Canyon Senna

Senna wislizeni

Fabaceae (Pea Family)

Shrubby Senna, Dwarf Senna, Wislizenus's Senna, Wislizenus's Wild Sensitive-plant, Carrozo, Pinacate, Palo Prieto, Pinacatillo, Hojasén, Ejotillo

Plant Ecoregion Distribution Map

Native Habitat: Grassland

Chihuahuan Deserts

Maintenance

Dependable in poor soil and fairly drought-tolerant. Plant with Red Yucca and other summer blooming species.

Comments

Brilliant yellow flowers in 6 in. clusters at the end of the branches. Blooms all summer. A long, flat, dark-brown pod succeeds the flowers. Rigid, leafy branches are lined with compound foliage arranged spirally on spurs. Warning: toxic to humans. Larval Host: Cloudless Giant Sulphur.

Growth Form

Shrub

Height

4 to

6 ft

Spread

3 to

4 ft

Soil Type(s)

Sand, Loam, Clay, Acid, Alkaline, Well Drained

Light Requirement

Sun

Water Requirement

Low, Medium

Leaf Retention

Deciduous

Lifespan

Perennial

Bloom Color

Orange, Yellow

Bloom Season

Spring, Summer, Fall

Seasonal Interest

Larval Host, Flowers

Wildlife Benefit

Butterflies, Bees

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Previous Scientific Name(s): Synonym/s: Cassia wislizeni

References

1) Wasowski, Sally and Wasowski, Andy, Native Texas Plants, Landscaping Region by Region, 1988, 1991, pg 236. 2) Griffith, Bryce, Omernick & Rodgers (2007). Ecoregions of Texas. 3) Miller, George O., Landscaping with Native Plants of Texas 2nd Ed., 2013, pg 53. 4) http://bonap.net/TDC/Image/Map?taxonType=Species&taxonId=11681&locationType=County&mapType=Normal. 5) https://www.wildflower.org/plants/result.php?id_plant=SEWI3. 6) https://portal.torcherbaria.org/portal/taxa/index.php?taxon=Senna+wislizeni&formsubmit=Search+Terms. 7) https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=505184#null

Native Plant Society of Texas