Eucalyptus-leaved thickleaf hackberry (Celtis crassifolia var. eucalyptifolia)

Silhouette: T. Michael Keesey / License

Celtis crassifolia var. eucalyptifolia: Guide to the Eucalyptus-Leaved Hackberry

Displaying elongated, lanceolate foliage that closely mimics eucalyptus leaves, Celtis crassifolia var. eucalyptifolia showcases a unique variation in leaf morphology. This deciduous tree thrives in well-drained soils and shows a preference for sunny forest edges. Its unique foliage helps distinguish it from other varieties growing within the same geographical range.

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)
  • variety Celtis crassifolia var. eucalyptifolia (Eucalyptus-leaved thickleaf hackberry)

Living Pulse

Morphology

The narrow, elongated leaf profile of Celtis crassifolia var. eucalyptifolia is its most prominent distinguishing feature. This leaf design differs significantly from the typical broad leaves of the species. Key morphological characteristics include:

  • Foliage: Lanceolate, slightly leathery leaves with a long, tapering apex.
  • Twigs: Slender, reddish-brown, and slightly zigzag in growth pattern.
  • Bark: Grayish-brown, develops characteristic corky ridges as the tree matures.

Flowering season

Spring

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Oct
Name
Dec

Applications

As a resilient deciduous tree, this variety serves as a windbreak in open woodland areas. Its deep root system helps secure soil structures, particularly on sloped terrain. Additionally, the tree provides essential nesting sites and cover for various woodland birds and small mammals.

Interesting facts

The name eucalyptifolia refers directly to the resemblance of its leaves to those of the genus Eucalyptus. This represents a classic example of leaf shape convergence, where unrelated plants develop similar leaf silhouettes due to ecological factors.

Geography of distribution

  • United States
  • Canada

Sources

  • GBIF Backbone Taxonomy: Species database record for Celtis crassifolia var. eucalyptifolia.
  • World Flora Online (WFO): Taxonomic classification data for Celtis and infraspecific taxa.
  • Plants of the World Online (POWO): Taxonomic database entry for Celtis occidentalis varieties.

Technical Information

External Databases: GBIF, POWO, Tropicos

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