taxonID	type	description	language	source
D68E708CBC0C522DAB4364F73FD60604.taxon	description	Fig. 5	en	Song, Zhu-Qiu, Zhang, Bu-Yun (2024): Taxonomic notes on the genus Itea (Iteaceae). PhytoKeys 239: 59-72, DOI: http://dx.doi.org/10.3897/phytokeys.239.117851, URL: http://dx.doi.org/10.3897/phytokeys.239.117851
D68E708CBC0C522DAB4364F73FD60604.taxon	materials_examined	Type. China. Guangxi Province, Shangsi County, Shup-man-tai Shan [Shi Wan Da Shan], in shaded ravine, about 1200 ft. (ca. 400 m), 29 Jul 1933, Ching-Lieh Tso 23439 (lectotype, designated here: IBSC 0004326, isolectotypes: IBSC 0004324, IBSC 0004325, PE 00864804).	en	Song, Zhu-Qiu, Zhang, Bu-Yun (2024): Taxonomic notes on the genus Itea (Iteaceae). PhytoKeys 239: 59-72, DOI: http://dx.doi.org/10.3897/phytokeys.239.117851, URL: http://dx.doi.org/10.3897/phytokeys.239.117851
D68E708CBC0C522DAB4364F73FD60604.taxon	description	Description. Shrub, evergreen, usually 0.2 - 0.5 m, sometimes up to 2 m tall, glabrous, except puberulent on inflorescences. Stipules subulate, ca. 2 mm long, caducous. Leaves alternate, both surfaces glabrous, thinly leathery, narrowly lanceolate, 6.5 - 13.9 cm long, 1.2 - 2.2 cm wide, length / width ratio is 4.1 - 9.5 (mean = 6.5), acuminate or gradually acute at apex, cuneate or subobtuse at base, distantly shallowly subglandular crenate-serrate along upper margin; mid-vein raised on both surfaces, lateral veins in 6 - 8 pairs, arcuate ascending, lateral and reticulate veins obviously visible and prominently elevated above surface; petiole 1 - 1.5 cm long, narrowly grooved above. Pseudoracemes, terminal or sometimes also axillary, solitary, 6 - 24 cm long, rachis puberulous, usually 2 - or 3 - flowered per node; bracts at base of pedicel, subulate, ca. 1 - 2 mm long, deciduous. Flowers white; pedicel erect, puberulous, 5 - 9 mm long; calyx shallowly cupular; calyx lobes 5, narrowly lanceolate, green, 2 - 2.5 mm long, 0.8 - 1 mm wide at base, puberulous; petals 5, white, reflexed at anthesis, deciduous at fruiting, triangular-lanceolate, acute at apex, widest at base, ca. 5 mm long, ca. 1.5 mm wide at base, glabrous; stamens 5, alternating with the petals, shorter than petals, ca. 4 mm long; filaments glabrous, ca. 0.3 - 0.4 mm wide; anthers oblong, ca. 0.5 mm long, 0.3 mm wide; floral disc annular, fleshy, slightly yellow; ovary semi-inferior, narrowly grooved, consisting of two united carpels; stigma capitate. Capsule suboblong-conical, 5 - 6 mm, glabrous, turning brown and dehiscing septicidally at mature, with persistent sepals. Seed numerous.	en	Song, Zhu-Qiu, Zhang, Bu-Yun (2024): Taxonomic notes on the genus Itea (Iteaceae). PhytoKeys 239: 59-72, DOI: http://dx.doi.org/10.3897/phytokeys.239.117851, URL: http://dx.doi.org/10.3897/phytokeys.239.117851
