There are about 10 to 50 seeds per pod, with a potential for more than 5,000 seeds per plant. Seeds are oval, flat, rough, reddish brown sometimes with gray spots, and about 1/25 inch long. Seedpods are erect, hairy, cylindrical capsules with a pointed tip about 1/3 to 1 inch long and resemble miniature okra. The flowers have 5 small, yellow petals about 1/8- to 1/3-inch long that are borne singly in small clusters of 2 to 5 flowers on the ends of short, slender stalks. If creeping woodsorrel plants are stressed due to drought or intense heat, the leaves sometimes turn reddish and wilt.Ĭreeping woodsorrel can bloom almost any time during the year, although spring is a time of heavy flowering and seed formation. Leaves are green to purple and often close and fold downward in intense light and at night. The leaves are comprised of 3 heart-shaped leaflets attached to the tip of a long stem. It grows in both full sun and shade if the area receives adequate moisture. IDENTIFICATION AND LIFE CYCLE Creeping WoodsorrelĪ perennial plant that lives for several seasons, creeping woodsorrel grows in a prostrate manner (low and creeping) and forms roots and stems where nodes contact the soil. If livestock ingest large quantities, they can suffer from oxalate poisoning. The genus name Oxalis is derived from the Greek word meaning “sour,” referring to the sour-tasting oxalic acid present throughout the plants. In recent years it has been encroaching in natural areas and hillside plantings along California’s coast. Bermuda buttercup, also called Buttercup oxalis, has been cultivated as an ornamental, and although you’ll occasionally find it in lawns, more often it is a problem in flowerbeds, groundcovers, and shrub areas in home landscapes or in commercial, field-grown flowers. pes-caprae, is a South African native that grows in California’s coastal gardens and fields as well as inland landscaped areas. In California it usually grows below the 2,500-foot elevation level and frequently appears in lawns, flower beds, gardens, nurseries, and greenhouses.Ī related species, Bermuda buttercup, O. Creeping woodsorrel, Oxalis corniculata, is a weed species that occurs in many parts of the world.
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