Spiny hackberry two-toned (Celtis pallida var. discolor)

Desert hackberry Spiny hackberry Granjeno
Silhouette: T. Michael Keesey / License

Celtis pallida var. discolor: Morphology and Native Habitat

Thriving in the challenging conditions of arid and semi-arid environments, Celtis pallida var. discolor forms dense, impenetrable thickets. It is a critical component of scrubland ecosystems, providing vital resources for desert fauna. The plant is well-adapted to prolonged dry spells and intense sunlight.

Its formidable spines and dense branching structure offer excellent refuge for small birds and mammals seeking shelter from predators. During the fruiting season, it becomes a focal point for foraging wildlife. Researchers value it for its remarkable drought tolerance and ecological resilience.

Taxonomy

  • ∟ царство Plantae
  • ∟ division Tracheophytes (Vascular Plants)
  • ∟ subdivision Spermatophytes (Seed plants)
  • ∟ Angiosperms
  • ∟ mesangiosperms (Core angiosperms)
  • ∟ eudicots
  • ∟ Superrosids
  • ∟ rosids
  • ∟ order Rosales
  • ∟ family Cannabaceae (Hemp family)
  • ∟ genus Celtis (Hackberry)
  • ∟ species Celtis ehrenbergiana (Spiny hackberry)
  • ∟ variety Celtis pallida var. discolor (Spiny hackberry two-toned)

Living Pulse

Morphology

This variety grows as a heavily branched, multi-stemmed shrub or small tree, armed with stout, sharp stipular spines. The bark is generally smooth and grayish, becoming slightly textured on older stems. Its growth habit is typically sprawling and rounded.

The leaves are relatively small, simple, and alternate, often with a slightly rough texture and toothed margins. The term discolor suggests a noticeable difference in color or shade between the upper and lower leaf surfaces. It produces inconspicuous flowers that develop into small, fleshy, orange-to-red drupes.

Flowering season

Spring to early Summer

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Name
Dec

Applications

Ecologically, it is invaluable for habitat restoration and soil stabilization in degraded arid landscapes. The dense thorny growth makes it an effective natural barrier or hedgerow. Additionally, the sweet, edible fruits are consumed by a wide variety of native bird species and small mammals.

Interesting facts

  • The dense canopy and thorny branches make it a preferred nesting site for many desert bird species.
  • Its deep root system allows it to access water sources unavailable to more shallow-rooted plants.
  • The fruits, while small, are known to be quite sweet and have historically been foraged by indigenous peoples.

Geography of distribution

  • United States
  • Mexico

Sources

  • Plants of the World Online (POWO)
  • World Flora Online (WFO)
  • Global Biodiversity Information Facility (GBIF)

Technical Information

External Databases: GBIF, POWO, Tropicos

See also

True Araucarias

True Araucarias

Araucaria sect. Araucaria

Araucaria sect. Araucaria is a botanical section of evergreen conifers native to South America. It …