Herbs perennial. Rhizomes enlarged, succulent. Stems erect, 40-50 cm, angles and nodes sparsely retrorse pilose-hispid. Petiole of stem leaves 1-4.5 cm; blade oblong-ovate, 4.5-8 × 2.5-3 cm, sparsely pilose-hispid, densely so on abaxial veins, base shallowly cordate or rounded, margin coarsely crenate-serrate, apex obtuse. Spikes 5-18 cm; verticillasters 4-6-flowered, widely spaced; bracteoles few, less than 0.5 mm, early deciduous. Pedicel ca. 1 mm. Calyx obconical, ca. 5.5 mm, densely puberulent, glandular, conspicuously 10-veined; tube ca. 4 mm; teeth deltate to lanceolate-triangular, equal, 1.5-3 mm, margin glandular puberulent. Corolla ca. 1.1 cm; tube ca. 7 mm, cylindric, apex puberulent; upper lip straight, oblong-ovate, ca. 4 × 2.5 mm; lower lip horizontally spreading, ovate, ca. 5 × 4 mm; middle lobe narrowly ovate, ca. 1.5 mm wide, sparsely puberulent; lateral lobes ovate, ca. 1.5 mm wide. Stamens included; filaments puberulent below middle. Ovary black-brown, glabrous. Fl. Apr-May.
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A herb. It keeps growing from year to year. The rhizomes or underground stems are enlarged and succulent. The above ground stems are erect. They are 40-50 cm high. The leaf stalk of the stem leaves are 1-4.5 cm long. The leaf blade is oval and 4.5-8 cm long by 2.5-3 cm wide. There are teeth near the tip. The flower spikes are 5-18 cm long. There are 4-6 flowers in a ring. The flowers are red or purple. The teeth are D shaped on the flower.
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