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| Microcos bifurcata Chantar., Kladwong & Kunasit, in Chantaranothai, Kladwong & Kunasit, 2022. |
Abstract
A new species, Microcos bifurcata, is illustrated and described here. The species is recognized by having a bifid leaf apex which sharply caudate, 3–4 lateral veins per side, the proximal lateral vein appeared slightly below the midpoint of the leaf length and the distal lateral vein on the top is an opposite pair. The morphological characteristics of the new species are compared and discussed with its similar species. The vernacular name, provisional national IUCN conservation assessment and a distribution map of the new species are provided.
Keywords: Chanthaburi, Grewioideae, Khao Soi Dao, Pursat
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| Microcos bifurcata Chantar., Kladwong & Kunasit: A. twig with inflorescence and fruit; B. detail of twig, petiole, adaxial surface of leaf base and inflorescence; C. floral bud surrounded by involucral bracts; D. bracts (D1 outer, D2 inner); E. longitudinal section of floral bud; F. sepal; G. petals (G1abaxial surface, G2 adaxial surface); H. flower with sepals, petals and some anthers removed; I. fruit; J. longitudinal section of fruit. All from Chantaranothai et al. 2020-140. Drawn by P. Kladwong. |
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| Microcos bifurcata Chantar., Kladwong & Kunasit; A. young leafy branch; B. abaxial surface of leaves; C. inflorescence. D. adaxial surface of leaves and infructescence. Photographstaken on 26 Sept. 2020; A−B. by P. Kladwong; C−D. by B. Boonsuk. |
Microcos bifurcata Chantar., Kladwong & Kunasit, sp. nov.
Etymology.—The specific epithet refers to the leaf apex which is split or cleft into two parts.
Vernacular.—Phlap phla song hang (พลับพลาสองหาง).
Pranom Chantaranothai, Pornchai Kladwong and Pongsakorn Kunasit. 2022. Microcos bifurcata, A New Species of Malvaceae from Thailand and Cambodia. Tropical Natural History. 22(1); 130–135. li01.tci-thaijo.org/index.php/TNH/article/view/257384
