One-sided Hilleria herb (Hilleria secunda)

Silhouette: T. Michael Keesey / License

Hilleria secunda: Habitat, Distribution, and Taxonomy

Spanning a vast geographical range across South America, Hilleria secunda occupies diverse habitats from Venezuela down to Bolivia. The species ranks as an established member of the Phytolaccaceae family, adapting to various regional climates in Colombia, Ecuador, and Peru. The initial scientific description of the plant stems from the historical botanical expeditions of HipΓ³lito Ruiz LΓ³pez and JosΓ© Antonio PavΓ³n JimΓ©nez, with subsequent nomenclature updates by H. Walter.

Taxonomy

  • ∟ царство Plantae
  • ∟ division Tracheophytes
  • ∟ subdivision Spermatophytes (Seed plants)
  • ∟ Angiosperms
  • ∟ eudicots
  • ∟ Superasterids
  • ∟ order Caryophyllales
  • ∟ family Petiveriaceae
  • ∟ genus Hilleria (Hiller's weed)
  • ∟ species Hilleria secunda (One-sided Hilleria herb)

Morphology

The vegetative structure of Hilleria secunda is characterized by an erect, herbaceous to weakly woody growth habit. The simple leaves have a smooth surface that enables efficient photosynthesis in the shadier forest layers.

Its inflorescences are mostly secund (one-sided), which is directly reflected in the botanical epithet secunda. Small individual flowers develop into inconspicuous berries that serve for reproduction and dispersal.

Interesting facts

The range of Hilleria secunda is particularly extensive across South America. It is found in specific regions, notably:

  • In Colombia, in the departments of Cundinamarca and Tolima.
  • In Venezuela, where it grows in numerous states such as Aragua, FalcΓ³n, MΓ©rida, and TΓ‘chira.
  • In Bolivia, in the El Beni region and around La Paz.

Historically, this species was initially described by the famous botanists HipΓ³lito Ruiz LΓ³pez and JosΓ© Antonio PavΓ³n JimΓ©nez. It was later given its valid scientific name by the botanist H. Walter.

Geography of distribution

  • Bolivia
  • Colombia
  • Ecuador
  • Peru
  • Venezuela

Sources

  • POWO
  • WFO
  • GBIF

Technical Information

External Databases: GBIF, POWO, Tropicos