Appearance
''E. lutea'' blooms in the summer and grows to about 30 centimetres in height. The flowers are yellow with irregular reg blotches and the leaves are hairy, paired, and round. Because of its yellow petals, ''E. luteus'' is in the "yellow monkeyflower" group, unlike most members of the genus, which have red or pink petals.Some sources list ''Erythranthe lutea'' separately due to chromosomal variations. Barker, etal proposes a new taxonomy for Phrymaceae, leaving only 7 species in ''Mimulus'', none in ''Mimulus lutea'', and placing 111 in ''Erythranthe''. Barker also offers 4 different options for how to implement this new taxonomy.
The ''luteus'' group consists of ''Erythranthe luteus'' var. ''variegatus'', ''E. naiandinus'' and ''E. cupreus''.
Distribution
''Erythranthe lutea'' prefers to grow in wet habitats such as marshes and riverbanks. It grows in North and South America and has been naturalized in Britain, having been first cultivated there circa 1826.Habitat
''Erythranthe lutea'' prefers to grow in wet habitats such as marshes and riverbanks. It grows in North and South America and has been naturalized in Britain, having been first cultivated there circa 1826.References:
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