Chelidonium diphyllum Michaux. Common name: Celandine-poppy, Woods-poppy. Phenology: Mar-Jun. Habitat: Moist forests over calcareous rocks (such as limestone). Distribution: S. QC, w. PA, s. MI, and WI, south to sw. VA, e. TN, nw. GA, sc. TN, and AR; introduced elsewhere from horticultural use.
Origin/Endemic status: Native
Synonymy ⓘ: = Peng et al (2024); = n/a — RAB, Tat; = Stylophorum diphyllum (Michx.) Nutt. — Ar, C, Can, F, FNA3, G, Il, K4, Mi, Mo3, NS, Pa, POWO, S, S13, Tn, Va, W, WV. Basionym: Chelidonium diphyllum Michx. 1803
Links to other floras: = Stylophorum diphyllum - FNA3
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Heliophily ⓘ: 2
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© Gary P. Fleming | Original Image ⭷
© Joey Shaw source | Original Image ⭷
© Alan Cressler: Stylophorum diphyllum, Calloway Sinks, Sharp-Bingham Mountain Preserve, The Nature Conservancy, Jackson County, Alabama 2 by Alan Cressler source | Original Image ⭷
© Bruce A. Sorrie | Original Image ⭷
© Keith Bradley | Original Image ⭷
© Gary P. Fleming | Original Image ⭷Feedback
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Horticultural Information
Intro: Erect, rhizomatous perennial of moist forests over calcareous rocks, such as limestone.
Stems: Stems hairy and often with white-waxy coating, exuding a yellow-orange sap when broken.
Leaves: Leaves basal (an additional pair on stem just below inflorescence, petiolate, broadly oblong to oval, to 6 in. long, pinnately divided almost to the mid-vein into 5-7 bluntly lobed/toothed segments, smooth and dark green above and silvery hairy beneath, exuding a yellow-orange sap.
Inforescence:
Flowers: Flowers single or 2-4 in an umbel terminating the stem; yellow; 1¼-2¼ in. wide; consisting of 4 overlapping round petals, 2 light green very hairy sepals (these drop early), numerous golden yellow stamens and an ovary with a single stout style and knobby stigma.
Fruits: Fruit a densely hairy, nodding, oval capsule.
Comments:
Height: 12-18 in.
plant sale text:
bloom table text:
description: Erect, rhizomatous perennial of moist forests over calcareous rocks, such as limestone.
stems: Stems hairy and often with white-waxy coating, exuding a yellow-orange sap when broken.
leaves: Leaves basal (an additional pair on stem just below inflorescence, petiolate, broadly oblong to oval, to 6 in. long, pinnately divided almost to the mid-vein into 5-7 bluntly lobed/toothed segments, smooth and dark green above and silvery hairy beneath, exuding a yellow-orange sap.
inflorescence:
flowers: Flowers single or 2-4 in an umbel terminating the stem; yellow; 1¼-2¼ in. wide; consisting of 4 overlapping round petals, 2 light green very hairy sepals (these drop early), numerous golden yellow stamens and an ovary with a single stout style and knobby stigma.
fruits: Fruit a densely hairy, nodding, oval capsule.
comments:
cultural notes:
germination code:
native range: eastern United States
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