Quang Binh Prov., Minh Hoa Distr., Thuong Hoa municipality, environs of Mo O O O village, around point 17°39′21.7”N 105°54′59.5”E.
Closed broad-leaved primary forest on very steep rocky slope at middle part of remnant mountain (with summit at about 750 m) composed with highly eroded solid crystalline limestone at elevation about 556 m a.s.l.
Lithophytic rosulate herb on vertical shady cliffs. Very common.
CPC 3812 27 July 2011 Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Vinh.