Thick-leaved hackberry (Celtis crassifolia)

Rough-leaved hackberry
Silhouette: T. Michael Keesey / License

Celtis crassifolia: Morphology, Distribution, and Ecological Significance

Renowned for its distinctly textured foliage and structural resilience, Celtis crassifolia populates varied natural landscapes with its commanding presence. It demonstrates a remarkable capacity to adapt to fluctuating environmental conditions, establishing deep root systems in both floodplain forests and drier upland soils. The robust architecture of its branches offers crucial shelter for diverse wildlife, integrating seamlessly into the broader ecological network.

Taxonomy

  • царство Plantae
  • division Tracheophytes (Vascular Plants)
  • subdivision Spermatophytes (Seed plants)
  • Angiosperms
  • mesangiosperms
  • eudicots
  • Superrosids
  • rosids
  • order Rosales
  • family Cannabaceae (Hemp family)
  • genus Celtis (Hackberry)
  • species Celtis crassifolia (Thick-leaved hackberry)

Living Pulse

Morphology

This expansive deciduous tree develops a broad, irregular crown supported by a sturdy trunk. Its bark is characteristically grayish, forming distinct, corky ridges and warty protuberances as the specimen matures.

The alternate leaves are ovate to broadly ovate, featuring prominently serrate margins and an asymmetrical base. A defining morphological trait is the pronounced roughness of the upper leaf surface, which feels akin to coarse sandpaper. Small, inconspicuous, greenish flowers emerge in the spring, eventually yielding to small, spherical, fleshy drupes that transition to a dark reddish-purple hue upon ripening.

Flowering season

Spring

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

Applications

The flexible and moderately heavy wood finds occasional use in the fabrication of crates, boxes, and affordable furniture components. In landscape architecture, its inherent drought tolerance makes it a reliable shade tree for urban and suburban environments.

Ecologically, the sweet, fleshy drupes serve as an essential autumnal and winter food source for numerous bird species and small mammals. The intricate branching structure also provides prime nesting sites for local avian populations.

Interesting facts

The exceptionally rough texture of the foliage acts as a natural mechanical deterrent against certain phytophagous insects and herbivores. Despite its rugged appearance, the tree exhibits an impressive tolerance to both prolonged dry spells and seasonal flooding.

Historical records indicate that indigenous communities occasionally utilized the sweet outer layer of the fruits as a supplemental foraging resource during harsh winters.

Geography of distribution

  • United States
  • Canada

Natural varieties

Sources

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

Technical Information

External Databases: GBIF, POWO, Tropicos

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