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Chinese Plant Names | Family List | Lamiaceae | Isodon

23. Isodon walkeri (Arnott) H. Hara, J. Jap. Bot. 26: 237. 1985.

长叶香茶菜 chang ye xiang cha cai

Description from Flora of China

Plectranthus walkeri Arnott, Pug. Pl. Ind. Or. 36. 1836; Isodon stracheyi (Bentham ex J. D. Hooker) Kudo; P. brandisii Prain; P. stracheyi Bentham ex J. D. Hooker; P. veronicifolius Hance; Rabdosia stracheyi (Bentham ex J. D. Hooker) H. Hara.

Herbs perennial. Stems 40-60 cm tall, repent at base, ascending, unbranched or branched, puberulent or scaly pilose. Stem leaves opposite; petiole 2-12 mm; leaf blade narrowly lanceolate or lanceolate to elliptic-lanceolate, 2.4-7.5 × 0.6-2.1 cm, papery, adaxially olive green, glabrous, scaly hispidulous on veins, abaxially greenish, subglabrous, sparsely brown glandular, base narrowly cuneate, margin ± remotely serrate above middle, apex acuminate. Panicles terminal, 4-30 × 2.5-6 cm; cymes 3-15-flowered, pedunculate, scaly pilose; floral leaves bractlike, ovate to lanceolate; bracteoles minute, linear, ca. 1 mm. Calyx campanulate, ca. 2 × 1.6 mm, conspicuously 10-veined, brown glandular, subglabrous or scaly pilose on veins, slightly 2-lipped; teeth ovate, lower 2 a little longer; fruiting calyx ca. 3 × 1.1 mm, lower lip much longer than upper. Corolla rose or white, 6-7 mm, tube 3-3.5 mm. Stamens and style much exserted. Nutlets ovoid, slightly compressed. Fl. Nov-Jan, fr. Dec-Jan.

Streambanks, wet areas in forests; 300-1300 m. Guangdong, Guangxi, Yunnan [India, Laos, Myanmar, Sri Lanka].


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