Appendix 1
Taxon: NCBI accession numbers (ITS/atpB-rbcL/trnL-F), voucher information. Samples marked with ‘*’ were newly added, and ‘#’ were those pollen grains and seeds collected.
Hydrocera triflora (L.) Wright & Arn.: AY348853/ DQ147895/ -, Sri Lanka, Robyns 7260, 0,249,369 (BR).
Impatiens arguta Hook.f. & Thomson: AY348746/ DQ147812/ KP776116, China, Yunnan and Xizang, Y. M. Yuan CN2k1-74 (NEU) and S.X. Yu 5406 (PE).
I. balsamina L.: AY348749/ DQ147816/ -, Kruidtuin Leuven (Cult.), Janssens SJ 001 (LV).
I. begoniifolia S. Akiyama & H. Obha: AY348752/ DQ147819/ -, China, Yunnan, Y. M. Yuan CN2k1-51 (NEU).
I. chekiangensis Y.L.Chen: KP776064/ KP776014/ KP776121, China, Zhejiang, H.N. Qin et al. 20,141 (PE).
I. chekiangensis Y.L.Chen var. cangnanensis Y.L.Xu & X.F.Jin*: MN974564/ MN974547/ MN974581, China, Zhejiang, Cangnan, Dangyuanlin, Y.L Xu 318 (ZM).
I. chinensis L.: AY348761/ DQ147825/ KP776122, China, Yunnan and Guangxi, Y.M. Yuan CN2k1-49 (NEU) and I. chiulungensis Y.L.Chen: KP776066/ KP776016/ KP776124, China, Sichuan, S.X. Yu et al. 3989 (PE).
I. chlorosepala Hand.-Mazz.: KP776067/ KP776017/ -, China, Guangxi, S.X. Yu et al. 4209 (PE).
I. chloroxantha Y.L.Chen (individual 1)*: MN974563/ MN974546/ MN974580, China, Zhejiang, Suichang, Mt. Jiulong, Luohanyuan, X.F. Jin s. n. (HTC). I. chloroxantha Y.L.Chen (individual 2)*#: MN974573/ MN974556/ MN974590, China, Zhejiang, Suichang, Mt. Jiulong, Luohanyuan, J.L. Liu s. n. (HTC). I. chloroxantha Y.L.Chen (individual 3)*: MN974574/ MN974557/ MN974591, China, Zhejiang, Suichang, Mt. Jiulong, Luohanyuan, J.L. Liu s. n. (HTC).
I. corchorifolia Franch.: AY348767/ DQ147831/ KP776127, China, Yunnan and Sichuan, Chassot & Y.M. Yuan 99–173 (NEU) and S.X. Yu et al. 4596 (PE).
I. cyanatha Hook.f.: AY348770/ DQ147833/ -, China, Yunnan, Y.M. Yuan CN2k1-84 (NEU).
I davidi Franch.*: MN974568/ MN974551/ MN974585, China, Zhejiang, Yinzhou, Wulongtan, X.F. Jin & Y.F. Lu 4357 (HTC).
I. gongshanensis Y.L.Chen: KP776074/ KP776024/ KP776135, Myanmar, Putao, PT-ET 975 (PE).
I. hunanensis Y.L.Chen: KP776077/ KP776028/ KP776137, China, Guangxi, S.X. Yu 3759 (PE).
I. kuocangshanica (X.F.Jin & F.G.Zhang) X.F.Jin & Y.L.Xu*: MN974567/ MN974550/ MN974584, China, Zhejiang, Linhai, Mt. Kuocang, Zhangjiadu, B.Y. Ding & X.F. Jin 6924 (PE).
I. mengtzeana Hook.f.: AY348806/ DQ147858/ -, China, Yunnan, Y.M. Yuan CN2k1-60 (NEU).
I. neglecta Y.L.Xu & Y.L.Chen*: MN974569/ MN974552/ MN974586, China, Zhejiang, Longquan, Mt. Fengyang, Y.F. Lu 203 (HTC).
I. napoensis Y.L.Chen: AY348811/ DQ147861/ KP776146, China, Yunnan and Guangxi, Y.M. Yuan CN2k1-61 (NEU) and S.X. Yu 3049 (PE).
