Orange Juice In These Leaves

Greater celandine blooming in Schenley Park, 15 May 2020 (photo by Kate St. John)

Greater celandine (Chelidonium majus) is a Eurasian perennial in the poppy family that’s blooming now in Schenley Park. Though it resembles our native celandine-poppy it’s not as particular about habitat. It can be invasive.

Greater celandine in Schenley Park (photo by Kate St. John)

To be sure it’s in the poppy family, break a leaf. Greater celandine has orange latex sap.

Orange sap of greater celandine (photo by Kate St. John)

Don’t put the evidence in your pocket. The “orange juice” can leave a stain.

Some sources say that greater celandine’s orange sap glows in the dark.

(photos by Kate St. John)

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