Celandine Poppy (Stylophorum diphyllum)


Celandine poppy
Photographed May 12.

More pictures of this bright yellow woodland poppy, which was blooming in great profusion at the south end of the Trillium Trail in Fox Chapel.

Stylophorum diphyllum

We repeat our earlier article on this species:

Like a larger version of the Celandine, this bright yellow poppy blooms at the same time, but is easily distinguished by its larger flowers with overlapping petals and bright orange stamens. These plants were blooming at the beginning of May along the Trillium Trail in Fox Chapel.

Gray describes the genus and the species:

STYLOPHORUM Nutt. CELANDINE POPPY. Sepals 2, hairy. Petals 4. Style distinct, columnar; stigma 2-4-lobed. Pods bristly, 2-4-valved to the base. Seeds conspicuously crested. — Perennial low herbs, with stems naked below and oppositely 2-leaved, or sometimes 1-3-leaved, and umbellately 1-few-flowered at the summit; the flower-buds and the pods nodding. Leaves pinnately parted or divided. Juice yellow. (Fromstylos, style, and pherein, to bear, one of the distinctive characters.)

S. diphyllum (Michx.) Nutt. Leaves pale beneath, smoothish, deeply pinnatifid into бог 7 oblong sinuate-lobed divisions, and the root-leaves often with a pair of small distinct leaflets; peduncles equaling the petioles; flower deep yellow (5 cm. broad); stigmas 3 or 4; pod ovoid. —Damp woods, w. Pa. to Wisc., “Mo.,” and Tenn. May. —Foliage and flower resembling Celandine.


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