Two new species and a new combination from Zhejiang, East China Author Lu, Yi-Fei School of Forestry and Bio-Technology, Zhejiang Agricultural and Forestry University, Lin'an, Zhejiang 311300, China & College of Life Sciences, Zhejiang University, Hangzhou, Zhejiang, 310058, China Author Xu, Yue-Liang Zhejiang Museum of Natural History, Hangzhou, Zhejiang, 310014, China Author Xie, Wen-Yuan Monitoring Center for Forest Resources in Zhejiang, Hangzhou, Zhejiang, 310020, China Author Zhang, Hong-Wei Administration of Zhejiang Qingliangfeng National Nature Reserve, Lin'an, Zhejiang, 311321, China Author Zheng, Zi-Hong Administration of Zhejiang Jiulongshan National Nature Reserve, Suichang, Zhejiang, 323300, China Author Cai, Xin https://orcid.org/0000-0002-7837-3793 School of Forestry and Bio-Technology, Zhejiang Agricultural and Forestry University, Lin'an, Zhejiang 311300, China & Taizhou Academy of Agricultural Sciences, Linhai, 317000, Zhejiang, China Author Jin, Xiao-Feng https://orcid.org/0000-0002-8195-6738 School of Forestry and Bio-Technology, Zhejiang Agricultural and Forestry University, Lin'an, Zhejiang 311300, China & School of Life and Environment Sciences, Hangzhou Normal University, Hangzhou, Zhejiang, 311121, China docxfjin@163.com text PhytoKeys 2021 2021-11-05 184 111 126 http://dx.doi.org/10.3897/phytokeys.184.73327 journal article http://dx.doi.org/10.3897/phytokeys.184.73327 1314-2003-184-111 F7BB3329B31150BDB481BFAD94F59C55

Table 2. Comparisons of the achenes and pollen grains among Ixeridium dimorphifolium (two samples) and I. beauverdianum.

Traits/species	Ixeridium dimorphifolium (Suichang)	I. dimorphifolium (Qingyuan)	I. beauverdianum
Achene
shape	narrowly fusiform, slightly compressed	linear-fusiform, slightly compressed	fusiform, slightly compressed
length	4.98 +/- 0.42 mm	5.54 +/- 0.60 mm	4.72 +/- 0.34 mm
surface	finely spiculate, with ribs finely spiculate	finely spiculate, with ribs finely spiculate	finely spiculate, with ribs finely spiculate
rib	with spicule similar to surface	with spicule similar to surface	with spicule longer than those on surface
apex	gradually narrow to a beak	gradually narrow to a beak	abruptly narrow to a beak
Pollen
shape	tricolporate, spherical	tricolporate, spherical	tricolporate, spherical
size	27.55 +/- 3.60 μm	26.70 +/- 2.84 μm	24.62 +/- 1.95 μm
surface	echinophate	echinophate	echinophate