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Stylophorum diphyllum (Michx.) Nutt.
CELANDINE POPPY
Life   Plantae   Dicotyledoneae   Papaveraceae   Stylophorum

Stylophorum diphyllum, Celandine Poppy
© Copyright Cody Parmer 2010 · 7
Stylophorum diphyllum, Celandine Poppy

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Stylophorum diphyllum, Celandine-poppy
© Copyright Bobby Hattaway 2011 · 5
Stylophorum diphyllum, Celandine-poppy
Stylophorum diphyllum, Celandine-poppy
© Copyright Bobby Hattaway 2011 · 5
Stylophorum diphyllum, Celandine-poppy

Stylophorum diphyllum, Yellow wood poppy
© Copyright Jeff Miller, 2009 · 5
Stylophorum diphyllum, Yellow wood poppy
Stylophorum diphyllum, inflorescence - frontal view of flower
© Copyright Steve Baskauf, 2002-2011 · 4
Stylophorum diphyllum, inflorescence - frontal view of flower

Stylophorum diphyllum, inflorescence - frontal view of flower
© Copyright Steve Baskauf, 2002-2011 · 4
Stylophorum diphyllum, inflorescence - frontal view of flower
Stylophorum diphyllum, inflorescence - lateral view of flower
© Copyright Steve Baskauf, 2002-2011 · 4
Stylophorum diphyllum, inflorescence - lateral view of flower

Stylophorum diphyllum, leaf - basal or on lower stem
© Copyright Steve Baskauf, 2002-2011 · 4
Stylophorum diphyllum, leaf - basal or on lower stem
Stylophorum diphyllum, stem - showing leaf bases
© Copyright Steve Baskauf, 2002-2011 · 4
Stylophorum diphyllum, stem - showing leaf bases

Stylophorum diphyllum, whole plant - in flower - general view
© Copyright Steve Baskauf, 2002-2011 · 4
Stylophorum diphyllum, whole plant - in flower - general view
Stylophorum diphyllum, fruit - lateral or general close-up
© Copyright Steve Baskauf, 2002-2011 · 4
Stylophorum diphyllum, fruit - lateral or general close-up

Stylophorum diphyllum, whole plant - in fruit
© Copyright Steve Baskauf, 2002-2011 · 4
Stylophorum diphyllum, whole plant - in fruit
Stylophorum diphyllum, fruit - as borne on the plant
© Copyright Steve Baskauf, 2002-2011 · 4
Stylophorum diphyllum, fruit - as borne on the plant

Stylophorum diphyllum, fruit - section or open
© Copyright Steve Baskauf, 2002-2011 · 4
Stylophorum diphyllum, fruit - section or open
Stylophorum diphyllum, fruit - section or open
© Copyright Steve Baskauf, 2002-2011 · 4
Stylophorum diphyllum, fruit - section or open
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Following modified from Delaware Wildflowers
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Delaware Wildflowers  •  Scientific names

Stylophorum diphyllum (Michx.) Nutt. Celandine Poppy
Papaveraceae — Poppy family
Native
Stylophorum diphyllum
Brackenville Road
April 2008

More information on this plant, from other sources.


Copyright David G. Smith

Delaware Wildflowers main page

Following modified from MissouriPlants.com
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Stylophorum diphyllum (Michx.) Nutt.

Stylophorum diphyllum plant

Family - Papaveraceae

Stems - From a woody caudex and thick roots, to +/-40cm tall, erect to ascending, herbaceous, fistulose, mostly green but purple at the base, glaucous, sparse to moderately pilose. Trichomes of the plant multicellular.

Stylophorum diphyllum stem Lower stem.

Leaves - Basal leaves long-petiolate, pinnatifid. Petioles to +/-16cm long, purplish near the base, green apically, with a shallow adaxial groove, sparse pilose. Blades pinnatifid. Divisions of the blade to +/-6cm long, +/-3cm broad, with rounded lobes, green and glabrous adaxially, heavily glaucous and sparse pilose abaxially. Rachis between the leaf divisions with pilose hairs.

