Lozano's nettle-tree (Lozanella)

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Lozanella Genus Guide: Botany, Habitat, and Species Profile

Woody plants of the Neotropical montane forests find representation in the genus Lozanella, a small group belonging to the hemp family (Cannabaceae). These dioecious trees and shrubs occupy humid upland habitats, stretching from Mexico through Central America down to the Andean regions of South America.

Named in honor of José Filemón Guadalupe Lozano y Lozano, a Mexican botanical collector, the genus contains just two widely accepted species. They play a quiet yet vital role in the ecology of mountain cloud forests, providing canopy structure and food for local wildlife.

Taxonomy

  • царство Plantae
  • division Tracheophytes
  • subdivision Spermatophytes (Seed plants)
  • Angiosperms
  • mesangiosperms
  • eudicots
  • Superrosids
  • rosids
  • order Rosales
  • family Cannabaceae (Hemp family)
  • genus Lozanella (Lozano's nettle-tree)

Living Pulse

Morphology

Members of this genus typically grow as small trees or shrubs ranging from 3 to 10 meters in height. The young branches are characterized by a dense covering of strigose hairs, which give them a rough texture. The leaves are arranged oppositely along the stems, featuring ovate to ovate-lanceolate shapes with serrate margins and acuminate tips.

The reproductive structures are unisexual and borne on separate male and female plants. Axillary, cymose inflorescences bear small, inconspicuous flowers. The resulting fruits are small, lenticular drupes that turn yellow to orange when fully ripe, measuring approximately 1.5 millimeters in length.

Applications

While not commercially harvested for timber, these plants contribute to soil stabilization and forest regeneration in vulnerable montane ecosystems. Their fruits serve as a food source for native bird species and small mammals, aiding in seed dispersal and maintaining biodiversity.

Interesting facts

The genus was first described in 1905 by the American botanist Jesse More Greenman. The honorific name recognizes José Lozano, who assisted the famous botanical collector Cyrus Pringle during his extensive expeditions across Mexico in the late 19th and early 20th centuries.

Geography of distribution

  • Mexico
  • Costa Rica
  • El Salvador
  • Guatemala
  • Honduras
  • Panama
  • Bolivia
  • Colombia
  • Ecuador
  • Peru
  • Venezuela

Natural varieties

Sources

  • Plants of the World Online (POWO), Royal Botanic Gardens, Kew
  • World Flora Online (WFO) Consortium
  • Missouri Botanical Garden (Tropicos)
  • Global Biodiversity Information Facility (GBIF)

Technical Information

External Databases: GBIF, POWO, Tropicos

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