semipapposum

Semipapposum is a genus of plants in the family Asteraceae, commonly known as the daisy or sunflower family. The genus is characterized by its distinctive floral structures. Species within Semipapposum are native to South America, primarily found in Argentina and Chile. These plants typically grow in arid or semi-arid regions.

The name Semipapposum is derived from the Latin "semi" meaning half, and "pappus," referring to the modified leaves that form a parachute-like structure in many Asteraceae for seed dispersal. In Semipapposum, this pappus is often reduced or absent, leading to the "half-pappus" or semipapposum designation.

The exact taxonomic classification and number of species within Semipapposum can vary depending on the source and ongoing botanical research. However, it is generally recognized as a distinct genus within the tribe Astereae. Further research is needed to fully understand the genetic relationships and evolutionary history of Semipapposum. The ecological role of these plants within their native habitats is also an area of interest for botanists.