筒冠花Siphocranion macranthum (Hook. f.) C. Y. Wu

别名：小叶筒冠花;草藤乌;冠筒花;筒管花;

科名：唇形科 Labiatae

属名：筒冠花属 Siphocranion

《中国植物志》第66卷391页
  1.筒冠花 草藤乌（四川峨眉），大花筒冠花（植物分类学报8卷1期）
  Siphocranion macranthum (Hook. f.) C. Y. Wu in Act. Phytotax. Sin. 8(1): 56. 1959——Plectranthus macranthus Hook. f. Fl. Brit. Ind. 4: 616. 1885; Diels in Notes Bot. Gard. Edinburgh 7: 66, 314. 1912; 384. 1913; Dunn in ibid. 8: 170. 1913; 6: 136, 139. 1915; Hand.-Mazz. in Act. Hort. Gothob. 9: 93. 1934; Doan in Lecte. Fl. Gen. Indo-Chine 4: 946. 1936——Hancea hemsleyana Levl. in Fedde, Repert. Sp. Nov. 9: 223. 1911——Plectranthus mairei Levl. in Bull. Soc. Agr. Sc. Sarthe 44: 479-480. 1914; in Bot. Centralbl. 128: 423. 1915——Isodon macranthus (Hook. f.)Kudo in Mem. Fac. Sci. Agr. Taihoku Univ. 2: 138. 1929——Hanceola sinensis auct. non (Hemsl. )Kudo: C. Y. Wu in Act. Phytotax. Sin. 8(1): 58. 1959, quoad specim. Kweichow. ——Rabdosia macrantha (Hook. f. )Hara in Journ. Jap. Bot. 47(7): 197. 1972.

《Flora of China》 Vol. 17 (1994)
Siphocranion macranthum  (J. D. Hooker) C. Y. Wu
筒冠花   tong guan hua
Plectranthus macranthus J. D. Hooker, Fl. Brit. India 4: 616. 1885; Hancea hemsleyana H. Léveillé; H. prainiana H. Léveillé; Isodon macranthus (J. D. Hooker) Kudo; P. prainiana (H. Léveillé) Kudo; Rabdosia macrantha (J. D. Hooker) H. Hara; S. macranthum var. microphyllum C. Y. Wu; S. macranthum var. prainianum (H. Léveillé) C. Y. Wu & H. W. Li.
Stems prostrate-ascending, 20-70 cm, densely spreading villous to glandular floccose-villous, sometimes subglabrous. Petiole 0.5-3 cm; leaf blade ovate-lanceolate to ovate, (1-)3-10 × (1-)2.5-5 cm, puberulent on veins, adaxially sparsely appressed minutely hispid, abaxially subglabrous, base broadly cuneate, margin coarsely remote serrate, apex acute. Racemes 4-20 cm; bracteoles lanceolate, 4-10 mm, ciliate. Pedicel ca. 5 mm. Calyx ca. 4 mm, glandular puberulent; upper lip ca. 3 mm, teeth triangular, apex mucronate; lower lip ca. 2.5 mm, teeth narrowly triangular, subulate; fruiting calyx conspicuously veined, declinate, to 1.2 cm; teeth of upper lip to 4 mm, teeth of lower lip narrow lanceolate, ca. 2 mm. Corolla reddish to purplish blue, tubular, to 2.5 cm, ± straight, throat slightly dilated; upper lobes ovate, subequal, ca. 3 mm; lower lip 4-9 mm, subcircular, slightly concave, margin entire. Stamens included, anterior 2 inserted on or near throat of corolla. Nutlets yellow-brown, ovoid, ca. 1.5 mm wide. Fl. Jul-Oct, fr. Oct-Nov.
Subtropical evergreen and mixed forests; 1300-3200 m. Guangxi, Guizhou, Sichuan, Xizang, Yunnan [India, Myanmar, Vietnam]
A medicinal herb.