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Stylophorum diphyllum (Celandine poppy)
Domke, Henry

Stylophorum diphyllum

Stylophorum diphyllum (Michx.) Nutt.

Celandine poppy, Yellow wood poppy

Papaveraceae (Poppy Family)

Synonym(s):

USDA Symbol: stdi3

USDA Native Status: L48 (N), CAN (N)

This 12-14 in. perennial with gray-green, lobed and toothed leaves is known for its large, poppy-like, yellow flowers. The stalks are leafy and the flowers are produced in clusters. A plant with yellow sap and yellow flowers, solitary or in small clusters, atop a stem bearing a pair of deeply lobed leaves; other leaves basal.

This is a fine species to grow in Eastern wildflower gardens, far less aggressive than the introduced European species. The species name, Greek for two-leaved, refers to the pair of opposite leaves below the flower. Occurs in nature from western Pennsylvania north to Wisconsin and Michigan, south to Arkansas, Tennessee, and southwestern Virginia, with isolated populations in northern Alabama and southern Ontario. Because its range is so limited in that province, it is listed as a Species Endangered by Canadas SARA (Species at Risk Act) and by COSEWIC (Committee on the Status of Endangered Wildlife in Canada).

 

Plant Characteristics

Duration: Perennial
Habit: Herb
Leaf Arrangement: Alternate
Leaf Complexity: Simple
Size Notes: Normally 1 to 2 feet
Flower: Flowers 1 to 2 inches across
Fruit: 1 inch
Size Class: 1-3 ft.

Bloom Information

Bloom Color: Orange , Yellow
Bloom Time: Mar , Apr
Bloom Notes: Usually yellow but can be more of an orange.

Distribution

USA: AL , AR , DC , DE , GA , IL , IN , KY , MD , MI , MO , OH , PA , TN , VA , WV
Canada: ON
Native Distribution: W. PA (possibly) n. to WI and MI, s. to s.w. VA, TN, & AR, with isolated populations in southern Ontario and northern AL. Somewhat uncommon, with spotty distribution
Native Habitat: Rich, deciduous woods; calcareous bluffs

Growing Conditions

Water Use: Medium
Light Requirement: Part Shade , Shade
Soil Moisture: Moist
Soil pH: Acidic (pH<6.8)
Drought Tolerance: Low
Soil Description: Rich, acidic, well-drained soils. Tolerates lime.
Conditions Comments: Requires moisture throughout summer, leaves will wither and turn yellow during drought.

Benefit

Use Ornamental: Lends brilliant yellow to orange color to shady eastern woods and gardens.
Use Wildlife: Chipmunks feed on seeds.
Conspicuous Flowers: yes

Propagation

Propagation Material: Root Division , Seeds
Description: Propagate by seed or division. Divide large rhizomes with many eyes, leaving two eyes in each division. Growth may be quite slow. Seeds must be sown as soon as they ripen.
Seed Collection: The dry fruit is rough, hairy and spindle-shaped. Seed must not be allowed to dry out.
Commercially Avail: yes
Maintenance: May want to protect seeds from chipmunks. Readily self sows.

Find Seed or Plants

View propagation protocol from Native Plants Network.

From the National Suppliers Directory

According to the inventory provided by Associate Suppliers, this plant is available at the following locations:

Edge of the Woods Native Plant Nursery - Orefield, PA
Amandas Garden - Springwater, NY
Sunshine Farm & Gardens - Renick, WV
Enchanter's Garden - Hinton, WV
American Native Nursery - Quakertown, PA
Toadshade Wildflower Farm - Frenchtown, NJ

From the National Organizations Directory

According to the species list provided by Affiliate Organizations, this plant is either on display or available from the following:

Delaware Nature Society - Hockessin, DE
Mt. Cuba Center - Hockessin, DE
* Available Online from Wildflower Center Store

Bibliography

Bibref 928 - 100 easy-to-grow native plants for Canadian gardens (2005) Johnson, L.; A. Leyerle
Bibref 1620 - Gardening with Native Plants of the South (Reprint Edition) (2009) Wasowski, S. with A. Wasowski
* The Midwestern Native Garden: Native Alternatives to Nonnative Flowers and Plants An Illustrated Guide (2011) Adelman, Charlotte and Schwartz, Bernard L.

Search More Titles in Bibliography

Additional resources

USDA: Find Stylophorum diphyllum in USDA Plants
FNA: Find Stylophorum diphyllum in the Flora of North America (if available)
Google: Search Google for Stylophorum diphyllum

Metadata

Record Last Modified: 2013-09-09
Research By: TWC Staff

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