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Issue: Vol. 236 No. 3: 1 December 2015
Type: Correspondence
Published: 2015-12-01
DOI: 10.11646/phytotaxa.236.3.12
Page range: 291–295
Abstract views: 31
PDF downloaded: 28

Piper peltatifolium, a new species of Piperaceae from Hainan, China

Spice and Beverage Research Institute, Chinese Academy of Tropical Agricultural Sciences, Wanning, Hainan 571533, China Key Laboratory of Genetic Resources Utilization of Spice and Beverage Crops, Ministry of Agriculture, Wanning, Hainan 571533, China.
Center for Integrative Conservation, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Menglun, Mengla, Yunnan 666303, China.
Spice and Beverage Research Institute, Chinese Academy of Tropical Agricultural Sciences, Wanning, Hainan 571533, China Key Laboratory of Genetic Resources Utilization of Spice and Beverage Crops, Ministry of Agriculture, Wanning, Hainan 571533, China.
Spice and Beverage Research Institute, Chinese Academy of Tropical Agricultural Sciences, Wanning, Hainan 571533, China Key Laboratory of Genetic Resources Utilization of Spice and Beverage Crops, Ministry of Agriculture, Wanning, Hainan 571533, China.
Spice and Beverage Research Institute, Chinese Academy of Tropical Agricultural Sciences, Wanning, Hainan 571533, China Key Laboratory of Genetic Resources Utilization of Spice and Beverage Crops, Ministry of Agriculture, Wanning, Hainan 571533, China.
Spice and Beverage Research Institute, Chinese Academy of Tropical Agricultural Sciences, Wanning, Hainan 571533, China Key Laboratory of Genetic Resources Utilization of Spice and Beverage Crops, Ministry of Agriculture, Wanning, Hainan 571533, China.
Spice and Beverage Research Institute, Chinese Academy of Tropical Agricultural Sciences, Wanning, Hainan 571533, China Key Laboratory of Genetic Resources Utilization of Spice and Beverage Crops, Ministry of Agriculture, Wanning, Hainan 571533, China.
Spice and Beverage Research Institute, Chinese Academy of Tropical Agricultural Sciences, Wanning, Hainan 571533, China Key Laboratory of Genetic Resources Utilization of Spice and Beverage Crops, Ministry of Agriculture, Wanning, Hainan 571533, China.
diversity morphology taxonomy tropical flora Magnoliids China

Abstract

Piper peltatifolium, a new species of Piperaceae from Hainan, China, is here described and illustrated. The new species is morphologically similar to P. hongkongense, but the former can be easily distinguished by the combination of characteristics: trophophyll blades peltate and subleathery with nonbranched hairs; leaves with longer sheaths; stamens usually only two; anthers ovoid and shorter than filaments; ovaries ellipsoid to ovoid; stigmas 3 or 4, or rarely 5; bracts suborbicular, sessile, and adnate to rachis; and drupes slightly hispidulous.