Stylophorum diphyllum leaf Adaxial surface of leaf.

Stylophorum diphyllum leaf Abaxial leaf surface.

Inflorescence - Terminal umbel of 1-many flowers. Umbels subtended by a pair of opposite leaves. The leaves reduced. Pedicels of the umbels subtended by a pair of subulate bracts. Bracts to +1cm long, +/-3mm broad, pilose, acute. Pedicels to +6cm long, sparse pilose, glaucous, terete, erect.

Flowers - Petaloid sepals 4, spreading, distinct, yellow-orange, broadly obovate, to +/-3cm long and broad, glabrous. Petals absent. Stamens many, erect, from below the pistil. Filaments yellow, to 7mm long, glabrous. Anthers yellow, +2mm long, +1mm broad, compressed. Ovary superior, 6-10mm long in flower, 3-4mm in diameter, narrowly ovoid, densely antrorse strigose, yellow-green, unilocular, with many ovules. Placentation parietal. Style yellow-green, glabrous, 2-3mm long. Stigma with a truncate apex, 2-4-lobed. Fruits pendant, to +2cm long, dehiscing by 4 valves. Seeds with a distinctive keel of white pubescence and otherwise shiny and dark brown to black.

Stylophorum diphyllum flower Flower close-up.

Stylophorum diphyllum fruit Fruit.

Stylophorum diphyllum plant Fruiting plant.

Flowering - April - June.

Habitat - Rich soils of woodlands, base of bluffs, along streams, ravine bottoms.

Origin - Native to U.S.

Other info. - This striking plant can be found in the east-central portion of the state and in a few southwestern counties. It is simple to identify because of its paired leaves, brilliant yellow flowers, and bristly fruits. The species is also cultivated and grows well in many conditions.

Photographs taken in the Ozark Scenic Riverways, Shannon County, MO., 5-12-03, and in Columbia, MO., 4-15-04.


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Following modified from Plants Database, United States Department of Agriculture
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http://plants.usda.gov/java/profile?symbol=STDI3 ---> https://plants.usda.gov/java/profile?symbol=STDI3
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Following modified from Flora of North America
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Link to Flora of North America home
 
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FNA | Family List | FNA Vol. 3 | Papaveraceae | Stylophorum

1. Stylophorum diphyllum (Michaux) Nuttall, Gen. N. Amer. Pl. 2: 7. 1818.

Celandine-poppy, mock poppy, yellow-poppy, wood-poppy

Chelidonium diphyllum Michaux, Fl. Bor.-Amer. 1: 309. 1803; Stylophorum ohiense Sprengel

Plants to 5 dm, downy. Stems simple or branching. Leaves to 5 dm; petiole to 2 dm; blade pale abaxially, deeply 5-7-lobed; margins irregularly dentate or crenate. Flowers: pedicels 25-80 mm; sepals ca. 15 mm; petals yellow, obovate, 2-3 cm wide; style 3-6 mm. Capsules ellipsoid, 20-35 mm, pubescent. Seeds pale brown, reticulate-pitted. 2 n = 20 (cult.).

Flowering spring. Moist deciduous woods, thickets, and cedar barrens, often on slopes, occasionally in fields or on shaded dunes, in loam or sand; 100-600 m; Ont.; Ala., Ark., Ill., Ind., Ky., Mich., Mo., Ohio, Tenn., Va., W.Va.

Vegetatively, this native species closely resembles the more frequent and widespread Chelidonium majus , introduced from Eurasia. Various authors have reported Stylophorum diphyllum from western Pennsylvania, but W. E. Buker and S. A. Thompson (1986) could not confirm its past or current native presence there.

Following modified from CalPhotos
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http://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Stylophorum+diphyllum&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant ---> https://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Stylophorum+diphyllum&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant
&pull 20q v4.662 20091102: Error 501 Protocol scheme 'https' is not supported (LWP::Protocol::https not installed) https://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Stylophorum+diphyllum&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant

Updated: 2017-12-13 19:14:09 gmt
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