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

13. Justicia xylopoda W. W. Smith, Notes Roy. Bot. Gard. Edinburgh. 11: 214. 1919.

木柄杜根藤 mu bing du gen teng

Calophanoides xylopoda (W. W. Smith) C. Y. Wu ex H. P. Tsui.

Shrubs 10-13 cm tall. Stems very short, much branched; branches basally often cylindric, erect or decumbent, apically ascending, grayish or whitish pubescent, internodes sulcate. Petiole 1-3 cm, white pubescent; leaf blade ovate to narrowly ovate, 1-2.4 × 0.7-1.2 cm, papery, abaxially minutely and sparsely pilose on veins, adaxially glabrous, secondary veins 3 on each side of midvein, base cuneate and decurrent onto petiole, margin entire, apex ± obtuse. Spikes axillary, ca. 1 cm, usually 3-flowered; bracts ovate, ca. 1 cm, pubescent like leaves; bracteoles sublinear, ca. 1.5 mm. Calyx green, ca. 6 mm, 5-lobed to base; lobes linear-lanceolate, membranous, subequal, margin white, apex acuminate. Corolla yellow with purplish spots, ca. 1 cm, outside white pilose; lower lip broad, 3-lobed with center one larger; upper lip triangular, 2-lobed. Stamens inserted at apical part of corolla tube; filaments pilose around insertion; anther thecae superposed, lower one with a white spur at base. Ovary glabrous. Capsule not seen.

● Thickets on mountain slopes; 2300-2400 m. Sichuan, Yunnan.


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