FLORA OF VIETNAM Plants of the Da Krong Nature Reserve Gesneriaceae Vietnam, Quang Tri Prov., Da Krong Distr., Ta Long Municipality, around point 16°36′30″N 106°52′52″E at elevation 170-200 m a.s.l.
On cliffs of limestone mts. Flowers light blue.
HLF 5766 17 March 2006.
Coll. Nguyen Sinh Khang. Grant from Henry Luce Foundation.