title: Jasminanthes xuanlienensis(Apocynaceae, Asclepiadoideae), a new species from Vietnam.
abstract: Jasminanthes xuanlienensis(Apocynaceae, Asclepiadoideae), a new species from Vietnam is described, illustrated and compared with its five congeners.Jasminanthes xuanlienensisdiffers distinctly from congeners by the longer peduncles (14-18 cm vs. 4 cm at most inJasminanthes pilosaandJasminanthes saxatilis, salmon-pink color of the inner corolla lobes (white or greenish in the other species), and corolla tube length (12.0-14.5 mm vs. shorter or longer in congeners).
authors.affiliation: Department of Botany, Institute of Ecology and Biological Resources, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi, Vietnam.
authors.forename: The Bach
authors.initials: TB
authors.lastname: Tran
authors.affiliation: Department of Botany, Institute of Ecology and Biological Resources, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi, Vietnam.
authors.forename: Do Van
authors.initials: DV
authors.lastname: Hai
authors.affiliation: Hanoi National University of Education, 136, Xuan Thuy Street-Cau Giay District, Hanoi, Vietnam.
authors.forename: Bui Thu
authors.initials: BT
authors.lastname: Ha
authors.affiliation: The Herbarium, Singapore Botanic Gardens, 1 Cluny Road, 259569 Singapore.
authors.forename: Michele
authors.initials: M
authors.lastname: Rodda
keywords: China; Marsdenieae; Xuan Lien National Park