Survey of Lagerstroemia L. (Lythraceae) in Indochina (excl. Thailand) with the description of Lagerstroemia densiflora, sp. nov., a new species from Vietnam

Willem J. J. O. De Wilde; Brigitta E. E. Duyfjes

doi:10.5252/a2016n2a8

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30 December 2016 Survey of Lagerstroemia L. (Lythraceae) in Indochina (excl. Thailand) with the description of Lagerstroemia densiflora, sp. nov., a new species from Vietnam

Willem J. J. O. De Wilde , Brigitta E. E. Duyfjes

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Adansonia, 38(2):241-255 (2016). https://doi.org/10.5252/a2016n2a8

Abstract

Lagerstroemia L. (Lythraceae) in Indochina (Cambodia, Laos, and Vietnam) comprises 21 species. Six species, namely Lagerstroemia densiflora W.J.de Wilde & Duyfjes, sp. nov., L. gagnepainii Furtado & Srisuko, L. kratiensis W.J. de Wilde & Duyfjes, L. micrantha Merr., L. lecomtei Gagnep., L. petiolaris Pierre ex Laness., only occur in Indochine. Lagerstroemia densiflora W.J.de Wilde & Duyfjes, sp. nov., from Vietnam, is new to science; it differs from the most similar Lagerstroemia duperreana Pierre ex Gagnep. by a compact and densely flowered inflorescence, the calyx tube smooth and unridged, the pseudopedicel at anthesis 3-4 mm long, in fruit 4-5 mm long, and the glabrous capsules with a smooth surface. For each species the original reference, typification, spot- characters and distribution are presented. There are two keys to the species, one for flowering and one for fruiting material.

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Willem J. J. O. De Wilde and Brigitta E. E. Duyfjes "Survey of Lagerstroemia L. (Lythraceae) in Indochina (excl. Thailand) with the description of Lagerstroemia densiflora, sp. nov., a new species from Vietnam," Adansonia 38(2), 241-255, (30 December 2016). https://doi.org/10.5252/a2016n2a8

Received: 5 February 2016; Accepted: 1 May 2016; Published: 30 December 2016

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