Tuesday, March 17, 2009

Florida Hairy Indigo

Hairy Indigo (Indigofera hirsuta)

This prolific naturalized plant is an annual legume that was introduced to Florida as a forage crop from tropical Africa and Asia.  It has since escaped cultivation and can be a troublesome weed in some settings.  Hairy indigo is particularly difficult to manage in peanut production because peanuts are also legumes.

Now found throughout Florida's Central Ridge, and in well drained Flatwood sites, the plant germinates in late spring and continues throughout the summer.  In general, it is the later-emerging (late May through June) individuals that are often the most problematic because many of the post emergence herbicides have already been applied.  Hairy indigo commonly grows between 2 and 5 feet in height, and the stem becomes increasingly woody with age.  As the name suggests, the leaves are covered with a very dense mat of fine hairs that increase in thickness with age.

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We've Read:
We could discover life on the nearest Earth-like planets within the next ten years.
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Don't tell The Donald or his minions, they don't believe in sea level rise or climate change, but we know the recent supermoon created difficult circumstances for an octopus in Miami, which found itself on the floor of a parking garage as a result of the enhanced tidal flooding along the South Florida Coast.  The "king tide,"  a cyclical effect made more pronounced by the supermoon and sea level rise, likely washed the octopus out of pipes underneath the garage.
©James Boone
Launch of the GOES-R
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