D68E708CBC0C522DAB4364F73FD60604.taxon	distribution	Distribution. The species is only found in Guangxi, southern China (Fig. 6). It usually occurs near streams under evergreen forests, with elevation range from 90 to 800 m.	en	Song, Zhu-Qiu, Zhang, Bu-Yun (2024): Taxonomic notes on the genus Itea (Iteaceae). PhytoKeys 239: 59-72, DOI: http://dx.doi.org/10.3897/phytokeys.239.117851, URL: http://dx.doi.org/10.3897/phytokeys.239.117851
D68E708CBC0C522DAB4364F73FD60604.taxon	materials_examined	Specimens examined. China. Guangxi: Dongxing City, Malu, 107 ° 58 ' 56 " E, 21 ° 41 ' 8 " N, 90 m elev., 12 Oct 2018, Dongxing Exped. 450681181012069 LY (GXMG 0206492, IBK 00418425), 21 Jun 1919, Kuan-Kwang Tsoong 1868 (PE 00864807), 26 Sept 1973, Chou-Fen Liang 33611 (IBK 00170636); Fangchenggang City, Pingwang, 15 Jul 2007, Feng-Juan Mou 127 (IBSC 0712193), Banba, 15 Oct 1973, Chou-Fen Liang 33875 (IBK 00170634), Nangui, 11 Nov 1958, Chao-Chien Chang 13197 (IBK 00170635, IBSC 0272608), Naliang, 24 - 31 Jul 1936, Wai-Tak Tsang 26510 (IBSC 0272609, P 03179693), Naliang, 105 m elev., 13 Apr 1956, Hepu Pl. Exped. 2365 (IBSC 0272605, PE 00864802), Naliang, 107 ° 47.563 ' E, 21 ° 47.218 ' N, 140 m elev., 13 Jan 2016, Pu Zou & Kai Xu zp 57 (IBSC 0824452); Nalungou, 350 m elev., 21 Jul 1982, Peng-Cheng Huang 216 (NF 2011745, NF 2011746); Shangsi County, Shi Wan Da Shan, 325 m elev., 9 Nov 1958, Chao-Chien Chang 12233 (IBSC 0272601), Wangle, 107 ° 49 ' 36 " E, 21 ° 53 ' 24 " N, 221 m elev., 1 Apr 2009, Wei-Bin Xu et al. liuyan 0208 (KUN 0906334, KUN 0902457), Shi Wan Da Shan, 8 Jul 1937, H. Y. Liang 69500 (IBK 00170632, IBK 00170633, IBSC 0272602, PE 00864803), Shi Wan Da Shan, 11 - 30 Jul 1934, Wai-Tak Tsang 23804 (IBSC 0272603), 15 - 24 Aug 1936, Wai-Tak Tsang 26675 (IBSC 0272604, P 03179692), Seh-feng Dar Shan [Shi Wan Da Shan], 2500 feet (ca. 800 m) elev., 21 Oct 1928, Ren-Chang Ching 8059 (IBSC 0272600, N 117066318, PE 00864805, PE 00864806, US 03684023), 250 m elev., 14 Aug 1986, Beijing Youth Exped. 718 (PE 01869678), 90 m elev., 23 Dec 1943, S. H. Chun 3304 (IBSC 0272607), 170 - 300 m elev., 24 May 1944, Shao-Hing Chun 5209 (IBSC 0272606), 140 m elev., 8 Jun 2023, 21.097495 ° N, 108.257582 ° E, Zhu-Qiu Song et al. JZ 20230531 (IBSC), 320 m elev., 8 Jun 2023, 21.882874 ° N, 107.8346332 ° E, Zhu-Qiu Song et al. JZ 20230537 (IBSC).	en	Song, Zhu-Qiu, Zhang, Bu-Yun (2024): Taxonomic notes on the genus Itea (Iteaceae). PhytoKeys 239: 59-72, DOI: http://dx.doi.org/10.3897/phytokeys.239.117851, URL: http://dx.doi.org/10.3897/phytokeys.239.117851
