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Chinese Plant Names | Family List | Lamiaceae | Isodon

16. Isodon irroratus (Forrest ex Diels) Kudô, Mem. Fac. Sci. Taihoku Imp. Univ. 2: 121. 1929.

露珠香茶菜 lu zhu xiang cha cai

Description from Flora of China

Plectranthus irroratus Forrest ex Diels, Notes Roy. Bot. Gard. Edinburgh 5: 228. 1912; Rabdosia irrorata (Forrest ex Diels) H. Hara; R. irrorata var. crenata C. Y. Wu & H. W. Li; R. irrorata var. longipes C. Y. Wu & H. W. Li; R. irrorata var. rungshiaensis C. Y. Wu & H. W. Li.

Shrubs erect, 30-100 cm tall. Stems erect or ascending, brown-gray, much branched at apex; puberulent. Petiole 1-2 mm; leaf blade ovate to broadly ovate, 1.5-3 × 1.3-2.5 cm, papery, abaxially sparsely hirtellous along veins, sparsely yellowish glandular, base broadly cuneate, margin crenate except for entire base, apex obtuse; lateral veins 3- or 4-paired, elevated. Panicles slightly patent, (6-)10-15(-20) cm, glandular pubescent; floral leaves similar to stem leaves, smaller; bracteoles linear, 1-2 mm. Pedicel 1-3 mm. Calyx purplish, 4-5 mm, slightly declinate, broadly campanulate, hirtellous on veins outside, sparsely yellowish glandular, ± 2-lipped; teeth lanceolate-ovate, 1-1.5 mm, lower 2 slightly wider; fruiting calyx dilated, 6-7 mm, conspicuously 10-veined. Corolla blue or purple, sparsely pubescent outside, tube to 1 cm, limb ca. 5 mm. Stamens included. Style included. Nutlets dark brown, ovoid, ca. 1.5 mm wide, glabrous. Fl. Jul-Aug, fr. Aug-Oct.

* Dry shady areas among shrub layer in pine, bamboo, and fir forests; 2700-3500 m. Xizang, Yunnan.


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