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Type: Article
Published: 2019-10-31
Page range: 21–32
Abstract views: 47
PDF downloaded: 223

Nepenthes erucoides (Nepenthaceae), an ultramaficolous micro-endemic from Dinagat Islands Province, northern Mindanao, Philippines

National Herbarium of Victoria, Royal Botanic Gardens Melbourne, Melbourne, VIC 3004, Australia
The Graduate School, University of Santo Tomas, España Boulevard, 1015 Manila, Philippines. Research Center for the Natural and Applied Sciences, University of Santo Tomas, España Boulevard, 1015 Manila, Philippines.
DENR-PENRO Dinagat Islands, Caraga Region Purok 2, Barangay Santa Cruz, San Jose, Province of Dinagat Islands, Mindanao, Philippines.
Philippines Malesia new species non-core Caryophyllales taxonomy ultramafic Eudicots

Abstract

A new species of NepenthesN. erucoides—is described and illustrated from a single ultramafic peak in the Dinagat Islands Province of northeastern Mindanao. It is a distinctive component of a relatively low-elevation, highly biodiverse montane elfin forest that has evolved in association with a particularly thin and extremely hostile substrate. Plant habit, and leaf, inflorescence, indumentum and peristome-column morphology appear superficially similar to those of the ultramaficolous montane species of Palawan, implicating an environmental basis for a syndrome of shared characteristics.