Piper puerense, a new species of Piperaceae from Yunnan, China Author Su, Fan Spice and Beverage Research Institute, CATAS, Wanning 571533, Hainan, China & Ministry of Agriculture Key Laboratory of Genetic Resources Utilization of Spice and Beverage Crops, Wanning 571533, Hainan, China Author Ji, Xun-Zhi Spice and Beverage Research Institute, CATAS, Wanning 571533, Hainan, China & Ministry of Agriculture Key Laboratory of Genetic Resources Utilization of Spice and Beverage Crops, Wanning 571533, Hainan, China Author Wu, Bao-Duo Spice and Beverage Research Institute, CATAS, Wanning 571533, Hainan, China & Ministry of Agriculture Key Laboratory of Genetic Resources Utilization of Spice and Beverage Crops, Wanning 571533, Hainan, China Author Qin, Xiao-Wei Spice and Beverage Research Institute, CATAS, Wanning 571533, Hainan, China & Ministry of Agriculture Key Laboratory of Genetic Resources Utilization of Spice and Beverage Crops, Wanning 571533, Hainan, China Author Hao, Chao-Yun Spice and Beverage Research Institute, CATAS, Wanning 571533, Hainan, China & Ministry of Agriculture Key Laboratory of Genetic Resources Utilization of Spice and Beverage Crops, Wanning 571533, Hainan, China text Phytotaxa 2022 2022-12-08 575 2 159 165 http://dx.doi.org/10.11646/phytotaxa.575.2.5 journal article 204282 10.11646/phytotaxa.575.2.5 32f37cf6-b851-4b58-9540-e012d4c9496d 1179-3163 7413223

TABLE 1. Morphological comparisons between Piper puerense and Piper curtipedunculum.

Characters	P. puerense	P. curtipedunculum
Stems	densely pubescent when young, glabrous when mature	glabrous
Leaf blade on the monopodial branches	ovate to cordate, abaxial surface pubescent, especially on the veins	elliptic lanceolate, glabrous
Leaf blade on the sympodial branches	ovate, 8.5–12 cm × 4.3–6.5 cm	ovate or narrowly ovate to elliptic, 9–14 × 4–8 cm
Male flowers length	20–30 cm	13–15 cm
Bracts diameter	1–2 mm	0.5 mm
Female inflorescence length	12–18 cm	9–14 cm
Infructescence	15–22 cm	8–15 cm
Peduncle	1.5 cm, female and male spikes peduncle are nearly 2 times larger than the petiole	0.5–1cm, female and male spikes peduncle subequal to petiole
Fruit	1.0–1.5 mm in diameter	0.7–1.0 mm in diameter