Two New Species of Lasianthus (Rubiaceae) from Northern Vietnam

Van-Son Dang; Akiyo Naiki

doi:10.5735/085.057.0106

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Van-Son Dang,^1,2,* Akiyo Naiki²

¹The VNM Herbarium, Institute of Tropical Biology, Vietnam Academy of Science and Technology, 85 Tran Quoc Toan Street, District 3, Ho Chi Minh City, Vietnam
²Iriomote Station, Tropical Biosphere Research Center, University of the Ryukyus, 870 Uehara, Taketomi-cho, Yaeyama-gun, Okinawa 907-1541, Japan

^* (corresponding author's e-mail: dvsonitb@gmail.com)

Abstract

Two new species of Lasianthus (Rubiaceae), L. thuyanae V.S. Dang & Naiki from Ba Vi National Park, Ha Noi City, northern Vietnam, and L. tamdaoensis V.S. Dang from Tam Dao National Park, Vinh Phuc Province, northern Vietnam, are described and illustrated. Lasianthus thuyanae is closely related to L. curtisii but differs from it by having larger stipules and corollas, and a differently coloured calyx. Lasianthus tamdaoensis resembles L. filipes and L. longipedunculatus but differs from them by having longer petioles and larger corolla lobes.

Citation Download Citation

Van-Son Dang and Akiyo Naiki "Two New Species of Lasianthus (Rubiaceae) from Northern Vietnam," Annales Botanici Fennici 57(1-3), 49-54, (14 May 2020). https://doi.org/10.5735/085.057.0106

Received: 30 May 2019; Accepted: 24 October 2019; Published: 14 May 2020

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