''Leavenworthia torulosa'', the necklace gladecress, is a species of plant in the
mustard family
Brassicaceae () or (the older) Cruciferae () is a medium-sized and economically important family of flowering plants commonly known as the mustards, the crucifers, or the cabbage family. Most are herbaceous plants, while some are shrubs. The le ...
. It is
native
Native may refer to:
People
* Jus soli, citizenship by right of birth
* Indigenous peoples, peoples with a set of specific rights based on their historical ties to a particular territory
** Native Americans (disambiguation)
In arts and entert ...
to the eastern United States where it is only found near limestone
cedar glades
A calcareous glade is a type of ecological community (ecology), community that is found in the central Eastern United States. Calcareous glade (geography), glades occur where bedrock such as limestone occurs near or at the surface, and have very ...
of Alabama, Georgia, Kentucky, and Tennessee.
Flora of the Southern and Mid-Atlantic States
/ref> It is considered rare in all states it is found except Tennessee, where it is common in the Nashville Basin
The Nashville Basin, also known as the Central Basin, is a term often used to describe the area surrounding Murfreesboro, Tennessee, in which Nashville is located. The Central Basin was caused by an uplifting which produced a dome known as the N ...
due to the abundance of available habitat.winter annual
An annual plant is a plant that completes its biological life cycle, life cycle, from germination to the production of seeds, within one growing season, and then dies. The length of growing seasons and period in which they take place vary accor ...
, which makes it well adapted for the extreme wet and dry seasons of the cedar glades. It produces a relatively large yellow and white flower in early spring and dies with the arrival of summer.
The constricted mature fruits are diagnostic of this species.
References
{{Taxonbar, from=Q17238805
Flora of the Eastern United States
torulosa