Macleaya cordata

(Willdenow) R. Brown in D. Denham and H. Clapperton

in D. Denham and H. Clapperton, Narr. Travels Africa, app., 218. 1826

Selected by author to be illustratedIntroduced
Basionyms: Bocconia cordata Willdenow Sp. Pl. 2(2): 841. 1799
Treatment appears in FNA Volume 3.
Click plate for higher resolution version.
Illustrator: John Myers
Plants to 25 dm. Stems simple or branching distally. Leaves 10-30 cm long and wide; petiole 2-15(-20) cm; blade broadly ovate-cordate, 7-9-lobed; margins irregularly and coarsely toothed; abaxial surface usually whitish and densely short-pubescent, adaxial glabrous. Inflorescences to 30 cm or more. Flowers: pedicels 4-10 mm; sepals white to cream colored, spatulate, 5-10 mm; style to ca. 1 mm. Capsules oblanceoloid, strongly compressed, 15-20 mm, glabrous. Seeds dark brown, reticulate. 2n = 20.

Phenology: Flowering summer.
Habitat: Deciduous woods, thickets, old fields, ditches, roadsides, pond margins, and along watercourses
Elevation: 0-800 m

Distribution

V3 1006-distribution-map.gif

Ont., Que., Ala., Conn., Ill., Ind., Maine, Mass., Mich., N.J., N.Y., N.C., Ohio, Pa., Va., W.Va., e Asia.

Discussion

A garden perennial esteemed for its vegetative features and large, plumelike inflorescence, Macleaya cordata occasionally escapes from cultivation, persisting and reproducing fairly successfully. It might be found almost anywhere in temperate North America east of the Mississippi River at elevations below 1000 m.

References

None.

Lower Taxa

No lower taxa listed.

Facts about "Macleaya cordata"
Authority(Willdenow) R. Brown in D. Denham and H. Clapperton +
BasionymsBocconia cordata +
DistributionOnt. +, Que. +, Ala. +, Conn. +, Ill. +, Ind. +, Maine +, Mass. +, Mich. +, N.J. +, N.Y. +, N.C. +, Ohio +, Pa. +, Va. +, W.Va. + and e Asia. +
Elevation0-800 m +
HabitatDeciduous woods, thickets, old fields, ditches, roadsides, pond margins, and along watercourses +
IllustratorJohn Myers +
Introducedtrue +
PhenologyFlowering summer. +
Publication titlein D. Denham and H. Clapperton, Narr. Travels Africa, app., +
Publication year1826 +
ReferenceNone +
Source xmlhttps://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse grained fna xml/V3/V3 1006.xml +
Special statusSelected by author to be illustrated + and Introduced +
Taxon familyPapaveraceae +
Taxon nameMacleaya cordata +
Taxon parentMacleaya +
Taxon rankspecies +
VolumeVolume 3 +