Jasminum albicalyx Kobuski (Oleaceae): a new record from Vietnam

Abstract

We report a new record of Jasminum albicalyx Kobuski in Vietnam. The plant differs from J. pedunculatum Gagnep., a closely related taxon, by foliar and floral characters such as less number of lateral veins, presence of domatia at vein axils on the abaxial surface of leaf, smaller bracts, white calyx having more number of lobes and less number of lobes in corolla. Morphological description, line drawing and color photographs are provided in addition to the species key of allied species of Jasminum albicalyx in Vietnam.

\(\textit{Jasminum binhchauense}\) (Oleaceae), a new species from Binh Chau-Phuoc Buu Nature Reserve in Southern Vietnam

“…However, the impacts are not too serious, the population is located in a protected natural area with the ability to regenerate, so it is classified as vulnerable (VU) according to the criteria by IUCN (2021). (Description of Jasminum ledangense Kiew and Jasminum nervosum Lour., follows Ho, 2000;Kiew, 2018 andBui, 2020…”

“…Jasminum L. is a genus of the family Oleaceae and contains about 200 species distributed widely in tropical and subtropical Asia and the Pacific Islands (Chang et al,1996;Green, 1999;Newman et al, 2007;Jin et al, 2016;Cho et al, 2016;Govaerts & Green, 2021) and by 40 species, 4 subspecies, and 1 variety (6 spp. endemic) in Vietnam (Ho, 2000;Tran, 2003;Bui et al, 2013Bui et al, a,b,c, 2016Bui et al, , 2017aBui et al, ,b, 2019Bui et al, , 2020Bui et al, , 2021.…”

<b>Two jasmine (Oleaceae: <I>Jasminum</I> L.) taxa newly recorded in Vietnam</b>

“…o r g > Jasminum L. is one of the largest genera of Oleaceae, with over 200 species and has great diversity in tropical and subtropical regions of Southeast Asia, Europe, Australia and Africa (Mabberley 2008). The genus Jasminum in Vietnam has taxonomically been studied by several authors (Kobuski 1939;Pham 2003;Tran 2003;Bui et al , 2014. Bui et al ( , 2014 recognized 35 species of Jasminum in Vietnam.…”

“…The genus Jasminum in Vietnam has taxonomically been studied by several authors (Kobuski 1939;Pham 2003;Tran 2003;Bui et al , 2014. Bui et al ( , 2014 recognized 35 species of Jasminum in Vietnam. Among the 35 species of Jasminum, five species are newly recorded to the flora of Vietnam.…”