<i>Metapetrocosmeanavicularis</i>, a new species of Gesneriaceae in Vietnam.

ABSTRACT: Based on morphological comparisons, literature reviews, and molecular systematic studies, a new species from South Vietnam, Metapetrocosmeanavicularis F.Wen, T.V.Do, Z.B.Xin & K.Tan, has been confirmed. Morphologically, this new species resembles Metapetrocosmeatamiana (B.L.Burtt) Yin Z.Wang & P.W.Li in leaf peltate, bilabiate corollas, arcuate filaments, and slightly curved capsule, while it is distinguished from M.tamiana in having leaf blade ovate to ovate-elliptic, boat-shaped bracts 6-9 mm long, the ratio of corolla lobes length to corolla tube length consistently 1 : 3, corolla tube gradually narrowed from mouth to base, subcylindrical-infundibulate, 10-20-flowered or more, filaments pubescent near the top. Molecular phylogenetic analyses using the combined datas

SUBMITTER: Li QY 

PROVIDER: S-EPMC12355188 | biostudies-literature | 2025

REPOSITORIES: biostudies-literature