Hoya aphylla (Apocynaceae, Asclepiadoideae), a new species from Laos

8 January 2019

Averyanov, Leonid; Averyanova, Anna; Nguyen, Khang; Maisak, Tatiana

Leafless Hoya aphylla (Apocynaceae) is described and illustrated as a new species for science from Hin Nam No National Protected Area of Laos (central Laos, Khammoune province). In its floral morphology discovered plant may be compared with H. lyi, H. carnosa, and H. multiflora, but differs in corona color and shape of corona segments. Like first two mentioned species, new plant allies to the type section, but exhibits certainly isolated position in its leafless habit.