6c. Stachys baicalensis var. angustifolia Honda, Bot. Mag. (Tokyo) 46: 374. 1932.

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Stachys japonica Miquel f. angustifolia Miquel; S. riederi Chamisso var. hispidula (Regel) H. Hara f. angustifolia (Honda) H. Hara.

Leaves linear to linear-lanceolate, 3-4.5 cm × 4-6 mm.

Open areas; 600 m. Jilin [Japan, Korea, Russia].