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

17. Strobilanthes procumbens Y. F. Deng & J. R. I. Wood, J. Trop. Subtrop. Bot. 18: 476. 2010.

金佛山马蓝 jin fo shan ma lan

Herbs to 70 cm tall, perennial, isophyllous. Stems at first procumbent and rooting at nodes then erect, sulcate, densely pubescent with multicellular trichomes. Petiole 3-11 mm, sulcate, densely pubescent with multicellular trichomes; leaf blade ovate to rhomboidal, 0.8-3 × 0.3-2 cm, both surfaces pubescent with multicellular trichomes, adaxially with numerous cystoliths, secondary veins 3-5 on each side of midvein, abaxially elevated, and adaxially impressed, base cuneate and slightly decurrent onto petiole, margin crenate, apex acute. Inflorescences terminal, subcapitate spikes, ca. 1 cm; bracts leaflike, oblanceolate, 4-12 × 2-4 mm, apically diminishing in size, abaxially pubescent, adaxially pubescent with white to slightly yellowish multicellular trichomes, margin entire or with 1 or 2 teeth and silky ciliate, apex obtuse; bracteoles linear-spatulate, ca. 5 × 1 mm, indumentum as for bracts. Calyx subequally 5-lobed to base, white pilose; lobes linear, apex obtuse. Corolla white, funnel-shaped, 2.8-3.3 cm, straight to slightly curved, outside pubescent especially on lobes, inside glabrous except for trichomes retaining style; tube basally cylindric and ca. 1 mm wide for ca. 6 mm then gradually widened to ca. 1 cm at mouth; lobes oblong, ca. 2 × 2 mm. Stamens 4, included; shorter filament pair ca. 2 mm, glabrous; longer filament pair ca. 4 mm, pubescent; anther thecae oblong, ca. 1.3 mm; pollen type ?4. Ovary glabrous except for comose tip; style ca. 1 cm, glabrous. Capsule oblong, ca. 0.8 cm, glabrous except for comose tip, 4-seeded. Seeds elliptic in outline, ca. 1 × 1 mm, pubescent; areola small. Fl. Aug-Sep, fr. Nov.

● Streamsides; 800-1000 m. Chongqing (Nanchuan).


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