True shamrock: Yellow-flowered clover (Trifolium dubium ... Its leaves may be green, variegated or deep maroon. While true shamrock has a fibrous root system, many oxalis species produce tubers ...
By most accounts, the original shamrock is thought to be either yellow clover (Trifolium dubium) or white clover (Trifolium ... Its leaves may be green, variegated or deep maroon. While true shamrock ...
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