280D862CA2D75919B4B557DCFD731E38.taxon	description	Figs 1, 2, 3, 4	en	Song, Zhu-Qiu, Zhang, Bu-Yun (2024): Taxonomic notes on the genus Itea (Iteaceae). PhytoKeys 239: 59-72, DOI: http://dx.doi.org/10.3897/phytokeys.239.117851, URL: http://dx.doi.org/10.3897/phytokeys.239.117851
280D862CA2D75919B4B557DCFD731E38.taxon	materials_examined	Type. Myanmar. Southern Shan States, Shan hills, on river-banks, 2000 - 4000 feet (ca. 700 - 1400 m) elev., H. Collett s. n. (holotype, K).	en	Song, Zhu-Qiu, Zhang, Bu-Yun (2024): Taxonomic notes on the genus Itea (Iteaceae). PhytoKeys 239: 59-72, DOI: http://dx.doi.org/10.3897/phytokeys.239.117851, URL: http://dx.doi.org/10.3897/phytokeys.239.117851
280D862CA2D75919B4B557DCFD731E38.taxon	description	Description. Shrub, evergreen, usually 0.5 - 2 m tall, sometimes up to 7 m. Stipules subulate, 0.2 - 0.7 mm long, caducous. Leaves alternate, both surfaces glabrous, chartaceous, lanceolate or oblanceolate, 3.5 - 13 cm long, 1 - 5 cm wide, length / width ratio is 2.6 - 5.2 (mean = 3.6), acute or slightly acuminate at apex, cuneate at base, distantly shallowly subglandular crenate-serrate along upper margin; mid-vein raised on both surfaces, lateral veins in 4 - 7 pairs, arcuate ascending, lateral and reticulate veins visible and impressed above surface; petiole 0.4 - 1.2 cm long, raised above. Pseudoracemes, terminal or sometimes also axillary, usually solitary, sometimes with short branches at base, 4 - 18 cm long, rachis puberulous, usually 2 - or 3 - flowered per node; bracts at base of pedicel, subulate, 2 - 3 mm long, 0.3 - 0.5 mm wide, deciduous. Flowers white; pedicel erect, puberulous, 3 - 11 mm long; calyx shallowly cupular; calyx lobes 5, triangular, green, 1.5 - 2 mm long, 1.2 - 1.5 mm wide at base, puberulous; petals 5, white, triangular-lanceolate, acute at apex, widest at base, ca. 5 mm long, 1.5 - 1.9 mm wide at base, glabrous, erect-spreading at anthesis, becoming green and thickened at fruiting; stamens 5, alternating with the petals, shorter than petals, 3.3 - 3.6 mm long; filaments glabrous, ca. 0.8 mm wide; anthers oblong, ca. 0.6 mm long, 0.4 mm wide; floral disc annular, fleshy, slightly yellow; ovary semi-inferior, consisting of two carpels diverging in the middle and united at the top; stigma capitate. Capsule glabrous, 5 - 8 mm long, consisting of two obviously divergent carpels, with persistent sepals and petals, turning brown and dehiscing along the ventral suture at mature. Seed numerous, white at immature and brown at mature, 1 - 1.7 mm across; testa slightly granular.	en	Song, Zhu-Qiu, Zhang, Bu-Yun (2024): Taxonomic notes on the genus Itea (Iteaceae). PhytoKeys 239: 59-72, DOI: http://dx.doi.org/10.3897/phytokeys.239.117851, URL: http://dx.doi.org/10.3897/phytokeys.239.117851
