A new species and two new combinations of Monolophus (Zingiberaceae) from Indo-Burma

Authors: Ding, Hongbo Countries: Laos, Myanmar DOI: 10.3897/phytokeys.138.39217 Published: Jan. 1, 2020 Source: PhytoKeys OpenAlex: View in OpenAlex

Collection: Pensoft Publishers

Keywords: Caulokaempferia phokhamii · Topics: Ginger and Zingiberaceae research, Southeast Asian Sociopolitical Studies, Piperaceae Chemical and Biological Studies

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Monolophus odontochilus Y.H.Tan & H.B.Ding, a new species from Northern Myanmar, is described and illustrated. The new species is morphologically similar to M. linearis, but differs by having elliptic to oblong leaves (vs. linear-lanceolate to lanceolate), bilobed ligules (vs. entire), purely white corolla (vs. pinkish white), semi-orbicular crenate labellum (vs. trilobed). In addition, a diagnostic key to the new species of Monolophus and its closely related non-yellow flowered species is provided. New combinations are proposed here for Caulokaempferia phokhamii Picheans. & Douangde. and C. wongsuwaniae Picheans. & Douangde. from Laos.

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