Lasianthus honbaensis (Rubiaceae), a New Species from Southern Vietnam

Van-Son Dang; Shuichiro Tagane; Hironori Toyama; Akiyo Naiki; Hidetoshi Nagamasu; Tetsukazu Yahara

doi:10.5735/085.053.0414

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1 July 2016 Lasianthus honbaensis (Rubiaceae), a New Species from Southern Vietnam

Van-Son Dang, Shuichiro Tagane, Hironori Toyama, Akiyo Naiki, Hidetoshi Nagamasu, Tetsukazu Yahara

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Annales Botanici Fennici, 53(3–4):263-266 (2016). https://doi.org/10.5735/085.053.0414

Abstract

Lasianthus honbaensis V.S. Dang, Tagane & H. Toyama sp. nova (Rubiaceae) is described and illustrated from Hon Ba Nature Reserve, Khanh Hoa Province, southern Vietnam. It resembles L. inodorus and L. inodorus subsp. pubescens in leaf morphology, but differs from them in having shorter stipules, calyx tubes and corolla, and orange fruits. It is also similar to L. latifolius and L. calycinus in deeply disected calyx lobes and orange fruits, but differs from them by having persistent bracts and shorter calyx tubes. A table comparing the new species with its closest allies is provided.

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Van-Son Dang, Shuichiro Tagane, Hironori Toyama, Akiyo Naiki, Hidetoshi Nagamasu, and Tetsukazu Yahara "Lasianthus honbaensis (Rubiaceae), a New Species from Southern Vietnam," Annales Botanici Fennici 53(3–4), 263-266, (1 July 2016). https://doi.org/10.5735/085.053.0414

Received: 22 October 2015; Accepted: 20 June 2016; Published: 1 July 2016

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