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Pakistan | Family List | Urticaceae | Urtica

Urtica pilulifera Linn., Sp. P. 983. 1753. Boiss., l.c. 1147; Hook f.,l.c.; Yarmolenko in Komarov, l.c. 387; Ball in Tutin et al., l.c. ; R.R. Stewart l.c. 198;, Tackholm, Stud. Fl.Egypt,ed. 2.55. 1974; Chrtek, l.c.5.

Monoecious annual or biennial, 20-100 cm tall herb, with sparse stinging hairs. Stem quadrangular. Leaves with 2-10 cm long petiole; lamina ovate to broadly ovate, 2-10 cm long, 2-8cm broad, truncate or subcordate-cordate at the base, margin shallow to deeply Serrate, apex acuminate; stipules free lateral, triangular-ovate to lanceolate, 3-6 mm long, membranous. Racemes bisexual, male flowers spiked, female flowers in terminal globose long peduncled head, c. 1 cm in diameter. Achenes broadly ovate, c. 2.5 mm long, c. 2 mm broad, dark brown, enclosed by enlarged dorsal sepals.

Type: Herb. Linn. 1111/1 (LINN).

Distribution: Europe, Egypt, Turkey, Russia (Crimea, Caucasus), Afghanistan, Iran, Pakistan (N.W.F.P. & Punjab) and N.W.India.

The Roman nettle, a native of Europe, grows as weed in crops and gardens.


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