Summary. Mapania multiflora is described and illustrated. It is vegetatively similar to taxa with broad leaves and pseudopetioles, such as M. cuspidata. However, it is reproductively similar to sect. Thoractostachyum with a paniculate inflorescence and furrowed fruit. The DNA is similar to M. bancana in sect. Thoractostachyum, in the three sampled cpDNA regions: atpH-F, trnL-F and psbA-trnH. However, it is identical to none of these due to its unique combination of vegetative, reproductive and molecular characteristics.
Mapania sapuaniana, a spectacular new sedge species from Lanjak Entimau, Sarawak, is described and illustrated. It is closely related to M. richardsii and M. borneensis but differs in having broad leaves with a distinct pseudopetiole, reddish purple or maroon coloration on the underside of the leaf and petiole and an inflorescence composed of several spikes.
Mapania kadimiana Shabdin, Meekiong & Miraadila, a new species from Sarikei Division, Sarawak isdescribed and illustrated. It possesses distinctly 3-ranked leaves with tightly imbricated leaf sheaths anddistinctly dark chocolate brown which closely similar to M. spadicea Uittien. The new species however, isdifferent by having 1-4 spikes in sessile terminal capitulum whereas M. spadicea always has solitary spikes. M.kadimiana occurs lithophytically on rock surface or in damp or wet places on slopes near streams. Recognitionof M. kadimiana increased the total number of Mapania in Sarawak to 32 species.
MIRAADILA, M. I., SHABDIN, Z. & MEEKIONG, K. 2016. Two new species and one new geographical record for Sarawak, Malaysia (Cyperaceae: Mapanioideae). Reinwardtia 15(2): 129 – 135. — Mapania hidiriana and M. sembilingensis, two new species from Sarawak, Malaysia are described and illustrated. Mapania hidiriana can be differentiate from M. meditensis by elongated lanceolate inflorescences. Whilst, M. sembilingensisis differ from M. multiflora and M. hispida by the floral and fruit morphologies. In additional, M. spadicea Uittien, a new geographical record for Sarawak is also presented.
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