Xanthium strumarium

A large, broad-leaved annual of moist ground, with bur-like pistillate pseudanthia.

A fruiting plant in Percha Box, west of Truth or Consequences, 5 Oct 2008.



Another fruiting plant in Percha Box, 5 Oct 2008. The little brown spheres at the apex of the plant are staminate pseudanthia.



Pistillate pseudanthia in Percha Box, 5 Oct 2008.



A staminate pseudanthium with young pistillate pseudanthia, identifiable by their exserted styles. Percha Box, 5 Oct 2008.

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