Dalea tentaculoides is a rare species of flowering plant in the legume family

Fabaceae

The Fabaceae or Leguminosae, commonly known as the legume, pea, or bean family, is a large and economically important family of flowering plants. The group is the third largest land plant family, behind only the Orchidaceae and Asteraceae, with 730 genera and over 19,400 species...

 known by the common name Gentry's indigobush. It is native to Arizona

Arizona

Arizona ; is a state located in the southwestern region of the United States. It is also part of the western United States and the mountain west. The capital and largest city is Phoenix...

 in the United States, where it is limited to Pima

Pima County, Arizona

-2010:Whereas according to the 2010 U.S. Census Bureau:*74.3% White*3.5% Black*3.3% Native American*2.6% Asian*0.2% Native Hawaiian or Pacific Islander*3.7% Two or more races*12.4% Other races*34.6% Hispanic or Latino -2000:...

 and Santa Cruz Counties

Santa Cruz County, Arizona

-2010:Whereas according to the 2010 U.S. Census Bureau:*73.5% White*0.4% Black*0.7% Native American*0.5% Asian*0.0% Native Hawaiian or Pacific Islander*2.0% Two or more races*22.9% Other races*82.8% Hispanic or Latino -2000:...

. It may occur in adjacent Mexico.

This shrub

Shrub

A shrub or bush is distinguished from a tree by its multiple stems and shorter height, usually under 5–6 m tall. A large number of plants may become either shrubs or trees, depending on the growing conditions they experience...

-like perennial herb may reach two meters in height but it usually remains smaller. It has compound leaves with several pairs of leaflets. The flowers are rose-purple. The inflorescence

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. Strictly, it is the part of the shoot of seed plants where flowers are formed and which is accordingly modified...

 is coated in tentacle

Tentacle

A tentacle or bothrium is one of usually two or more elongated flexible organs present in animals, especially invertebrates. The term may also refer to the hairs of the leaves of some insectivorous plants. Usually, tentacles are used for feeding, feeling and grasping. Anatomically, they work like...

-like glands. Flowering occurs in spring and again in fall.

This plant grows in canyons in oak and juniper woodland. It grows on floodplains and terraces and is subject to the effects of seasonal flooding.

There are only a few occurrences of this plant, some located in the Tohono O'odham Reservation

Tohono O'odham

The Tohono O'odham are a group of Native American people who reside primarily in the Sonoran Desert of the southeastern Arizona and northwest Mexico...

 and in the Coronado National Forest

Coronado National Forest

The Coronado National Forest includes an area of about 1.78 million acres spread throughout mountain ranges in southeastern Arizona and southwestern New Mexico....

.