Gesneriaceae

Petrocosmea sp.

Lao Cai Prov., Sapa Distr., the territory of Hoang Lien National Park allied to Sapa Town, route to Ham Rong mountain, around point N 22º20’02’’ E 103º50’55”, elevation 1600-1680 m a.s.l. Humid mossy secondary forest and scrub on very steep slopes of mountain composed with solid marble-like highly eroded limestone on the territory of town botanical garden. Lithophytic rosulate herb in crevices of vertical shady mossy limestone cliff. Not common.

26 May 2022, L. Averyanov, Tran Huy Thai, Khang Sinh Nguyen, T. Maisak, VR 1821.