Silky desert hackberry (Celtis pallida subsp. sericea)

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

Celtis pallida subsp. sericea: Botanical Features and Ecology

Characterized by specific morphological adaptations, Celtis pallida subsp. sericea is a rugged shrub found in dry woodland and desert scrub habitats. It plays a foundational role in its native ecosystem by supporting a diverse array of wildlife. The plant exhibits exceptional hardiness in the face of extreme heat and limited rainfall.

The presence of fine hairs on its foliage helps reduce water loss, a crucial adaptation for survival in its harsh native range. It frequently forms dense patches that act as microhabitats for various organisms. Botanical surveys often record it growing alongside other drought-resistant scrub vegetation.

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)
  • ∟ subspecies Celtis pallida subsp. sericea (Silky desert hackberry)

Living Pulse

Morphology

This subspecies presents as a densely branched, spiny woody shrub. The stems are armed with rigid thorns that deter many browsing herbivores. The overall architecture is intricate, creating a tangled, protective interior space.

Its most distinguishing feature is the presence of fine, silky hairs on the leaves and young twigs, a trait indicated by the epithet sericea. The leaves are small, alternate, and ovate, with somewhat serrated edges. Small flowers give rise to fleshy drupes that transition from green to vibrant orange or red upon maturity.

Flowering season

Spring

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

Applications

Primary applications are ecological, as it provides essential food and cover for desert-dwelling birds, insects, and mammals. It is sometimes utilized in xeriscaping or native plant landscaping for its low water requirements and wildlife benefits. The dense thickets also help prevent soil erosion in dry, windswept areas.

Interesting facts

  • The silky hairs on the leaves not only conserve moisture but can also reflect intense sunlight, protecting the plant from heat stress.
  • It serves as an important host plant for the caterpillars of several butterfly species native to the region.
  • The fruits remain on the branches for extended periods, providing a reliable food source during times of scarcity.

Geography of distribution

  • United States
  • Mexico

Sources

  • Plants of the World Online (POWO)
  • World Flora Online (WFO)
  • Tropicos

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 …