I. noli-tangere L.: KP776088/ KP776039/ KP776148, China, Guangxi, S.X. Yu 4017 (PE).
I. omeiana Hook.f.: KP776092/ DQ147864/ KP776152, China, Sichuan and Univ. California Bot. Gard. (Cult.), S.X. Yu 4093 (PE) and 2002.0214 (UC).
I. pingxiangensis H.Y.Bi & S.X.Yu: KP776093/ KP776043/ -, China, Guangxi, S.X. Yu et al. 3088 (PE).
I. platysepala Y.L.Chen (individual 1)*#: MN974572/ MN974555/ MN974589, China, Zhejiang, Jiangshan, Zhoucun, Z.H. Chen et al. JS19061201 (HTC). I. platysepala Y.L.Chen (individual 2)*: MN974570/ MN974553/ MN974587, China, Zhejiang, Jiangshan, Zhoucun, Z.H. Chen et al. JS19061203 (HTC). I. platysepala Y.L.Chen (individual 3)*: MN974571/ MN974554/ MN974588, China, Zhejiang, Jiangshan, Nianbadou, Z.H. Chen et al. JS19061205 (HTC).
I. racemosa DC.: KP776098/ DQ147873/ KP776159, China, Yunnan and Xizang, S.X. Yu 4221 (PE) and De Haas 2620 (U).
I. radiata Hook.f.: AY348824/ KP776047/ KP776160, China, Xizang and Sichuan, De Haas 2620 (U) and S.X. Yu et al. 4760 (PE).
I. siculifer Hook.f.: KP776101/ KP776049/ -, China, Guangxi, S.X. Yu 3211 (PE).
I. textori Miq.: AY348841/ -/ KP776168, Japan and Korea, Kanno et al. 1114 (TUS) and H.N. Qin et al. 18,048 (PE).
I. tienmushanica Y.L.Chen*: MN974565/ MN974548/ MN974582, China, Zhejiang, Pan’an, Mt. Dapan, Huaxi, Y.F. Lu s. n. (HTC).
I. tuberosa H. Perrier: AY348844/ DQ147886/ -, Madagascan origin: Bot. Gard. Univ. Kopenhagen (Cult.), Janssens SJ 005 (LV).
I. tubulosa Hemsl.: KP776108/ KP776056/ KP776172, China, Guangxi, S.X. Yu 3762 (PE).
I. walleriana Hook.f.: AY348849/ DQ147892/ AB043641, Kenya, Nat. Bot. Gard. Meise (Cult.) and Tokyo (Cult.), O. Phaehler & M. Schnell I08 (NEU), S3926 (BR) and H. Fujihashi 3 (TI).
I. wenshanensis S.H.Huang: KP776110/ KP776057/ KP776175, China, Guangxi, S.X. Yu 4044 (PE).
I. wuyiensis J.S.Wang, Y.F.Lu & X.F.Jin (individual 1)*: MN974558/ MN974541/ MN974575, China, Fujian, Mt. Wuyi, Shuiliandong, X.F. Jin et al. 4167 (ZM). I. wuyiensis J.S.Wang, Y.F.Lu & X.F.Jin (individual 2)*: MN974559/ MN974542/ MN974576, China, Fujian, Mt. Wuyi, Dawangfeng, X.F. Jin et al. 4156 (ZM). I. wuyiensis J.S.Wang, Y.F.Lu & X.F.Jin (individual 3)*#: MN974560/ MN974543/ MN974577, China, Fujian, Mt. Wuyi, Dawangfeng, X.F. Jin et al. 4158 (ZM). I. wuyiensis J.S.Wang, Y.F.Lu & X.F.Jin (individual 4)*: MN974561/ MN974544/ MN974578, China, Fujian, Mt. Wuyi, Shuiliandong, X.F. Jin et al. 4165 (ZM). I. wuyiensis J.S.Wang, Y.F.Lu & X.F.Jin (individual 5)*: MN974562/ MN974545/ MN974579, China, Fujian, Mt. Wuyi, Tianyoufeng, Y.F. Lu 186 (ZM).
I. yilingiana X.F.Jin, S.Z.Yang & L.Qian*: MN974566/ MN974549/ MN974583, China, Zhejiang, Lin’an, Mt. Tianmu, Dashuwang, X.F. Jin 1901 (HTC).