Rafflesia in Mount Leuser National Park, Indonesia: An updated distribution, habitat characteristics, and conservation status

Pub Date : 2023-12-19 DOI:10.1016/j.japb.2023.11.011

Ridha Mahyuni , Syadwina Hamama Dalimunthe , Yusran E. Ritonga , Yayan Wahyu Candra Kusuma

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Abstract

New localities and updated distribution of two endemic Rafflesia R.Br. (Rafflesiaceae) species from Mount Leuser National Park, Sumatra namely Rafflesia lawangensis Mat-Salleh, Mahyuni & Susatya and Rafflesia micropylora Meijer are reported. Rafflesia lawangensis is formerly known only from its type locality in Tualang Gepang, Bukit Lawang area (North Sumatra province), while R. micropylora is found in several localities including Sungai Jernih, Lokop, Ketambe, Lawe Mamas, and Kuala Kompas (Aceh province). Here, we report a new locality of R. lawangensis in Tangkahan (North Sumatra province) about 10 km from its type locality, and two new localities of R. micropylora in Batu Katak and in Cinta Raja (North Sumatra province). We also update the conservation status of both Rafflesia species and assess R. lawangensis as Critically Endangered and R. micropylora as Endangered. In this study, a complete distribution map of both species, habitat characteristics, and an identification key are also provided to be used for conservation managers.

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印度尼西亚勒塞尔山国家公园的莱佛士：最新分布、栖息地特征和保护现状

报告了苏门答腊岛勒塞尔山国家公园的两个特有种 Rafflesia R.Br.（Rafflesiaceae）（即 Rafflesia lawangensis Mat-Salleh、Mahyuni & Susatya 和 Rafflesia micropylora Meijer）的新地点和最新分布情况。Rafflesia lawangensis 以前仅产于其模式产地 Tualang Gepang、Bukit Lawang 地区（北苏门答腊省），而 R. micropylora 则产于多个产地，包括 Sungai Jernih、Lokop、Ketambe、Lawe Mamas 和 Kuala Kompas（亚齐省）。在此，我们报告了位于唐卡汉（北苏门答腊省）距模式产地约 10 公里处的 R. lawangensis 新产地，以及位于 Batu Katak 和 Cinta Raja（北苏门答腊省）的两个 R. micropylora 新产地。我们还更新了这两种莱佛士属植物的保护状况，并将R. lawangensis评定为极危物种，将R. micropylora评定为濒危物种。本研究还提供了这两个物种的完整分布图、栖息地特征和识别要点，供保护管理人员使用。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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