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

18. Strobilanthes lihengiae Y. F. Deng & J. R. I. Wood, Bot. J. Linn. Soc. 150: 379. 2006.

李恒马蓝 li heng ma lan

Herbs to 40 cm tall, perennial, isophyllous. Stems rounded to slightly sulcate, apparently ascending, bifariously pubescent to subglabrous. Petiole 0.2-4 cm, pilose with large white multicellular trichomes; leaf blade ovate to ovate-elliptic, 1.5-11 × 0.5-6 cm, both surfaces pilose with large-celled trichomes especially on veins but adaxially sparser, secondary veins 4 on each side of midvein, base cuneate, margin dentate to crenate, apex shortly acuminate. Inflorescences terminal on main stem and on small axillary branchlets, headlike spikes, very compact; bracts obovate, 8-11 × 6-9 mm, shortly and densely greenish tomentose and also pilose with long large-celled white gland-tipped and non-glandular trichomes, margin entire, apex rounded; bracteoles oblong-oblanceolate, ca. 6 × 1.5-2 mm, margin long ciliate. Calyx subequally 5-lobed to ca. 1 mm from base; lobes green-tipped, lanceolate-oblong, 8-9 × ca. 1.3 cm, exceeding bracteoles, margin long ciliate, apex obtuse. Corolla with a whitish tube base and blue apical part of tube and lobes, 3.2-4 cm, ventricose, sparsely pilose on lobes; tube basally cylindric and ca. 1 mm wide for 8-10 mm then bent and expanded gradually to ca. 1.5 cm wide at mouth; lobes ovate, ca. 5 × 5 mm, apex acute. Stamens 4, included; filaments coarsely pilose, shorter pair ca. 3 mm, longer pair ca. 5 mm; anther thecae narrowly oblong, ca. 3 × 0.5 mm; pollen type 3. Ovary villous; style 2.5-3 cm, basally sparsely pilose. Capsule cylindric, ca. 12 × 3 mm, comose, 4-seeded. Seeds ovate-elliptic in outline, ca. 2.5 × 2 mm, pilose. Fl. Nov-Dec.

● Disturbed evergreen broad-leaved forests; ca. 2000 m. Yunnan (Tengchong).


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