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

11. Justicia championii T. Anderson in Bentham, Fl. Hongk. 264. 1861.

圆苞杜根藤 yuan bao du gen teng

Adhatoda chinensis Bentham, Hooker’s J. Bot. Kew Gard. Misc. 5: 134. 1853; Calophanoides chinensis (Bentham) C. Y. Wu & H. S. Lo; Dicliptera cyclostegia Handel-Mazzetti; Justicia chinensis (Bentham) Druce (1917), not Linnaeus (1753).

Herbs to 50 cm tall. Stems 4-angled, sulcate, retrorsely pubescent. Petiole (0-)0.5-1.5 cm, sulcate, pubescent; leaf blade elliptic, oblong-elliptic, ovate, or lanceolate, 1-7(-10.5) × 0.5-2(-3.5) cm, sparsely pubescent when young, soon glabrescent or abaxially pilose along midvein, cystoliths adaxially numerous, secondary veins 3-6 on each side of midvein, base cuneate to attenuate, margin entire, apex acute to obtuse. Spikes axillary, usually 3-flowered, several clustered; peduncle 2-4 mm, sparsely pubescent; bracts petiolate, subleaflike, circular to obovate-spatulate or sometimes elliptic, 5-11 × 2-6 mm, glabrous or adaxially sparsely pilose, veins 1-3 on each side of midvein, apex rounded to obtuse; bracteoles subulate to triangular, ca. 1 mm, glabrous or sparsely yellow puberulent, apex acute. Calyx 5-lobed almost to base; lobes yellowish white except for green along veins, linear-lanceolate, 6-7 mm, 1- or 2-veined, margin ciliate. Corolla white with 2 purplish red streaks, 7-10 mm, outside puberulent; lower lip ovate, ca. 4 × 3 mm, 3-lobed, middle lobe semicircular and ca. 0.8 × 1.3 mm, lateral lobes ovate and ca. 1.2 × 1 mm; upper lip lanceolate, ca. 3.5 × 1.5 mm, apex emarginate. Stamens exserted; filaments ca. 4 mm, glabrous; anther thecae superposed, lower one spurred at base, upper one muticous. Ovary glabrous; style ca. 6 mm, sparsely pubescent toward base; stigma capitate. Capsule 8-9 mm, glabrous, 4-seeded. Seeds oblong, ca. 2 × 1.5 mm, verrucose. Fl. and fr. Aug-Oct.

● Thickets, forests; 400-2000 m. Anhui, Fujian, Guangdong, Guangxi, Guizhou, Hainan, Hubei, Hunan, Jiangxi, Yunnan, Zhejiang.

Inflorescences of Justicia championii appear to be axillary clusters of flowers but are much-reduced spikes or racemes with a very short rachis.


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