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Issue: Vol. 696 No. 4: 8 Apr. 2025
Type: Article
Published: 2025-04-08
DOI: 10.11646/phytotaxa.696.4.4
Page range: 294-299
Abstract views: 91
PDF downloaded: 11

Primulina minima, a new species of cave-dwelling Gesneriaceae from the karst landscape of northwestern Guangxi, China

College of Life Sciences, Guangxi Normal University, Guilin 541006, Guangxi, China, Guangxi Key Laboratory of Plant Conservation and Restoration Ecology in Karst Terrain, Guangxi Institute of Botany, Guangxi Zhuang Autonomous Region and Chinese Academy of Sciences, Guilin 541006, China
Guangxi Key Laboratory of Plant Conservation and Restoration Ecology in Karst Terrain, Guangxi Institute of Botany, Guangxi Zhuang Autonomous Region and Chinese Academy of Sciences, Guilin 541006, China
Gesneriad Conservation Center of China (GCCC), National Gesneriaceae Germplasm Resources Bank of GXIB, Gesneriad committee of China Wild Plant Conservation Association, Guangxi Institute of Botany, Guangxi Zhuang autonomous Region and Chinese Academy of Science, Guilin 541006, China, The Gesneriad Society, 2030 Fitzwater Street, PA. 19146-1333, Philadelphia, USA
Guangxi Key Laboratory of Plant Conservation and Restoration Ecology in Karst Terrain, Guangxi Institute of Botany, Guangxi Zhuang Autonomous Region and Chinese Academy of Sciences, Guilin 541006, China, Gesneriad Conservation Center of China (GCCC), National Gesneriaceae Germplasm Resources Bank of GXIB, Gesneriad committee of China Wild Plant Conservation Association, Guangxi Institute of Botany, Guangxi Zhuang autonomous Region and Chinese Academy of Science, Guilin 541006, China
Eudicots Flora of Guangxi limestone flora taxonomy

Abstract

A new cave-dwelling species of Gesneriaceae, Primulina minima Z.B.Xin & L.F.Fu, endemic to Fengshan County, Guangxi, China, is described and illustrated. Closely related to P. longzhouensis (B.Pan & W.H.Wu) W.B.Xu & K.F.Chung, It also resembles Primulina rufipes Y.L.Su, P.Yang & Y.Liu and P. huaijiensis Z.L.Ning & J.Wang, it can be distinguished by a unique combination of morphological characters. These include the number of inflorescences, bract length, corolla length and tube shape, petal apex, and ovary size. Currently, P. minima is known only from a single large cave in the type locality, with a population estimated to be fewer than 50 mature individuals. Based on the IUCN assessment standards, the conservation status of this species is provisionally assessed as Critically Endangered [CR+C2a (i)].

