Aristolochia sanheensis (Aristolochiaceae), a new species from Yunnan, Southwest China Author Yang, Jian-Mei 0000-0001-9857-427X School of Economics and Management, Southwest Forestry University, Kunming 650224, China yangjm@swfu.edu.cn Author Huang, Rui-Zhou 0000-0001-8642-6333 Research Institute of Tropical Forestry, Chinese Academy of Forestry, Guangzhou 510520, China & Nanjing Forestry University, Nanjing 210037, China huangruizhou@njfu.edu.cn Author Liu, Jia-Zhu 0009-0000-7853-1707 School of Economics and Management, Southwest Forestry University, Kunming 650224, China 2463686738@qq.com Author Zhang, Chao-Jiang 0009-0001-8525-1188 Nujiang Prefecture Science and Technology Bureau, Nujiang 673200, China 287325082@qq.com Author Yang, Yu-Rong 0009-0005-7977-8062 Nujiang Prefecture Agricultural Technology Extension Center, Nujiang 673200, China 1179081341@qq.com Author Yin, Lun 0000-0001-5191-6498 School of Economics and Management, Southwest Forestry University, Kunming 650224, China 13888267735@163.com text Phytotaxa 2024 2024-10-03 666 3 223 228 https://doi.org/10.11646/phytotaxa.666.3.6 journal article 308361 10.11646/phytotaxa.666.3.6 3fa330be-90e2-42b0-95df-4ded015af22e 1179-3163 14520063

TABLE 1. Comparison of characters among three species of Aristolochia.

Characters	A. sanheensis	A. luudamcui	A. forrestiana
Inner basal part of calyx	purple red with light yellow dots at	reddish-purple towards upper	black purple towards upper
tube	upper part	part	part
Inner upper part of calyx	basally purple red with light yellow	basally reddish-purple, light	basally black purple, purple red
tube	dots, light yellow with purple red at	yellow with light reddish-purple	at upper part
	upper part	at upper part
Limb outside	light brown	yellowish-green	light brown or purple
Limb shape	triangular in lateral view, forming	non-triangular in lateral view,	non-triangular in lateral view,
	right angle with upper part of calyx	forming an obtuse angle with	cylinder, almost forming right
	tube	upper part of calyx tube	angle with upper part of calyx
			tube
Limb lobes	3-lobed, upper part of limb separated	3-lobed, upper part of limb	3-lobed, upper part of limb
	to ca. 1/2–2/3, lobe blunt at apex,	separated to ca. 1/4, lobe blunt	separated to ca. 1/2, lobe acute
	inner surface light yellow, densely	at apex, inner surface yellow,	at apex, inner surface black
	light yellow prickly outgrowths	without prickly outgrowths	purple, densely black purple
			prickly outgrowths