlagintweitiana Boeck. subsp. deformis Noltie, C. speciosa Kunth subsp. dilatata Noltie, C. speciosa subsp. pinetorum Noltie, C. laeta Boott subsp. gelongii Noltie. The new combination C. fusiformis Nees subsp. finitima (Boott) Noltie is made. C. sikkimensis C.B. Clarke is reduced to the synonymy of C. fucata Boott ex C.B. Clarke, and C. praelonga C.B. Clarke to that of C. teres Boott. Notes are provided on C. notha Kunth, C. inclinis C.B. Clarke, C. inanis C.B. Clarke and C. alopecuroides D. Don ex Tillooh & Taylor. C. fastigiata Franch. and C. radicalis Boott are reported new to Bhutan and C. montis-everestii Kük. new to Sikkim. Lectotypes are designated for C. fucata, C. sikkimensis, C. teres, C. praelonga, C. setigera γ humilis, C. inanis. C. fusiformis, C. finitima, C. alopecuroides, C. chlorostachys D. Don ex Tilloch & Taylor and C. alopecuroides var. chlorostachya C.B. Clarke. A phytogeographical checklist is provided for species occurring in the Flora of Bhutan area.