References

  1. Beentje, H. (2016) The Kew Plant Glossary, Second Edition. Royal Botanic Gardens, Kew, London, 184 pp.
  2. Chen, D.Y., Li, R.F., Ding, L. & Sheng, Y. (2024) Primulina liangshengyui (Gesneriaceae), a new species from Guangxi, China with supplementary description of floral morphology of P. minutimaculata. Journal of Tropical and Subtropical Botany 32 (5): 629–636. https://doi.org/10.11926/jtsb.4820
  3. Deng, X.X., Zeng, N.G., Xu, G.L., Zhang, Z.F. & Zuo, Z.Y. (2024) Primulina longnanensis (Gesneriaceae), a new species from Jiangxi. Journal of Plant Resources and Environment 33 (1): 98–107. https://doi.org/10.3969/j.issn.1674-7895.2024.01.10
  4. Ding, L., Ke, X.C. & Wen, F. (2024) A new lithophilous species of Gesneriaceae, Primulina jinyu, from the limestone area of Hubei Province, China. Taiwania 69 (2): 178–184. https://doi.org/10.6165/tai.2024.69.178
  5. GRC (2025) [continuously updated] Gesneriaceae Resource Centre. Royal Botanic Garden Edinburgh. Available from: https://padme.rbge.org.uk/GRC (accessed 1 February 2025)
  6. Hance, H.F. (1883) New Chinese Cyrtandreae. Journal of Botany 21: 165–170.
  7. Li, S., Xin, Z.B., Chou, W.C., Huang, Y., Pan, B., Stephen, M. & Wen, F. (2019) Five new species of the genus Primulina (Gesneriaceae) from limestone areas of Guangxi Zhuangzu Autonomous Region, China. PhytoKeys 127: 77–91. https://doi.org/10.3897/phytokeys.127.35445
  8. Ning, Z.L., Li, G.F., W, J., James, F.S., Hiobiarilant, R. & Kang, M. (2013) Primulina huaijiensis (Gesneriaceae), a new species from Guangdong, China. Annales Botanici Fennici 50: 119–122. https://doi.org/10.5735/085.050.0124
  9. Möller, M. (2019) Species discovery in time: An example from Gesneriaceae in China. Guangxi Sciences 26 (1): 1–16. https://doi.org/10.13656/j.cnki.gxkx.20190307.002
  10. Möller, M., Wei, Y.G., Wen, F., Clark, J.L. & Weber, A. (2016) You win some you lose some: Updated generic delineations and classification of Gesneriaceae implications for the Family in China. Guihaia 36 (1): 44–60. https://doi.org/10.11931/guihaia.gxzw201512015
  11. Pan, B., Wu, W.H., Nong, D.X. & Xu, W.B. (2010) Chiritopsis longzhouensis, a new species of Gesneriaceae from limestone areas in Guangxi, China. Taiwania 55 (4): 370–372.
  12. POWO (2025) [continuously updated] Plants of the World Online, Facilitated by the Royal Botanic Gardens, Kew. Available from: https://www.plantsoftheworldonline.org/ (accessed 1 February 2025)
  13. Su, Y.L., Huang, Z.P., Yang, P., Xu, W.B. & Liu, Y. (2022) Primulina rufipes, a new species of Gesneriaceae from Guangxi, China. Taiwania 67 (1): 40–46. https://doi.org/10.6165/tai.2022.67.40
  14. Thiers, B. (2024) [continuously updated] Index Herbariorum: A global directory of public herbaria and associated staff. The New York Botanical Garden, New York. Available from: http://sweetgum.nybg.org/ih (accessed 1 December 2024)
  15. Tong, Y.H., Ni, J.B. & Wang, B.M. (2023) Primulina liangwaniae (Gesneriaceae), a new species from Guangdong, China. Phytotaxa 630 (2): 154–158. https://doi.org/10.11646/phytotaxa.630.2.7
  16. Weber, A., Middleton, D.J., Forrest, A., Kiew, R., Chung, L.L., Rafidah, A.R., Sontag, S., Triboun, P., Wei, Y.G., Yao, T.L. & Möller, M. (2011) Molecular systematics and remodelling of Chirita and associated genera (Gesneriaceae). Taxon 60 (3): 767–790.
  17. Wei, Y.G. (2023) Catalogue and Red List of Plant Species in Guangxi. China Forestry Publishing House, Beijing, pp. 738–750.
  18. Wei, Y.G., Do, V.T. & Wen, F. (2022) A Checklist to the Plants of Northern Vietnam. China Forestry Publishing House, Beijing, pp. 386–387.
  19. Wen, F., Wei, Y.G., Fu, L.F., Xin, Z.B., Li, S., Huang, Z.J., Ge, Y.Z. & Meng, D.C. (2024) [continuously updated] The Checklist of Gesneriaceae in China. Available from: http://gccc.gxib.cn/about-46.aspx (accessed 1 December 2024)
  20. Xu, M.Z., Yang, L.H., Kong, H.H., Wen, F. & Kang, M. (2021) Congruent spatial patterns of species richness and phylogenetic diversity in karst flora: Case study of Primulina (Gesneriaceae). Journal of Systematics and Evolution 59 (2): 251–261. https://doi.org/10.1111/jse.12558
  21. Xu, W.B., Zhang, Q., Wen, F., Liao, W.B., Pan, B., Chang, H. & Chung, K.F. (2012) Nine new combinations and one new name of Primulina (Gesneriaceae) from South China. Phytotaxa 64: 1–8. https://doi.org/10.11646/phytotaxa.64.1.1

How to Cite

Long, S.-T., Xin, Z.-B., Maciejewski, S. & Fu, L.-F. (2025) Primulina minima, a new species of cave-dwelling Gesneriaceae from the karst landscape of northwestern Guangxi, China. Phytotaxa 696 (4): 294–299. https://doi.org/10.11646/phytotaxa.696.4.4