Blue Woodruff (Asperula arvensis)
Description
Blue woodruff is introduced in New England, where it is known from far-flung populations in Connecticut and Massachusetts. It is the only member of its genus in our region, and is a member of the coffee family (Rubiaceae). With its whorls of narrow leaves along the stems, it superficially resembles bedstraw species in the genus Galium, but its bright blue flowers give it away (bedstraw flowers are white).
Taxonomic tree
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Domain: Eukarya
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Kingdom: Plantae
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Phylum: Magnoliophyta
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Class: Magnoliopsida
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Order: Gentianales
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Family: Rubiaceae
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Genus: Asperula
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