Nutlets are ovoid, yellow-brown, with small glands. Flowering period from July to September, fruit period in October.

Perennial herb. The stem is erect, 30-60 cm high, with slender fibrous roots and horizontal creeping rhizomes in the lower nodes, sharp quadrangular, with four grooves, the upper part is puberulent, and the lower part is puberulent only along the edges. Multi-branched.

The leaf blade is oblong-lanceolate, lanceolate, elliptic or ovate-lanceolate, sparsely oblong, 3-5 (7) cm long, 0.8-3 cm wide, apex acute, base wedge-shaped to nearly round, The edge is sparsely thick tooth-like serrations above the base, about 5-6 pairs of lateral veins, and the middle ribs are slightly concave on the upper side, and the lower side is prominent, and the upper side is green; the remaining parts along the veins are densely dense and the rest is sparsely puberulent, or the rest is close except for the veins. It is glabrous, light green above, usually densely puberulent along the veins; petiole is 2-10 mm long, concave and dorsal, and puberulent.

Cymbidium axillary, outline globose, flower diameter about 18 mm, pedunculate or sessile, pedicel up to 3 mm long, puberulent; pedicel slender, 2.5 mm long, puberulent or nearly Hairless. The calyx is tubular and bell-shaped, about 2.5 mm long, puberulent and glandular on the outside, glabrous on the inside, 10-veined, inconspicuous, calyx teeth 5, narrow triangular subulate, apex long and sharp, 1 mm long. Corolla is lavender, 4 mm long, slightly pubescent on the outside, puberulent on the inside below the throat, coronal eaves 4-lobed, apex of upper lobe 2-lobed, larger, and the remaining 3 lobes are nearly equal in size, oblong, The apex is blunt. Stamens 4, long anterior pair, about 5 mm long, all protruding beyond the corolla, filaments filiform, glabrous, anthers ovoid, 2-loculed, parallel chambers. Style slightly beyond stamens, apex nearly equal to 2-lobed, lobes subulate. The faceplate is flat-topped.