Isodon henryi (Hemsl.) Kudô

Perennial herbs. Stems erect, (30-)50-100(-150) cm, base glabrescent, angles sparsely pubescent, much branched at apex, branches slender. Petiole to 4 cm; leaf blade rhombic-ovate to lanceolate, mid stem leaves ca. 6 × 4 cm, upper and lower stem leaves smaller, papery, adaxially densely strigillose, abaxially glabrous, sparsely strigillose on veins, abruptly contracted from middle of blades, margin crenate-serrate, apex acuminate, lateral veins 3- or 4-paired. Panicles terminal, narrow, 6-10(-15) × ca. 2.5 cm, glandular pubescent; cymes pedunculate, 3-5-flowered; floral leaves similar to stem leaves. Calyx broadly campanulate, ca. 3 mm, puberulent, purplish, 2-lipped; teeth subequal, ca. 1/2 as long as calyx, upper 3 slightly smaller; fruiting calyx ca. 6 mm, obviously veined, subglabrous, glandular, slightly curved. Corolla white or purplish with purple marks, ca. 7 mm, puberulent, glandular, tube ca. 3.5 mm, upper lip ca. 3 mm, lower lip ca. 3.5 mm. Stamens included. Style included. Nutlets brown, compressed, oblong, ca. 1.3 mm, glabrous, verruculose. Fl. Aug-Sep, fr. Sep-Oct.

Gansu, Hebei, Henan, Hubei, Shaanxi, Shanxi, Sichuan.

* Valleys, hills, forest margins, streamsides; 300-2600 m.

Plectranthus henryi Hemsley, J. Linn. Soc., Bot. 26: 271. 1890; Rabdosia henryi (Hemsley) H. Hara.

Isodon henryi là một loài thực vật có hoa trong họ Hoa môi. Loài này được (Hemsl.) Kudô mô tả khoa học đầu tiên năm 1929.