Urticaceae
Alternative names: Not Applicable
Description:
Herbs or less often woody plants, often with stinging hairs; leaves opposite or alternate, simple, often toothed; stipules paired or 0.
Flowers usually cymose, unisexual, bisexual or plants with both unisexual and bisexual flowers; perianth-segments 4, imbricate or valvate; stamens 4, opposite the segments, the filaments springing backwards elastically; ovary superior, 1-celled, with 1 basal orthotropous ovule and 1 style.
Fruit an achene or drupe; seeds albuminous, embryo straight, radicle superior.
Distribution:
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About 45 genera and 550 species in most parts of the world. About 10 genera native to Australia.
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Biology:
No text
Key to Genera:
Author:
Prepared by J.P. Jessop
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