Family: Urticaceae
Parietaria
Citation:
L., Sp. Pl. 1052 (1753).
Derivation: Latin paries, a wall; some species grow on old walls.
Synonymy: Not Applicable Common name: None
Description:
Prostrate to erect annual or perennial herbs; leaves alternate, petiolate, entire, hairy but without stinging hairs, exstipulate.
Flowers bisexual with or without unisexual flowers on the same plant, small, greenish, in short cymes subtended by small bracts; style short or 0; stigmatic hairs forming a dense caducous tuft.
Fruit a small glossy achene enclosed in the persistent perianth.
Distribution:
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About 30 species in both temperate and tropical regions of the world. 1 species native in Australia.
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Biology:
No text
Key to Species:
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1. Diffuse annual; flowers up to 6 at each node; fruiting perianth with papilla-like hairs at least towards the base |
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P. debilis 1. |
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1. Ascending-stemmed herbaceous perennial; flowers usually more than 6 at each node; fruiting perianth hairy but without papilla-like hairs |
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P. judaica 2. |
Author:
Not yet available
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