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Pakistan | Family List | Acanthaceae | Justicia

6. Justicia japonica Thunb., Fl. Jap. 20. 1784.

Vern.: Janiolo.


  • Justicia procumbens var. simplex (D. Don) Yamazaki
  • Justicia simplex D. Don
  • Rostellaria mollissima Nees
  • Rostellaria rotundifolia Nees
  • Rostellularia japonica (Thunb.) Ellis

    An erect, up to 50 cm herb, with quadrangular, zigzag, ribbed, strigose twigs. Leaves with 3–5 mm long, hairy petiole; lamina elliptic-lanceolate, 2.5–4.5 cm x 7–12 mm, scabrous above, strigose along the nerves banes cystoliths lineolate, entire, apex acute, base cuneate. Inflorescence sessile or stalked, cylindrical, (2–) 3–6 (–8) cm long, axillary and terminal, erect spikes. Flowers pink or purplish-pink, c.8 mm long; bracts elliptic-ovate, 3–4 mm x 1.5–2 mm, scarious with green midrib, pilose; bracteoles narrower and akin to bracts. Calyx usually deeply 4–lobed, rarely 3–lobed due to reduction lobes lanceolate, c. 4 mm long, scarious margined, long hairy. Corolla tube c. 3 mm long, narrow, glabrous outside, upper lip c. 3 mm long, slightly bilobed, hairy outside, lower lip ovate-suborbicular, c. 3 mm long, hairy outside, shorthy 3–lobed. Staminal filaments c. 2 mm long, basally dilated, anthers oblong 0.6–0.7 mm long. Ovary oblong, c. 1.5 mm long, pubescent; style filiform, c. 4 mm long, basally hairy. Capsule shortly stipitate, oblong, 3–4 mm long, hair' glabrescent. Seeds ± ovate, c. 1 mm long, rugose.

    Fl. Per.: June-August.

    Type: Described from Nepal, Wallich s.n. (BM).

    Distribution: Nepal, Western India, Pakistan, Sir Lanka, Burma, Thailand (plains to 7000 ft.).


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