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Issue: Vol. 637 No. 1: 15 Feb. 2024
Type: Article
Published: 2024-02-15
DOI: 10.11646/phytotaxa.637.1.6
Page range: 87-96
Abstract views: 35
PDF downloaded: 2

Sympatric speciation in Dipcadi saxorum at Kanheri Caves, Borivali, Maharashtra India

R.D & S.H. National College, Department of Botany Bandra (W), Mumbai-400050, Maharashtra, India
R.D & S.H. National College, Department of Botany Bandra (W), Mumbai-400050, Maharashtra, India
School of Plant Sciences, Karl Franzen University, Graz, Austria, Europe
R.D & S.H. National College, Department of Botany Bandra (W), Mumbai-400050, Maharashtra, India
Botanic Garden of Indian Republic, Botanical Survey of India, Ministry of Environment, Forest & Climate Change, Noida-201303, Uttar Pradesh, India
Bharati Vidyapeeth (Deemed) University, Rajiv Gandhi Institute of IT and Biotechnology, Pune-411 046, Maharashtra, India
anatomy Asparagaceae Chromosome DNA Kamheriense Morphology New variety Dipcadi saxorum Monocots

Abstract

Dipcadi saxorum was first described from Kanheri caves, Mumbai, India. This species shows active speciation based on niche differentiation and partial temporal isolation. The variant growing in a different microhabitat on the plateau top is a sympatric cryptic population described here as a new variety D. saxorum var. kanheriense. The new variety is characterized by 7–8, larger, unchanneled leaves, persistent till infructescence and 24–40 flowers in dense racemes. The two variants of D. saxorum are discussed based on their morphology and karyotype.

 

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