本文描述分布自印度阿魯納恰爾邦莎草科薹屬的新種Carex sanjappae M. Bhaumik &
M.K. Pathak 以及新亞種Carex speciosa Kunth ssp. varmae M. Bhaumik & M.K. Pathak。Carex sanjappae 屬於單穗薹草組（section rarae），具有較長的穗、較長而寬的胞果且其頂端呈現平截的開口；文中並列表比較該新種與其他相近的物種。而Carex speciosa Kunth ssp.Varmae 可以其較長且具短硬毛的胞果及較窄的葉片作為辨識的依據；本文也提供的檢索表，以利該亞種的辨識。

Carex sanjappae M. Bhaumik & M.K. Pathak and Carex speciosa Kunth ssp. varmae M. Bhaumik & M.K. Pathak a new species and subspecies respectively are described and illustrated from Arunachal Pradesh, India. New species Carex sanjappae M. Bhaumik & M.K. Pathak belongs to the section ‘rarae’, characterized by longer spikes, utricle longer, wider and truncate
aperture at apex. Comparative analyses of characters of closely related species are given in a table. Whereas new subspecies Carex speciosa ssp varmae M. Bhaumik & M. K. Pathak is worth recognizing by its longer, strongly hispidulous utricles and narrower leaves. A dichotomous key is provided for easy recognition from other subspecies.