Appearance
''Sida cordifolia'' is an erect perennial that reaches 50 to 200 cm tall, with the entire plant covered with soft white felt-like hair that is responsible for one of its common names, "flannel weed". The stems are yellow-green, hairy, long, and slender. The yellow-green leaves are oblong-ovate, covered with hairs, and 3.5 to 7.5 cm long by 2.5 to 6 cm wide. The flowers are dark yellow, sometimes with a darker orange center, with a hairy 5-lobed calyx and 5-lobed corolla.As a weed, it invades cultivated and overgrazed fields, competing with more desired species and contaminating hay.
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