Colocasia Black Runner This is a very unique Colocasia with purple stems and large dark, matte leaves with wavy edges. This plant produces runners from the base that make new plants. Height 36 – 60 inches. Category: Colocasia Tag: New Related products Canna Hawaiian Vibes Colocasia gigantea ‘Thailand Giant’ Colocasia esculenta Royal Hawaiian® ‘White Lava’ Colocasia esculenta Royal Hawaiian® ‘Black Coral’