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Pakistan | Family List | Urticaceae

Pilea Lindl., Collect. Bot. t.4. 1821. (conserved name); Benth.& Hook.f., Gen.Pl.3:384. 1880; Hook.f.,Fl. Brit. Ind. 5:551. 1885; Hutch., Gen. Fl.Pl. 1:185. 1967.

Monoecious or dioecious herbs or subshrubs, without stinging hairs and with linear cystoliths. Leaves 3-costate, petiolate, opposite, entire or dentate; stipules interpetiolar. Inflorescence axillary, of compact and globose or paniculate sessile or peduncled cymose clusters. Flowers minute, green unisexual, sessile; bracteate. Calyx (2-3-) 4-lobed or truncate and cupular in male flowers, lobes horned outside below the apex; unequally 3-lobed in female, median lobe largest, cucullate or gibbous. Stamens (2-3) 4; staminodes scale-like, inflexed in female flowers. Ovary straight, style absent, stigma penicillate; pistillode conical or oblong in male flowers. Achenes flattened, ovate or orbiculate, not or partly enveloped by calyx. Seeds with hardly any albumen.

A large genus of about 400 species; distributed in tropical and temperate regions throughout the world.

1 Plants succulent, Leaves entire, obovate, elliptic or suborbicular not more than 10 mm long (cultivated)   Pilea microphylla
+ Plants not succulent. Leaves serrate or serrulate ovate or ovate-lanceolate, more than 1 cm long   (2)
2 (1) Hairy. Leaves ovate with large serratures. Achenes quite smooth   Pilea umbrosa
+ Glabrous. Leaves lanceolate with minute serratures. Achenes granular   Pilea scripta

Lower Taxa

Related Synonym(s):


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