Common name: Bristly Oxtongue
Scientific name: Helminthotheca echioides 剛毛牛舌菊, 剛毛牛舌苣
Genus: Helminthotheca 牛舌菊屬, 牛舌苣屬
Family: Asteraceae or Compositae 菊科, aster , daisy, composite or sunflower family
Origin: Archaeophyte (established before 1500 AD.) It has a European Southern-temperate distribution.
Date:
a tall plant, can reach up to 90 cm
hairs with barbs on the stem
stem leaf sessile, more or less cordate and clasping; coarsely toothed
outer involucral bracts broad and leaf-like
forming fruits
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