Gmelina delavayana Dop

Subshrubs to shrubs, 0.3-3 m tall. Branchlets terete, slender, striate, with sparse small lenticels, puberulent when young, glabrescent. Petiole 3-8 mm; leaf blade broadly ovate to ovate-rhomboid, 1.5-2.5(-5) cm, abaxially glandular, adaxially glabrous, base cuneate to broadly cuneate and slightly oblique, margin entire or coarsely serrate below middle, apex acuminate, veins 3 or 4 pairs. Inflorescences lax terminal thyrses, terminal flowers solitary, basal bracts leaflike, bractlets lanceolate. Calyx campanulate, 6-8 mm, 5-dentate, grayish glandular, outside with several disc-shaped black glands. Corolla bluish to reddish purple, base yellow, 3-4 cm, 2-lipped; lower lip 3-lobed, central lobe largest, hooded; upper lip entire or slightly 2-cleft, puberulent. Stamens slightly exserted. Ovary glabrous, sparsely glandular. Style ± as long as stamens, glabrous. Fruit black when dry, obovoid, 1-1.5 cm, longer than persistent calyx. Fl. May-Jul, fr. Jul-Sep.

SW Sichuan, NW Yunnan.

* Thickets on mountain slopes; 1500-3000 m.

Gmelina montana W. Smith.

Gmelina delavayana là một loài thực vật có hoa trong họ Hoa môi. Loài này được Dop mô tả khoa học đầu tiên năm 1914 publ. 1915.

小叶石梓（学名：Gmelina delavayana）为马鞭草科石梓属下的一个种。