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FOC | Family List | FOC Vol. 19 | Acanthaceae | Rungia

5. Rungia stolonifera C. B. Clarke in J. D. Hooker, Fl. Brit. India. 4: 547. 1885.

匍匐鼠尾黄 pu fu shu wei huang

Justicia stolonifera (C. B. Clarke) B. Hansen.

Herbs 30-60 cm tall, erect, branched, rooting at basal nodes. Stems 4-angled, sulcate, pubescent along groove. Petiole 5-10 mm; leaf blade ovate, 2.5-7.5 × 1.8-3.8 cm, subglabrous except for some pubescence on margin, secondary veins ca. 5 on each side of midvein, base broadly cuneate, margin entire or undulate, apex acute. Spikes terminal or axillary; bracts obovate to spatulate, ca. 4 × 3 mm, minutely pubescent, margin hyaline, apex rounded; bracteoles ovate-lanceolate, similar to bracts. Calyx ca. 1.3 cm, glabrous; lobes lanceolate, margin hyaline. Corolla 1.2-1.6 cm; tube basally cylindric, 2-3 mm in diam., and straight for ca. 8 mm; limb ca. 4 mm; lower lip 3-lobed, pendent, lobes oblong and ca. 1 × 1 mm; upper lip triangular, erect, subentire. Staminal filaments white, glabrous; anther thecae purplish black. Ovary sparsely hirsute; style 1.5-1.8 cm, exserted; stigma orbicular. Capsule 3-4 mm, subglabrous. Seeds ovate in outline, ca. 2 × 1.5 mm, minutely gland-tipped papillose. Fl. Sep-Oct, fr. Nov-Dec.

Forests, trailsides; 200-2300 m. Yunnan [Bangladesh, India].


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