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Pakistan | Family List | Urticaceae | Urtica

Urtica dioica Linn., Sp. Pl. 984. 1753. Boiss., l.c. Hook.f.,l.c; Yarmolenko in Komarov, Fl. URSS 5: 393. 1936; Ball in Tutin et al., Fl. Europ. 1:68. 1964; R.R. Stewart, Ann. Cat. VAs., Pl. W Pak. & Kash. 197. 1972; Chrtek in Rech. f., Fl. Iran. 1974.

Vern.: Bichu Booti

Dioecious, perennial, 50-150 cm herb with a dense indumentum of stinging hairs. Stem angled. Leaves with 1.5-4 cm long petiole; lamina narrowly lanceolate to ovate, 5-12 cm long, 2.5-8 cm broad, cordate at the base, margin serrate, apex acute-acuminate; stipules free lateral, oblong-lanceolate, 8-12 mm long, ciliate. Racemes of cymes axillary, often longer than the subtending petiole, densely appressed pubescent, with scattered stinging hairs. Flowers pale-greenish, or whitish, bracteate; bracts of male flowers smaller than those of female flowers. Sepals pubescent. Achenes up to c. 1.5 mm long, ovoid-ellipsoid, pale green or greenish-brown.

Fl. Per.: May-September.

Type: Europe, Herb.Linn. 1111/7 & 8 (LINN).

Distribution: Widespread in the temperate regions of both hemispheres.


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