Potentilla biennis is a species of cinquefoil known by the common names biennial cinquefoil[1] and Greene's cinquefoil. It is native to western North America from northwestern Canada to the southwestern United States, where it grows in moist habitat. This is an annual or biennial herb producing an erect stem up to 70 centimeters tall from a taproot. It is hairy and glandular in texture. The hairy leaves are each divided into three toothed, oval leaflets each up to 3 centimeters long. The inflorescence is a cyme of several flowers. Each flower has five oval yellow petals 1 or 2 millimeters long and five triangular sepals which are slightly longer. The fruit is a minute whitish achene.

Potentilla biennis
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Rosales
Family: Rosaceae
Genus: Potentilla
Species:
P. biennis
Binomial name
Potentilla biennis

References

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  1. ^ USDA, NRCS (n.d.). "​Potentilla biennis​". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 13 October 2015.
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