Published September 28, 2022 | Version v1
Taxonomic treatment Open

Bulbophyllum tianguii K. Y. Lang & D. Luo, J. Wuhan

  • 1. School of Education, Can Tho University, 3 / 2 Street, Ninh Kieu District, Can Tho City, Vietnam & dmquan @ ctu. edu. vn; https: // orcid. org / 0000 - 0002 - 0613 - 8532
  • 2. Komarov Botanical Institute of the Russian Academy of Sciences, Prof. Popov Street 2, 197376, St. Petersburg, Russia & av _ leonid @ mail. ru; https: // orcid. org / 0000 - 0001 - 8031 - 2925
  • 3. Graduate University of Science and Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay District, Hanoi, Vietnam & Institute of Tropical Biology Vietnam Academy of Science and Technology, 85 Tran Quoc Toan, District 3, Ho Chi Minh City, Vietnam
  • 4. Komarov Botanical Institute of the Russian Academy of Sciences, Prof. Popov Street 2, 197376, St. Petersburg, Russia & tmaisak @ mail. ru; https: // orcid. org / 0000 - 0001 - 5919 - 6755
  • 5. Graduate University of Science and Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay District, Hanoi, Vietnam & Vietnam National Museum of Nature, Vietnam Academy of Science and Technology, 18, Hoang Quoc Viet Road, Cau Giay District, Hanoi, Vietnam
  • 6. The Faculty of Chemistry and Biology, University Grenoble Alpes & Department of Biosciences, University of Milan
  • 7. Institute of Applied Technology, Thu Dau Mot University, No. 6 Tran Van On Street, Phu Hoa Ward, Thu Dau Mot City, Binh Duong Province, Vietnam & nguyenvancanh @ gmail. com; https: // orcid. org / 0000 - 0001 - 9578 - 0342
  • 8. Graduate University of Science and Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay District, Hanoi, Vietnam & Institute of Tropical Biology Vietnam Academy of Science and Technology, 85 Tran Quoc Toan, District 3, Ho Chi Minh City, Vietnam & bavuong 2019 @ yahoo. com; https: // orcid. org / 0000 - 0003 - 3452 - 8455

Description

Bulbophyllum tianguii K.Y.Lang & D.Luo, J. Wuhan Bot. Res. 25: 558 (2007); Chen & Vermeulen, 2009, Flora of

China 25: 424; Zhouet al., Updated Checklist Orch. China: 22 (2016) (Fig. 2)

Type:— CHINA. Guangxi, Leye, Huapingzen, Yachang orchid nature reserve, on the rock, alt. 970 m a.s.l., 2007, Liu S. Y. & Deng Z. H. 010 (PE 01432249, PE 01432250, PE 01432251).

Note. The discovery of this species in northern Vietnam is quite expected, due to the area of Ha Giang Province has similar habitat conditions observed in Guangxi where the species was firstly found. In the original description the authors did not mention the triangular acute teeth on the upper margin of stelidia, which are clearly seen in Vietnamese plants.

Species examined: — VIETNAM, Ha Giang Province, Dong Van District, lithophyte on mossy rocks at about 1400 m a.s.l. 24 March 2022 Truong Ba Vuong, Bui Van Huong, BV 1350 (VNM 00069943), 24 March 2022 Truong Ba Vuong, Bui Van Huong, BV 1352 (VNM 00069939), 24 March 2022 Truong Ba Vuong, Bui Van Huong, BV 1353 (VNM 00069940), 24 March 2022 Truong Ba Vuong, Nguyen Van Canh, BV 1351 (VNM 00069944).

Analytical photos: — VIETNAM, Ha Giang Province, Dong Van District, lithophyte on mossy rocks at about 1400 m a.s.l. 24 March 2022 Truong Ba Vuong, Bui Van Huong, BV 1350 (VNM 00069943), 24 March 2022 (VNM 00069944) – LE 01123074 (https://en.herbariumle.ru/?t=occ&id=132345).

Notes

Published as part of Dang, Minh Quan, V. Averyanov, Leonid, Dang, Van Son, Maisak, Tatiana, Bui, Van Huong, Tu, Bao Ngan, Nguyen, Van Canh & Truong, Ba Vuong, 2022, A new species, Bulbophyllum phanquyetii and a new national record of B. tianguii (Orchidaceae) from the limestone area of northern Vietnam, pp. 227-232 in Phytotaxa 566 (2) on page 232, DOI: 10.11646/phytotaxa.566.2.7, http://zenodo.org/record/7119218

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Additional details

Biodiversity

References

  • Chen, X. & Vermeulen, J. J. (2009) Bulbophyllum. In: Wu, Z. Y., Raven, P. H. & Hong, D. Y. (Eds.) Flora of China. Vol. 25. (Orchidaceae). Science Press, Beijing and Missouri Botanical Garden Press, St. Louis, pp. 404 - 440.