''Amorpha ouachitensis'' is an uncommon North American species of flowering plant in the
known by the common names Ouachita leadplant, Ouachita Mountain leadplant, Ouachita false indigo, and Ouachita indigobush. It is native to
Oklahoma and
Arkansas
Arkansas ( ) is a landlocked state in the South Central United States. It is bordered by Missouri to the north, Tennessee and Mississippi to the east, Louisiana to the south, and Texas and Oklahoma to the west. Its name is from the ...
in the United States.
[''Amorpha ouachitensis''.]
Center for Plant Conservation.[''Amorpha ouachitensis''.]
The Nature Conservancy.
''Amorpha ouachitensis'' is a
shrub growing up to about 2 meters (80 inches) tall. The compound leaves are each made up of several oval leaflets. The
inflorescence
An inflorescence is a group or cluster of flowers arranged on a stem that is composed of a main branch or a complicated arrangement of branches. Morphologically, it is the modified part of the shoot of seed plants where flowers are formed ...
is made up of many flowers with purple petals and yellow
anthers
The stamen (plural ''stamina'' or ''stamens'') is the pollen-producing reproductive organ of a flower. Collectively the stamens form the androecium., p. 10
Morphology and terminology
A stamen typically consists of a stalk called the filam ...
.
[Wilbur, Robert Lynch 1975. Rhodora 77(811): 394–397]
/ref>
''Amorpha ouachitensis'' is native to the Ouachita Mountains
The Ouachita Mountains (), simply referred to as the Ouachitas, are a mountain range in western Arkansas and southeastern Oklahoma. They are formed by a thick succession of highly deformed Paleozoic strata constituting the Ouachita Fold and Thr ...
. In Oklahoma it occurs in Le Flore, McCurtain, and Pushmataha Counties. In Arkansas the plant occurs in Conway, Garland
A garland is a decorative braid, knot or wreath of flowers, leaves, or other material. Garlands can be worn on the head or around the neck, hung on an inanimate object, or laid in a place of cultural or religious importance.
Etymology
From the ...
, Logan
Logan may refer to:
Places
* Mount Logan (disambiguation)
Australia
* Logan (Queensland electoral district), an electoral district in the Queensland Legislative Assembly
* Logan, Victoria, small locality near St. Arnaud
* Logan City, local g ...
, Montgomery, and Polk Counties.[
''Amorpha ouachitensis'' grows in clearings and on rocky slopes, often next to streams or on ]floodplain
A floodplain or flood plain or bottomlands is an area of land adjacent to a river which stretches from the banks of its channel to the base of the enclosing valley walls, and which experiences flooding during periods of high discharge.Goudi ...
s. It is associated with other plants that include '' Calamovilfa arcuata'', '' Streptanthus squamiformis'', and '' Gaura demareei''.[
The species is threatened by alteration of its habitat.][
]
References
External links
United States Department of Agriculture Plants Profile
{{Taxonbar, from=Q2843893
ouachitensis
Flora of Arkansas
Flora of Oklahoma
Plants described in 1975