Easter Cassia

Posted on May 8th, 2010

Easter Cassia – an environmental weed, a typical garden escapee. Unfortunately we have it here on Blackhorse Creek. Guess where it came from? It escaped from a garden. The botanical name is Senna floribunda (synonym Cassia coluteoides). Common names are Easter cassia to a horticulturist or arsenic bush to an environmentalist.

Botanical species name floribunda means flowers abundantly and it’s certainly what it does. It produces masses of beautiful lovely flowers; consequently it became a favourite garden plant. Its origin is India.

A sprawling shrub up to 41/2 metres tall, it has bright yellow flowers in clusters at the end of each branch and narrow seed pods, up to 5 centimeters long. When ripe these seed pods burst open and fling their seed for a matter of metres around them so it doesn’t take very long for them to be a prolific bunch of shrubs.

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