Typification and rediscovery of <i>Phialacanthus griffithii</i> Benth. &amp; Hook.f. (Acanthaceae) in Arunachal Pradesh, India

Phialacanthus griffithii Benth. &amp; Hook.f. (Acanthaceae), a species long thought unrecorded, was rediscovered in 2023 after a 160‐year gap in the Upper Dibang Valley, Eastern Himalaya, Arunachal Pradesh. The study presents a comprehensive taxonomic account including lectotypification, morphological description, phenology, habitat ecology, distribution and examined specimens. A color photoplate and distribution map are included to assist field identification.

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Publication Details

Journal
Nordic Journal of Botany
Published
2026-01-14
DOI
https://doi.org/10.1002/njb.05042
Primary Topic
Plant Diversity and Evolution
Type
article
Field-Weighted Citation Impact
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article

Typification and rediscovery of Phialacanthus griffithii Benth. & Hook.f. (Acanthaceae) in Arunachal Pradesh, India

Umeshkumar Lalchand Tiwari
Nordic Journal of Botany
Plant Diversity and Evolution
article

Typification and rediscovery of Phialacanthus griffithii Benth. & Hook.f. (Acanthaceae) in Arunachal Pradesh, India

Umeshkumar Lalchand Tiwari
article en

Abstract

Phialacanthus griffithii Benth. &amp; Hook.f. (Acanthaceae), a species long thought unrecorded, was rediscovered in 2023 after a 160‐year gap in the Upper Dibang Valley, Eastern Himalaya, Arunachal Pradesh. The study presents a comprehensive taxonomic account including lectotypification, morphological description, phenology, habitat ecology, distribution and examined specimens. A color photoplate and distribution map are included to assist field identification.

Nordic Journal of Botany
Botanical Survey of India (IN)
Life in Land
Openalex Percentile: Top 92%
Plant Diversity and Evolution
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Typification and rediscovery of <i>Phialacanthus griffithii</i> Benth. &amp; Hook.f. (Acanthaceae) in Arunachal Pradesh, India — Umeshkumar Lalchand Tiwari · Nordic Journal of Botany (2026) | TGRS Research Map | TGRS