Ranunculus pusillus, commonly called low spearwort,[1] is a species of flowering plant in the buttercup family (Ranunculaceae). It is native to much of the eastern United States from New York to Florida and west to Texas; it is also known in California.[2] It grows in wet habitat, where it is semi-aquatic growing partially submerged or terrestrially on muddy substrates.
| Ranunculus pusillus | |
|---|---|
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Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Order: | Ranunculales |
| Family: | Ranunculaceae |
| Genus: | Ranunculus |
| Species: | R. pusillus
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| Binomial name | |
| Ranunculus pusillus | |
| Synonyms | |
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Ranunculus lindheimeri | |
It is a perennial herb producing a slender decumbent to erect stem up to half a meter in length. It is generally hairless in texture. Leaves have blades which are lance-shaped to oval and borne on short petioles. The flower has one to three tiny yellow petals no more than 2 millimeters (0.079 in) long around a central receptacle with many stamens and pistils. Flowers are produced in the spring.[3] The fruit is an achene borne in a spherical cluster of 18 or more.
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Ranunculus pusillus, showing emergent growth habit
References
edit- ^ NRCS. "Ranunculus pusillus". PLANTS Database. United States Department of Agriculture (USDA). Retrieved 18 October 2015.
- ^ "Ranunculus pusillus". County-level distribution map from the North American Plant Atlas (NAPA). Biota of North America Program (BONAP). 2014. Retrieved 15 August 2018.
- ^ Ranunculus pusillus Flora of North America
External links
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