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FOC | Family List | FOC Vol. 17 | Lamiaceae | Isodon

60. Isodon megathyrsus (Diels) H. W. Li, J. Arnold Arbor. 69: 374. 1988.

大锥香茶菜 da zhui xiang cha cai

Herbs erect, perennial. Petiole 0.5-5 cm; leaf blade broadly ovate, 3.5-7.5 × 2-4.5 cm, papery, pilose, base abruptly attenuate, margin crenate-dentate, apex acute, lateral veins 4-paired. Panicles terminal, to 30 × 20 cm, densely glandular pubescent, pilose; cymes pedunculate, 5-11-flowered; floral leaves ovate. Calyx broadly campanulate, 2.5-3 × to 4 mm, 2-lipped, densely glandular pubescent, veins and margin pilose; teeth ca. 1/2 as long as calyx, narrowly triangular, apex acuminate. Corolla, blue or bluish purple, to 9 mm, puberulent, glandular, tube ca. 5 mm, upper lip ca. 3 mm, lower lip ca. 4 mm. Stamens included. Style included. Nutlets yellow-brown, ovoid, ca. 1.2 mm, glabrous. Fl. Aug-Sep, fr. Oct.

* Forests; 2300-3500 m. Sichuan, Yunnan

1 Plants ± densely pilose, sometimes intermixed with glandular pubescent or puberulent hairs   60a var. megathyrsus
+ Plants very densely gray or dull yellow strigose   60b var. strigosissimus

Lower Taxa


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