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| Jasminanthes laotica Y.H. Tan & H.B. Ding
(Photographed by H.B. Ding and Y.H. Tan).
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Abstract
Jasminanthes laotica (Apocynaceae, Asclepiadoideae), a new species from northern Laos is described, illustrated and a diagnostic key to the species of Jasminanthes Blume is given in this paper. J. laotica is allied to J. xuanlienensis T.B. Tran & Rodda, but can be distinguished by its longer sepals, obtuse to subcordate lamina base, and bright yellow of the inner corolla lobes, salmon-pink of the outer corolla lobes.
Keywords: Marsdenieae, New record genus, Nam Ha National Bio-Diversity Park, Taxonomy, Eudicots
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| FIGURE 1. Jasminanthes laotica Y.H. Tan & H.B. Ding. A. Flowering branch; B. Inflorescence, underside view; C. Leaves branch in the habitat of the type locality (25 March 2018); D. Leaves; E. Inflorescence, side view; F. Gynostegium and staminal corona; G. Pollinarium; H. Flower, side view; I. Unopened flower, side view; J. Longitudinal section of flower; K. Corolla, inner view; L. Flower exclude corolla and two calyx sepals; M. Pedicel, three calyx sepals and ovary; N. Calycinal colleters
(Photographed by H.B. Ding and Y.H. Tan).
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Jasminanthes laotica Y.H. Tan & H.B. Ding, sp. nov.
Ding Hong Bo, Yang Bin, Xiao-Dong Zeng and Yunhong Tan. 2019. Jasminanthes laotica (Apocynaceae, Asclepiadoideae), The First New Species of Jasminanthes described from Laos. Phytotaxa. 393(3); 297-300. DOI: 10.11646/phytotaxa.393.3.7
