Acrid lobelia (Lobelia urens)
Description
It is a more or less hairless perennial which grows up to 60 cm tall. It has rhizomes. The leaves are obovate at the base, and linear to oblong higher up. They are shiny dark green and toothed. They have very short stalks. The calyx teeth are long and very narrow. The flowers are up to 1.5 cm long, blue-purple. They have 2 narrow lobes on upper lip, and 3 narrow teeth on the lower. The stalks are less than 1 cm, and corrola lobes are less than 2mm wide. It flowers from August until September. The flowers are hermaphrodite and zygomorphic.
Taxonomic tree
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Domain: Eukarya
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Kingdom: Plantae
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Phylum:
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Class: Magnoliopsida
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Order: Asterales
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Family: Campanulaceae
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Genus: Lobelia
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