Taxonomic notes on Cyperaceae of Nepal: new records of a genus, six species and other noteworthy species Author Bhandari, Prabin https://orcid.org/0000-0002-0199-8656 State Key Laboratory of Systematic and Evolutionary Botany, Institute of Botany, Chinese Academy of Sciences, Beijing, 100093, China & University of Chinese Academy of Sciences, Beijing, 100049, China Author Chaudhary, Satyam Central Department of Environmental Sciences, Tribhuvan University, Kirtipur, Nepal Author Neupane, Ajay Mechi Multiple Campus, Tribhuvan University, Bhadrapur, Jhapa, Nepal Author Zhou, Shi-Liang State Key Laboratory of Systematic and Evolutionary Botany, Institute of Botany, Chinese Academy of Sciences, Beijing, 100093, China slzhou@ibcas.ac.cn Author Zhang, Shu-Ren State Key Laboratory of Systematic and Evolutionary Botany, Institute of Botany, Chinese Academy of Sciences, Beijing, 100093, China srzhang@ibcas.ac.cn text PhytoKeys 2021 2021-08-09 180 141 156 http://dx.doi.org/10.3897/phytokeys.180.67634 journal article http://dx.doi.org/10.3897/phytokeys.180.67634 1314-2003-180-141 14A44A7698BB5CE2975CAB8663D02E16 Fimbristylis acuminata Vahl, Enum. Pl. 2: 285. 1805. Type . India , Koenig s.n. [ holotype : C, (C10010413 image!)]. Description. Plant annual, tufted. Culm terete, up to 22 cm long. Leaf reduced to the bladeless sheath. Involucral bract absent. Inflorescence terminal with a single erect or slightly nodding spikelet. Spikelet lanceolate-ovoid, 5-10 x 1.5-3 mm. Glumes pale green or brown-tinged, ovate, 3-4 x 2-2.5 mm, apex obtuse and mucronate. Style flattened, apically ciliate, 2.5 mm long. Stigmas 2, ciliate. Stamens 2, as long as glumes. Achene brownish-black, obovoid, 1.5 x 1-1.5 mm, biconvex, with 6-7 rows of transversely wavy reticulation in each face, pitted with hexagonal cells, shortly stipitate. (Fig. 2B ). Distribution. Nepal (new record), Bhutan, India, China, Bangladesh, Sri Lanka, Laos, Malaysia, Thailand, Indonesia, Philippines, Vietnam, New Guinea and Australia. Ecology. Grows in flood plains, riverbanks and semi-dry paddy fields; 70-676 m elev. Phenology. Flowering in August-September; fruiting in October-December. Specimens examined. Nepal , Kaski : Pokhara Valley , Sita Paila , 28°10'30.92"N , 83°59'40.36"E , 676 m elev., 11 Oct 2020 , P. Bhandari & A. Bhandari 20101101 (KATH, TUCH) ; Jhapa : Kachankawal RM , Baniyani , 26°26'15.94"N , 88°3'1.28"E , 70 m elev., 04 Dec 2020 , S. Chaudhary 20120406 (KATH) .