モトウ県でツツジ科の新種2種を発見(Two New Species of Ericaceae Reported from Motuo County, Xizang)

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2025-06-27 中国科学院(CAS)

モトウ県でツツジ科の新種2種を発見(Two New Species of Ericaceae Reported from Motuo County, Xizang)

Agapetes brevituba (Image by TAN Yunhong)

中国科学院西双版納熱帯植物園の研究チームは、西蔵自治区墨脱県でツツジ科の新種2種を発見・報告した。発見されたのはAgapetes brevitubaとVaccinium longisetosumで、いずれも針広混交林の樹上に着生する常緑低木。Agapetesは白地に赤と緑の特徴的な壺形花を、Vacciniumは長い茶色の剛毛と白色半透明の果実を持つ。調査地はいずれも墨脱県のDeergong村周辺に限られ、分布域や個体数は今後の調査が必要とされ、保全評価はIUCNの「データ不足(DD)」と提案された。

<関連情報>

中国南西部・西蔵産ツツジ科植物の2つの新種 Two new species of Ericaceae from Xizang, Southwest China

Xing-Chi Xie, Hai-Yi Zhou, Jian-Wu Li, Xiang-Long Guo, Bin Yang, Yun-Juan Zuo, Yun-Hong Tan

Taiwania  Published:23 June 2025

DOI:10.6165/tai.2025.70.411

Abstract

Two new species of Ericaceae from Motuo County, Xizang Autonomous Region, China, are described and illustrated. Agapetes brevituba X. C. Xie & Y. H. Tan closely resembles A. praestigiosa and A. praeclara but differs by its shorter pedicel and smaller, white urceolate corolla with dark dull red base and green apex. Vaccinium longisetosum X. C. Xie & Y. H. Tan resembles V. lanigerum in leaf shape and venation but can be distinguished by the brown bristle hairs on branches and fruit color. Detailed descriptions, color plates, and notes on the new species are included.

1903自然環境保全
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