海滨柳穿鱼 hai bin liu chuan yu

Perennials, 15-40 cm tall, grayish, glabrous. Stems ascending, often branched. Leaves opposite or in whorls of 3 or 4, often irregularly whorled or alternate upward, sessile, ovate, obovate, or oblong, 1.5-3 X 0.5-1.5 cm, base obtuse to subcuneate, apex obtuse to subacute; veins obscurely 3-campylodromous. Inflorescences racemose; bracts similar to but much smaller than leaves. Pedicel 3-5 mm. Calyx lobes ovate to lanceolate, 2.5-4 X 1.5-2.5 mm. Corolla bright yellow, 1.2-1.7 cm (excluding spur); spur 3-6 mm, straight; lateral lobes of lower lip 3-5 mm wide, middle lobe narrower; upper lip longer than lower. Capsule globose, ca. 6 mm in diam. Seeds reniform, ca. 2.5 X 1.5 mm, margin thickened. Fl. Aug.

Sandy beaches; near sea level. Liaoning [Japan, Korea, Russia (Far East)].