Dwarf hackberry (Celtis pumila)

Silhouette: T. Michael Keesey / License

Celtis pumila: Botanical Profile, Taxonomy, and Distribution

Adapting to varied environments, Celtis pumila grows as a compact member of the hackberry lineage within the Cannabaceae family. This wild species contributes to the structural diversity of its native habitats and supports local wildlife through its natural growth cycle.

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 pumila (Dwarf hackberry)

Living Pulse

Morphology

The vegetative system develops irregularly in the form of a bushy shrub or a small, gnarled tree generally not exceeding a few meters in height. The outer bark, although smooth overall when young, systematically develops slight gray roughness and very pronounced corky excrescences with age.

The tree's alternate, deciduous leaves are characterized by a relatively modest size in direct comparison with other large forest species of the same genus. The ovate blade, often highly asymmetrical at its base, displays clearly marked arched veins and margins that can be entire or slightly serrate depending on the specimen.

The fruits materialize as tiny, fleshy drupes that take on an extremely dark reddish-brown to purplish coloration upon reaching full maturity in early autumn. They enclose a hard, spherical pit at their core that ensures the species' survival through the winter seasons.

Interesting facts

Accurate field identification of this specific taxon can regularly represent a major challenge, even for the most experienced botanists in the region.

  • It most often thrives in extreme xeric conditions, growing vigorously directly in the arid fissures of rocky limestone outcrops or on very well-drained sandy hills.
  • The precise taxonomic status of the plant has historically sparked lively academic debate, with some classical authors long treating it as a simple dwarf variety of much larger hackberry species.

Geography of distribution

  • United States
  • Canada

Natural varieties

Sources

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

Technical Information

External Databases: POWO, Tropicos

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