Asclepiadaceae

Hoya sp.

Thanh Hoa Province, Quan Hoa District, Nam Dong Community, Ban Lo Village, Ke Stream, the territory of Nam Dong National Reserve around point 22º25’46’’N 105º36’58’E. Primary and old secondary broad-leaved evergreen humid forest on very steep rocky slopes on solid, marble-like highly eroded limestone at elevation 900–1200 m a.s.l. on steep rocky slope. Creeping epiphytic or lithophytic herbaceous vine 1.5–2 m long on rocky mountain top. Flowers white, corona reddish pink. Occasional.

04 May 2024, Nguyen Huu Cuong, Nguyen Van Ly, L. Averyanov, T. Maisak, AL3105 (photo only).

Nguyen Van Canh: I think it is Hoya fungii. Or maybe Hoya dasyantha.