common yellow oxalis
Scientific NameOxalis stricta
Other Common Names:
Synonyms (former Scientific Names):
Oxalis stricta var. Oxalis stricta var. villicaulis
Oxalis stricta var. piletocarpa
Xanthoxalis dillenii var. piletocarpa
Oxalis stricta var. decumbens
This erect perennial can be found growing from mid spring to late autumn, flowering from May through September. Depending on the climate, it may also act as a summer annual.
The leaves are composed of three leaflets growing on long petioles. The leaflets are heart shaped and are fringed with hair.
Stems can range from green to pink in color, and can also be smooth or hairy.
Flower Seed Head
The flowers are yellow with 5 petals. They grow in clusters of 1-4 on long stalks from the leaf axils.
The seeds grow in 5-sided, hairy, cylindrical seedpod resembling okra. When mature, the seedpods explode, throwing the seeds up to 13 feet away.
This plant occurs in moist, fertile sites. Often found in lawns and roadsides.
upright and nonwoody,
prostrate and nonwoody
Thorns or Spines
Approximate Flower Diameter
Dominant Flower Color
longer than leaf
Stem Cross Section
round or oval