Botanical name: 

Crescentia. Crescentia Cujete L.—The fruit of this West Indian and South American plant (fam. Bignoniaceae) has been found by Gustav Peckoldt to contain crescentinic acid and a blue coloring matter allied to indigo. (Ph. Rund., Aug., 1884.)

The Dispensatory of the United States of America, 1918, was edited by Joseph P. Remington, Horatio C. Wood and others.