Photo: Solanum rostratum.

Flowering tops. Oulu bot.g., Finland. Planted. 2005-08-31.
Solanum rostratum Dunal Engl.: buffalobur nightshade, beaked nightshade, buffalo-berry, buffalo-bur, bull nettle, Colorado bur, Kansas-thistle, Mexican thistle, prickly nightshade, sand bur, Texas thistle. Deu.: Gelbbestachelter Nachtschatten. Bot. syn.: Androcera rostrata (Dunal) Rydb.
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Photo: Solanum rostratum.