Ingestion leads to nausea, vomiting, dizziness, spasms, and potential paralysis. A typical yellow-flowered buttercup commonly found in pastures, gardens, cultivated land, and waste places Perennial plant that spreads by hairy stolons (. Warning: creeping buttercup and many other members of the Ranunculaceae family contain the chemical protoanemonin which is a severe skin irritant which induces rashes, blistering, and swelling in contacted areas. Meadow buttercup occupies a similar environmental niche as the creeping buttercup and the two species often overlap in their habitat and range. Meadow buttercup ( Ranunculus acris) is a another introduced, hairy, large-flowered perennial which can be distinguished by its taller stems and lack of stolons (runners). This plant was introduced to BC from Eurasia, and is now found all across North America save for the most extreme environments.
It is very common at low elevations in BC where humans have settled, and is often regarded as an invasive noxious weed. Ranunculus repens inhabits moist recently disturbed sites such as ditches, clearings, fields, pastures, and gardens. Flowers usually have five petals (although have been observed with six to ten) and are 10-35 mm wide. Distinctive shiny butter-yellow flowers crown the stems.
The stems support pale-spotted dark-green leaves which are toothed, lobed, and generally triangular in shape. Several flowering stems spring up from the central rooted nodes and creep outwards. Stalks grow from rooting stolons (runners) which can be up to 100 cm long. Creeping buttercup is a hairy perennial which grows to about 15 cm tall from its fibrous roots to the tips of its flowering stalks.
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