Sphenoclea zeylanica
Quick Summary
Sphenoclea zeylanica is an herb that can grow up to 1.5 meters (4 feet) tall and features spikes of whitish flowers. It belongs to the plant family Sphenocleaceae and is the sole genus within it. This species is widely distributed in moist environments across warm temperate and tropical regions, with its native origins in the Old World tropics. It is sometimes grouped with the Campanulaceae family, but it differs in the arrangement of its petal lobes in the bud and the way its capsule opens. The flowers are clustered tightly, and the leaves are narrow and oval-shaped.1
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