Navasota False Foxglove / Center For Plant Conservation
Search / Plant Profile / Agalinis navasotensis
Plant Profile

Navasota False Foxglove (Agalinis navasotensis)

Agalinis navasotensis in bloom in situ in Texas.

Photo Credit: Eric Keith
  • Global Rank: G1 - Critically Imperiled
  • Legal Status: N/A
  • Family: Orobanchaceae
  • State: TX
  • Nature Serve ID: 136667
  • Lifeform: Forb/herb
  • Date Inducted in National Collection:

An annual herb from a few fibrous roots, 2.8-9.0 dm tall. Leaves are thread-like, usually 1.2-3 cm long. Flowers are lavender to rose-purple, bilaterally symetric, pikose externally, usually 1.6-2.5 cm long including flower tube and the five spreading to reflexed lobes. Collected in bloom in the fall (September to October).

Where is Navasota False Foxglove (Agalinis navasotensis) located in the wild?


In full sun on the shallow soil of the easternmost outcrop of the Oakville Formation (a Miocene sandstone with large amounts of shell fragments). Canne-Hilliker and Dubrule (1993) describe the outcrop as a distinct island surrounded by a sea of Post Oak Savannah, Blackland Prairie, and farmland of a river valley. The Tyler County site is on the Catahoula barrens in pine savanna.


Endemic to East Texas in Grimes and Tyler Counties.

States & Provinces:

Navasota False Foxglove can be found in Texas

Which CPC Partners conserve Navasota False Foxglove (Agalinis navasotensis)?

CPC's Plant Sponsorship Program provides long term stewardship of rare plants in our National Collection. We are so grateful for all our donors who have made the Plant Sponsorship Program so successful. We are in the process of acknowledging all our wonderful plant sponsorship donors on our website. This is a work in progress and will be updated regularly.

Conservation Actions

Nature Serve Biotics
  • 05/02/2017

Known from one population of fewer than 500 individuals located on a sandstone outcrop in Grimes County, eastern Texas. Similar outcrops may harbor additional populations. The single known population is not protected, but there are no imminent threats known.

Be the first to post an update!

Taxon Agalinis navasotensis
Authority Dubrule & Canne-Hilliker
Family Orobanchaceae
CPC Number 16066
ITIS 508045
Duration Annual
Common Names Navasota false foxglove
Associated Scientific Names Agalinis navasotensis
Distribution Endemic to East Texas in Grimes and Tyler Counties.
State Rank
State State Rank
Texas S1
Ecological Relationships


Donate to CPC to Save this Species

CPC secures rare plants for future generations by coordinating on-the-ground conservation and training the next generation of plant conservation professionals. Donate today to help save rare plants from extinction.

Donate Today