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

51. Isodon barbeyanus (H. Léveillé) H. W. Li, J. Arnold Arbor. 69: 362. 1988.

线齿香茶菜 xian chi xiang cha cai

Leucas barbeyana H. Léveillé, Repert. Spec. Nov. Regni Veg. 9: 247. 1911; Plectranthus drogotschiensis Handel-Mazzetti; Rabdosia drogotschiensis (Handel-Mazzetti) H. Hara.

Subshrubs to 1.5 m. Stems erect, much branched, branches brown; branchlets slender, ± densely gray stellate tomentulose. Petiole 5-14 mm; leaf blade rhombic to triangular-ovate, 1.5-3(-6) × 1-2.5(-4.5) cm, papery, adaxially corrugate, sparsely pilose, abaxially ± densely gray stellate tomentulose, base subtruncate to broadly cuneate or rarely attenuate, margin crenate to dentate, apex acute to subobtuse, lateral veins 3- or 4-paired. Panicles terminal or axillary, 4-18 cm, interrupted toward base; cymes pedunculate, 3-5(-7)-flowered; floral leaves subsessile, longer than cymes basally, broadly ovate-triangular, margin crenate; upper floral leaves ca. as long as cymes, ± lanceolate, margin entire. Pedicel 2-3.5 mm. Calyx campanulate, ca. 3 mm, densely gray tomentulose; teeth narrowly lanceolate, ca. 1/2 as long as calyx, apex filiform-acuminate; fruiting calyx broadly campanulate, dilated to 5 mm, subglabrous. Corolla purplish, 5-6 mm, densely pilose, sparsely glandular, tube ca. 3 mm. Stamens and style included or slightly exserted. Nutlets yellow-brown, ovoid, ca. 1.5 mm, glabrous. Fl. Jul-Sep, fr. Sep-Oct.

* Thickets on sunny slopes; 2500-3200 m. Sichuan.


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