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Article
Published: 2022-09-14

Aristolochia rethyae, a new species from Arunachal Pradesh, north-east India

Forest Systematic & Ethnobiology Laboratory, Department of Forestry, North Eastern Regional Institute of Science and Technology, Nirjuli 791 109, Arunachal Pradesh, India
Forest Systematic & Ethnobiology Laboratory, Department of Forestry, North Eastern Regional Institute of Science and Technology, Nirjuli 791 109, Arunachal Pradesh, India
Forest Systematic & Ethnobiology Laboratory, Department of Forestry, North Eastern Regional Institute of Science and Technology, Nirjuli 791 109, Arunachal Pradesh, India
Forest Systematic & Ethnobiology Laboratory, Department of Forestry, North Eastern Regional Institute of Science and Technology, Nirjuli 791 109, Arunachal Pradesh, India
Forest Systematic & Ethnobiology Laboratory, Department of Forestry, North Eastern Regional Institute of Science and Technology, Nirjuli 791 109, Arunachal Pradesh, India
Arunachal Pradesh Critically Endangered India new taxon Siphisia Magnoliids

Abstract

Aristolochia rethyae, a new species from Arunachal Pradesh, north-east India, is described. Aristolochia rethyae is affinis to A. griffithii and A. tanzawana with similar leaf texture and shallowly 3-lobed perianth limb, but differs from A. griffithii in its ovate to narrowly ovate leaf shape, cauliflorous flower borne in a cluster and densely hirsute brown capsule, and from A. tanzawana in their cauliflorous inflorescence, S-shaped perianth and capsule size with distinct wavy ridges.

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