280D862CA2D75919B4B557DCFD731E38.taxon	distribution	Distribution. The species is distributed in China, Laos, Myanmar, Thailand and Vietnam (Fig. 6). It usually occurs near streams under forests, with elevation range from 200 to 1400 m.	en	Song, Zhu-Qiu, Zhang, Bu-Yun (2024): Taxonomic notes on the genus Itea (Iteaceae). PhytoKeys 239: 59-72, DOI: http://dx.doi.org/10.3897/phytokeys.239.117851, URL: http://dx.doi.org/10.3897/phytokeys.239.117851
280D862CA2D75919B4B557DCFD731E38.taxon	materials_examined	Specimens examined. China. Guangxi: Daxin, 15 May 2008, Guangxi Exped. Inst. Bot. 498 (IBK 00278403), 17 Sept 2004, Shou-Yang Liu F 000749 (GXMI 014126), 400 m elev., 9 Jun 2023, 22.854261 ° N, 106.725634 ° E, Zhu-Qiu Song et al. JZ 20230549 (IBSC); Jingxi, 457 m elev., 30 June 2013, En-De Liu 3996 (KUN 1241727), 500 m elev., 10 May 2023, 22.991658 ° N, 106.674116 ° E, Bu-Yun Zhang et al. JZ 20230371 (IBSC), 500 m elev., 9 Jun 2023, 23.009193 ° N, 106.659319 ° E, Zhu-Qiu Song et al. JZ 20230553 (IBSC); Napo, 450 m elev., 18 May 1943, Pu-Chin Tsoong & Ko-Zen Kuang 356 (PE 00865551, PE 00865552), 15 Apr 1977, Yuan Lin et al. 3 - 5104 (GXMI 014127, GXMI 014128). Yunnan: Cangyuan, 700 m elev., 29 May 1974, Yan-Hui Li 11737 (HITBC 015745, HITBC 015750, IBSC 0273493, KUN 0477791, KUN 0540565, KUN 0540567), 790 m elev., 15 May 1979, Yan-Hui Li 20907 (HITBC 015744, HITBC 015751, KUN 0540559, KUN 0540568); Jinghong, 540 m elev., 7 May 1955, Kuo-Mei Feng 20754 (IBSC 0273491, KUN 0477788, KUN 0477789, PE 00865549, SZ 00179768), 30 Aug 2019, Yun-Hong Tan ML 56 (XSBN 002276); Malipo, 1100 m elev., 21 Jun 1940, Chi-Wu Wang 86321 (KUN 0477792, PE 00865553), 1000 m elev., 3 Feb 1940, Chi-Wu Wang 86599 (KUN 0477790); Mengla, 17 Jan 1976, Lai-Yun Xiao 11269 (HITBC 099861, IBSC 0273492), 680 m elev., 18 Dec 1986, Shao-Rong Guo 592 (IMDY 0008066), 850 m elev., 11 Feb 1960, Yan-Hui Li 2813 (HITBC 015743, IBK 00170997, IBSC 0273495, KUN 0477787), 560 m elev., 14 Apr 1961, Yan-Hui Li 3049 (HITBC 015746), 11 May 1961, Yan-Hui Li 3222 (HITBC 015747, IBSC 0273494, KUN 0477785), Jun 1967, Yunnan First Section 138 (PE 00865550), 600 m elev., 2 Sept 2023, 21.989364 ° N, 101.368001 ° E, Zhu-Qiu Song et al. JZ 20231022 (IBSC); Zhenkang, 12 Apr 1976, Yan-Hui Li 20116 (HITBC 015748, HITBC 015749, KUN 0477786). Laos. Champasak: Paksong, 29 Apr 2013, H ang Sun et al. sunhang 16056 (KUN 1256568, KUN 1256569); Luang Namtha: Nateuy, 1130 m elev., 21 Apr 2006, En-De Liu 1686 (KUN 1204594); Luang Prabang: 1866 - 1868, Thorel 3474 (P 00709632, P 00709633, P 00709634); Phongsal: 30 Apr 1993, Guo-Da Tao et al. 930162 (HITBC 059236, HITBC 059244); Vientiane: Mt. Phu Kao Kwai, 700 - 800 m elev., 31 Dec 