unicorn plant

American  

noun

1. a North American plant, Proboscidea (Martynia ) louisianica, having creamy-white to red flowers blotched with purple, and a woody capsule with a long, curved beak.

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Etymology

Origin of unicorn plant

First recorded in 1790–1800

Example Sentences

With the same intent of seeking new fields are the hooks of the burdock, the unicorn plant, and the bur-parsley which impress as carriers the sheep and cattle upon a thousand hills.

From Project Gutenberg

The unicorn plant, Martynia proboscidia, common in the southwestern portion of the United States, is sometimes seen in cultivation.

From Project Gutenberg