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

30. Justicia ferruginea H. S. Lo & D. Fang, Guihaia. 17: 58. 1997.

锈背爵床 xiu bei jue chuang

Mananthes ferruginea (H. S. Lo & D. Fang) C. Y. Wu & C. C. Hu.

Herbs 20-60 cm tall, anisophyllous. Stems 4-angled, sulcate, glabrous. Leaves sessile; leaf blade oblanceolate to rarely lanceolate, 8-17 × 2.5-6.5 cm, papery, glabrous, abaxially rust-colored when dry, secondary veins 10-13 on each side of midvein, base auriculate and somewhat amplexicaul, margin entire, apex obtuse. Spikes terminal or axillary, 1.5-5 cm, interrupted, with 2-5 flowers per node; peduncle 1.5-3.5 cm, glabrous; rachis puberulent; bracts triangular, ca. 1 mm, subglabrous; bracteoles similar to bracts. Calyx ca. 2 mm, subglabrous, 5-lobed almost to base; lobes narrowly triangular. Corolla white, 6.5-7 mm, outside puberulent; lower lip 3-lobed, lobes ca. 1 mm and apex rounded; upper lip ovate-triangular, ca. 3 mm, erect, apex emarginate. Staminal filaments ca. 2 mm, glabrous; anther thecae ca. 1 mm, unequal, superposed, lower one spurred at base. Ovary glabrous; style subglabrous. Capsule not seen. Fl. May-Aug.

● Forests on limestone hills. Guangxi.


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