Perilimnastes dongchauensis (tribe Sonerileae, Melastomataceae), a new species from Quang Trị province, Vietnam

Collection: Pensoft Publishers

Keywords: Biodiversity · Topics: Plant Diversity and Evolution, Plant and Fungal Species Descriptions, Botany and Geology in Latin America and Caribbean

Perilimnastes dongchauensis (Melastomataceae), apparently endemic to Quang Tri province, Central Vietnam, is described here as a new species. It closely resembles P. suberalata in having elliptic-lanceolate leaf blades, few-flowered inflorescences, 4-merous flowers, and similar anther morphology. However, it differs in several key characteristics, with stems and petioles densely setose (vs. glabrous), leaves equal or subequal in a pair (vs. unequal, rarely subequal) and adaxial surface setose (vs. glabrous), hypanthia setose (vs. glabrous), calyx lobes narrowly triangular (vs. linear), and petals much larger, measuring 17–20 × 13–18 mm (vs. ca. 6 × 3.5 mm).

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