Lotus purshianus Clements & Clements - Prairie Trefoil

Lotus purshianus plant

Family - Fabaceae

Stems - No info yet.

Lotus purshianus stem

Leaves - No info yet.

Lotus purshianus leaves

Inflorescence - No info yet.

Lotus purshianus inflorescence

Flowers - No info yet.

Lotus purshianus flower

Lotus purshianus calyx

Lotus purshianus fruitDeveloping fruit.

Flowering - May - September.

Habitat - Prairies, glades, limestone slopes, bluff-tops, roadsides, railroads.

Origin - Native to U.S.

Other info. - This species can be found in a handful of Missouri counties and is most common in the prairie areas of the southwestern portion of the state. The plant can be identified by its hairy, much-branched stems, trifoliolate leaves, and small pinkish flowers. The flowers are whitish when they first open and then fade to a dark pink by late afternoon. Each flower only lasts one day and then quickly sets a fruit.

Photographs taken at Homestead National Monument, Beatrice, NE., 8-14-06.


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