Description from Flora of China
Perilla frutescens (Linnaeus) Britton var. auriculato-dentata C. Y. Wu & Hsuan ex H. W. Li.
Herbs erect, annual. Stems 40-50 cm tall, usually much branched, densely crisped pilose, glandular. Petiole (1/3-)1/2 as long as blade, densely crisped pilose, glandular; leaf blade ovate to broadly ovate, 4-10 2-10 cm, herbaceous, sparsely fine strigose, abaxially densely glandular, base rounded to shallowly cordate, lowest teeth auriculate dilated, margin crenate-dentate, apex long acuminate; veins purplish, conspicuous. Spikes terminal or axillary, short pedunculate, 5-12 cm; bracts loosely overlapping, subcircular, ca. 3 mm, bright colored, softly dense ciliate, apex mucronate. Calyx villous outside, tube much longer than teeth; posterior teeth narrowly lanceolate, apex acute; anterior teeth shorter, wider, apex obtuse to mucronate. Corolla rose red, 2-3 mm, slightly exserted, sparsely pilose outside; tube straight, funnelform, pilose annulate inside; upper lip slightly shorter than tube, quadrate-orbicular, apex emarginate; lower lip slightly shorter than upper, middle lobe emarginate, lateral lobes circular. Anthers globose. Fl. and fr. Aug-Nov.
* Hills, forests; 200-2500 m. Anhui, Guizhou, Hubei, Hunan, Jiangxi.