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

28. Strobilanthes longiflora Benoist, Bull. Mus. Natl. Hist. Nat. 28: 94. 1922.

长花马蓝 chang hua ma lan

Championella longiflora (Benoist) C. Y. Wu & C. C. Hu.

Herbs to 50 cm tall, isophyllous. Stems sulcate, glabrous. Petiole 2-4 mm, pubescent; leaf blade broadly lanceolate to ovate, to ca. 10 × 5 cm, glabrous, cystoliths very prominent on both surfaces, secondary veins 3-5 on each side of midvein, base cuneate, margin minutely crenulate, apex acuminate. Inflorescences terminal or from apical axils, spikes, 0-4 cm, 8-12-flowered but sometimes reduced to a single flower in leaf axils; bracts oblanceolate-spatulate, 10-13 × 1.5-3 mm, sparsely pilose, apex entire to weakly 3-lobed; bracteoles oblong, ca. 6 × 1 mm, pilose with a comose apex, apex obtuse. Calyx ca. 1 cm, 5-lobed almost to base; lobes linear, ca. 9 × 1.5 mm, comose. Corolla blue, funnel-shaped, ca. 5 cm, strongly bent, outside pubescent, inside glabrous except for trichomes retaining style; tube basally cylindric and ca. 2 mm wide for ca. 8 mm then gradually widened to ca. 9 mm at mouth; lobes ovate, ca. 4 × 3 mm, apex obtuse. Stamens 4, included; filaments pilose, shorter pair ca. 4 mm, longer pair ca. 6 mm; anther thecae oblong, ca. 2.5 × 1.2 mm; pollen type 15. Ovary glabrous but pubescent at tip; style sparsely white pilose; stigma linear. Capsule oblong-fusiform, ca. 8 × 2 mm, glabrous apart from a few apical trichomes, 4-seeded. Fl. Aug-Oct, fr. Nov-Dec.

● Thickets; 700-1500 m. Yunnan.


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