Biology:Crusea simplex

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Short description: Species of plant

Crusea simplex
Scientific classification edit
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Gentianales
Family: Rubiaceae
Genus: Crusea
Species:
C. simplex
Binomial name
Crusea simplex
(Willd.) J.H.Kirkbr. & Wiersema
Synonyms[1]
  • Borreria subulata DC.
  • Crusea diversifolia W.R.Anderson, nom. illeg. superfl.
  • Crusea subulata (DC.) A.Gray, nom. illeg. homonym. post.
  • Crusea subulata var. leiocarpa Greenm.
  • Diodia subulata (DC.) Standl.
  • Knoxia simplex Willd.
  • Spermacoce diversifolia Kunth, nom. illeg. superfl.
  • Spermacoce subulata (DC.) Hemsl.

Crusea simplex is a species of flowering plant in the family Rubiaceae.[2] It is an annual native to Mexico, Guatemala, and the southwestern United States.[1]

Description

Crusea simplex produces clusters of four-petaled tubular white flowers at the top of erect stems. Along green stems are small lanceolate-shaped leaves that grow opposite. Four white stamens with brownish-purple anthers stick out shortly above the opening of the flower. [3] [4]

Range

It can be found in Arizona and New Mexico in the southwestern US, across Mexico, and in Guatemala.[1]

Habitat

Can be found on moist soils in the bottom of canyons, on hillsides, and in open or wooded areas. [5]

Ecology

Etymology

Taxonomy

The species was first described as Knoxia simplex by Carl Ludwig Willdenow in 1818. In 2020 Joseph Harold Kirkbride and John Harry Wiersema placed the species in genus Crusea as C. simplex.[1]

References

Wikidata ☰ Q106901334 entry