Six new species of Begonia (Sect. Jackia, Begoniaceae) from Sumatra, Indonesia

Deden GIRMANSYAH ； Mark HUGHES ； SULISTIJORINI ； RUGAYAH ； Wisnu H. ARDI ； Tatik CHIKMAWATI

《TAIWANIA》 67卷1期 (2022/03) Pp. 97-109

https://doi.org/10.6165/tai.2022.67.97

摘要

Six new species of Begonia sect. Jackia from Sumatra are described and illustrated: B. araneumoides, B. batuphila, B. hijauvenia, B. mursalaensis, B. panjangfolia, and B. perunggufolia. All morphological characters and measurements were observed from living plants in the Bogor Botanical Gardens greenhouse or the wild. Using IUCN criteria, 4 species are considered to be Data Deficient, 1 Vulnerable, and 1 Least Concern.

關鍵字

Begonia araneumoides ； B. batuphila ； B. hijauvenia ； B. mursalaensis ； B. panjangfolia ； B. perunggufolia

參考文獻

Ardi, W.H., D. Girmansyah and M. Hughes 2021. Begonia robii, a new species of Begonia from Lima Puluh Kota, West Sumatra. Reinwardtia 20(1): 37–41.

Ardi W.H. and M. Hughes. 2018. Two new species of Begonia from Sumatra. Edinb. J. Bot. 75(3): 297–304.

Girmansyah, D., Sulistijorini, T. Rugayah and T. Chikmawati. 2020. A key to Begonia section Bracteibegonia from Sumatra with one new species and rediscovery of Begonia fasciculata Jack. Phytotaxa 475(4): 289–295.

Girmansyah, D., Susila and M. Hughes. 2019. A revision of Begonia sect. Petermannia on Sumatra, Indonesia. Phytotaxa 407(1): 79–100.

Hughes, M., D. Girmansyah and W.H. Ardi. 2015b. Further discoveries in the ever-expanding genus Begonia (Begoniaceae): fifteen new species from Sumatra. Eur. J. Taxon. 167: 1–40.