Common Horehound
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Scientific Name Marrubium vulgare
Family Name Mint ( Lamiaceae )
 
5 petals, Square stems

Upright, woolly-hairy, rank-smelling perenial herb to 2.5 ft.

Flowers: To 1/4 in, 5 petals, white to cream, united into tubular shape. 2-lipped at rim. Upper lip 2-lobed, erect. Lower lip 3 lobed, wide-spreading. Flowers in doughnutlike circles around square stem.

Leaves: To 2 in long, opposite, short-stalked, bladethick, wrinckled, conspicuously vein, rough on upper surface, white-woolly beneath, margins with rounded teeth.
Reference:
Niehaus, Ripper, Savage Peterson Field Guide to Southwestern and Texas Wildflowers p. 90
Geyata Ajilvsgi Wildflowers of Texas p. 75
All year
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