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Electronic Flora of South Australia genus Fact Sheet

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:  About 30 species in both temperate and tropical regions of the world. 1 species native in Australia.

Biology: No text

Key to Species:
1. Diffuse annual; flowers up to 6 at each node; fruiting perianth with papilla-like hairs at least towards the base
P. debilis 1.
1. Ascending-stemmed herbaceous perennial; flowers usually more than 6 at each node; fruiting perianth hairy but without papilla-like hairs
P. judaica 2.

Author: Not yet available


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