Richardia brasiliensis (weed)

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Richardia brasiliensis (click on image to enlarge it)
Source: Wikimedia Commons
Richardia brasiliensis (click on image to enlarge it)
Source: Wikimedia Commons

Richardia brasiliensis (weed) Gomes - (tropical Mexican clover)

This weed is native to South America, but is invasive in several other regions like Hawaii, North America, parts of Africa, or south-eastern Asia and Australia. It affects crops like maize, soybeans or coffee.

R. brasiliensis is an annual herb which mainly grows along the ground. It has a stem that is around 40 cm long and a thick white tap root. The leaves are oval to spindle-shaped and hairy, up to around 5 cm long. The flowers are small, white or pink and star-like and are arrange in flower heads.

Vernacular names
• English: tropical Mexican clover
Brazil pusley
white-eye
• Português: poaia-branca