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| Nepenthes higaonon Lagunday & V.B. Amoroso, in Lagunday, Baul, Ansihagan et Amoroso, 2025. |
Abstract
Nepenthes higaonon (section Alatae) is described as a new species from the gravel substrates of northern Mindanao, Philippines. It is morphologically similar to N. viridis from which differs in having a non-decurrent leaf-to-stem attachment (vs. slightly decurrent in N. viridis), rounded leaf apex (vs. acute), 3 longitudinal veins on each side of the midrib (vs. 1–2), monomorphic pitchers (vs. dimorphic) aerial pitchers cylindrical upper 1/3rd (vs. infundibular upper 1/3rd), aerial pitcher lid flattened, ovate, angled up to 90° completely exposing the opening (vs. domed, oval to cordate, angled up to ca. 60 ° covering the opening), aerial pitcher peristome anterior with shallow depression (vs. often raised), inflorescence 1-flowered (vs. 2-flowered), and by its climbing stems up to ca. 10 m (vs. up to ca. 4 m). The species described is assessed herein as Critically Endangered according to IUCN criteria, facing threats of poaching, shifting cultivation, without legislative protection and calls for immediate conservation efforts.
Nepenthes, new species, northern Mindanao, Misamis Oriental, Eudicots
Nepenthes higaonon
Noel E. LAGUNDAY, Melbert James G. BAUL, Ramil P. ANSIHAGAN and Victor B. AMOROSO. 2025. Nepenthes higaonon (Nepenthaceae), A New Species of Pitcher Plant from the northern Mindanao, Philippines. Phytotaxa. 689(2); 285-290. DOI: doi.org/10.11646/phytotaxa.689.2.12 [2025-02-24]
