Acanthaceae

Strobilanthes cusia Kuntze

Hanoi City Area, Ba Vi District, southern prat of Ba Vi National Park, Ba Vi Mountain Range. Primary and old secondary broad-leaved evergreen forest on steep slopes composed with solid shaly limestone at elevation 900–950 m a.s.l. Undershrub to 1 m tall on steep rocky slope. Flowers blue. Not rare.

12 November 2022, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, T. Maisak, AL 1636b (photo only).