1993, N. Fukuoka & H. Koyama L- 65039 (L 4134635); Without precise locality, H. Bon s. n. (P 03179260). Myanmar. Maymyo: 760 m elev., 21 Apr 1916, A. Rodger 510 (NAS 00337458), 1066 m elev., 8 May 1912, J. H. Lace 5802 (E 00397666), 1066 m elev., 4 May 1912, J. H. Lace s. n. (E 00397667); Taunggyi: 1219 m elev., Apr 1939, F. G. Dickason 8273 (E 01033109). Thailand. Chaiyaphum: Phu Khieo, 600 - 700 m elev., 1972, K. Larsen et al. 31288 (L 1861211), Ban Nam Phrom, 600 m elev., 24 May 1974, R. Geesink et al. 6886 (L 1861215, P 00392452); Chiang Mai: Thawatchai, Kasem, 700 m elev., 7 May 1991, Guo-Da Tao et al. 653 (KUN 0540552), Me Ka Pak Bank, 1300 m elev., 21 Apr 1928, H. B. Garret 505 (L 1861224, L 1861225, P 03179261), Mae Rim District, 600 m elev., 12 Jun 2009, J. F. Maxwell 09 - 162 (L 2058714, P 00911865), Doi Sutep, Mae Sa Falls, 10 Apr 1989, J. F. Maxwell 89 - 446 (L 1861217), Doi Intson National Park, 650 m elev., 4 May 1997, J. F. Maxwell 97 - 443 (L 4160466), Doi Inthanon, 1400 m elev., 3 Jan 1975, R. Geesink et al. 8048 (L 1861214, P 03371228), Doi Inthanon, 920 - 960 m elev., 21 Jul 1988, S. Tsugaru T- 61686 (L 4161221), 18 Aug 1970, Voravut 8 (L 1861218); Kanchanaburi: Sangklaburi, Toong Yai Narssuan Wildlife Reserve, 200 m elev., 12 Jan 1994, J. F. Maxwell 94 - 10 (L 4134592), near Khwae Noi River, Pompee Village, 250 m elev., 25 Mar 1968, C. F. van Beusekom & C. Phengkhlai 108 (L 1861220), 800 m elev., 30 Apr 2004, M. van de Bult 796 (L 4160559); Nakhon Ratchasima: Khao Yai, 800 m elev., 25 Mar 1968, B. Hansen et al. 11340 (L 1861219, L 1861221); Phrae: Mae Bhaem stream, 440 m elev., 5 Jan 1972, C. F. van Beusekom et al. 4661 (L 1861223); Tak: Pha Charoen Waterfall National Park, 20 June 2005, Pooma et al. 5329 (L 4160075), Lansang National Park, 600 m elev., 21 Jul 1973, G. Murata et al. 16617 (L 1861212, P 03179258), Lan Sang National Park, 250 - 400 m elev., 30 Aug 1967, M. Tagawa et al. 8558 (L 1861213), Larn Sarng Nat. Park, 350 m elev., 29 May 1973, R. Geesink et al. 5532 (L 1861222, P 03179259); Without precise locality, Apr 1921, A. F. G. Kerr 5273 (TCD 0016587), Mar 1924, A. F. G. Kerr 8763 (TCD 0016588). Vietnam. Dak Lak: Lak, Chu Yang Sin National Park, 900 m elev., 23 Mar 2013, M. S. Nuraliev 724 (MW 0738997); Hoa Binh: Yen Thuy, Cuc Phuong National Park, 12 Sept 2002, M. V. Xinh MVX 241 (L 1861216), Barrage de Cho-bo (Riviere Noire), sur les roches calcaires atteintes par les hautes eaux, 18 Oct 1888, Balansa 3152 (P 00709635).	en	Song, Zhu-Qiu, Zhang, Bu-Yun (2024): Taxonomic notes on the genus Itea (Iteaceae). PhytoKeys 239: 59-72, DOI: http://dx.doi.org/10.3897/phytokeys.239.117851, URL: http://dx.doi.org/10.3897/phytokeys.239.117851
