Girish Mahajan (Editor)

Amorpha

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Kingdom  Plantae
Subfamily  Faboideae
Scientific name  Amorpha
Rank  Genus
Family  Fabaceae
Tribe  Amorpheae
Higher classification  Faboideae
Order  Fabales
Amorpha Amorpha fruticosa false indigobush Go Botany
Lower classifications  Amorpha fruticosa, Amorpha californica, Amorpha canescens, Amorpha nana

Amorpha is a genus of plants in the pea family, Fabaceae. All the species are native to North America, from southern Canada, most of the United States (US), and northern Mexico. They are commonly known as false indigo. The name Amorpha means "deformed" or "without form" in Greek and was given because flowers of this genus only have one petal, unlike the usual "pea-shaped" flowers of the Faboideae subfamily. Amorpha is missing the wing and keel petals.

Contents

Amorpha Amorpha fruticosa false indigobush Go Botany

The desert false indigo or indigo bush (Amorpha fruticosa), is a shrub that grows from 3 m to 5 m tall. The species is considered a rare species in the US state of West Virginia and in the Canadian provinces of Manitoba and Ontario, but is considered an invasive plant in some areas of the northeastern and northwestern United States and in southeastern Canada, beyond its native range, and has also been introduced into Europe.

Amorpha Tall Indigobush Amorpha fruticosa

The lead plant (Amorpha canescens), a bushy shrub, is an important North American prairie legume. Lead plant is often associated with little bluestem (Schizachyrium scoparium), a common prairie grass. Native Americans used the dried leaves of lead plant for pipe smoking and tea.

Amorpha Tall Indigobush Amorpha fruticosa

Amorpha species are used as food plants by the larvae of some Lepidoptera species including Schinia lucens, which feeds exclusively on the genus.

Amorpha httpsuploadwikimediaorgwikipediacommonsthu

Amorphol, a rotenoid bioside, can be isolated from plants of the genus Amorpha.

Dwarf leadplant amorpha nana


Species

Amorpha comprises the following species:

Amorpha Amorpha fruticosa Indigo bush NPIN
  • Amorpha apiculata Wiggins
  • Amorpha californica Torr. & A. Gray—California false indigo, mock locust
  • var. californica Torr. & A. Gray
  • var. napensis Jeps.
  • Amorpha canescens Pursh—leadplant
  • Amorpha confusa (Wilbur) S.C.K. Straub, Sorrie & Weakley
  • Amorpha crenulata Rydb. (endangered)
  • Amorpha fruticosa L.—desert false indigo
  • Amorpha georgiana Wilbur—Georgia false indigo
  • Amorpha glabra Poir.—mountain false indigo
  • Amorpha herbacea Walter—clusterspike false indigo
  • var. herbacea Walter
  • var. floridana (Rydb.) Wilbur
  • Amorpha laevigata Torr. & A. Gray—smooth false indigo
  • Amorpha nana C. Fraser—dwarf false indigo
  • Amorpha nitens F.E. Boynton—shining false indigo
  • Amorpha ouachitensis Wilbur—Ouachita false indigo
  • Amorpha paniculata Torr. & A. Gray—panicled false indigo
  • Amorpha roemeriana Scheele—Roemer's false indigo
  • Amorpha schwerinii C.K. Schneid.—Schwerin's false indigo
  • Species names with uncertain taxonomic status

    The status of the following species is unresolved:

    Hybrids

    The following hybrid has been described:

  • Amorpha ×notha E.J. Palmer
  • References

    Amorpha Wikipedia


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