Calyptocarpus

Calyptocarpus
Calyptocarpus vialis
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Asterids
Order: Asterales
Family: Asteraceae
Subfamily: Asteroideae
Tribe: Heliantheae[1]
Genus: Calyptocarpus
Type species
Calyptocarpus vialis
Less.
Synonyms[3]
  • Calyptrocarpus Rchb. 1841 not Less. 1832
  • Oligogyne DC.

Calyptocarpus is a genus of flowering plants in the daisy family, Asteraceae.[4][5]

The name is derived from the Greek kalypto ("covered or hidden") and karpos ("fruit").[2] Species are distributed in the southern United States and Latin America.[2]

These are perennial herbs with decumbent to prostrate stems up to 30 centimeters long. The oppositely arranged leaves have blades of various shapes with toothed edges. Flower heads are solitary in the leaf axils. Each has 3 to 8 light yellow ray florets and several yellow disc florets. The fruit is a flat cypsela with a pappus of 2 or more awns.[2]

There are 2[2][6] to 6[7] species accepted in the genus.

Species[3][6]
  1. Calyptocarpus biaristatus - Brazil, Paraguay, Uruguay, Argentina
  2. Calyptocarpus burchellii - southeastern Brazil
  3. Calyptocarpus vialis – straggler daisy, horseherb, hierba del caballo, lawnflower,[8] creeping Cinderella-weed[9] - Texas, Louisiana, Central America, Venezuela; naturalized in Taiwan, Australia, Hawaii, parts of United States
  4. Calyptocarpus wendlandii - Central America, southern Mexico

References

  1. ↑ "Genus Calyptocarpus". Taxonomy. UniProt. Retrieved 2011-06-22.
  2. 1 2 3 4 5 "Calyptocarpus Lessing, Syn. Gen. Compos. 221. 1832". Flora of North America. eFloras.org. Retrieved 2013-10-30.
  3. 1 2 Flann, C (ed) 2009+ Global Compositae Checklist
  4. ↑ Lessing, Christian Friedrich. 1832. Synopsis generum compositarum earumque dispositionis novae tentamen, monographis multarum Capensium interjectis 221. in Latin
  5. ↑ Tropicos, Calyptocarpus Less.
  6. 1 2 Nesom, G. L. (2011). Is Calyptocarpus vialis (Asteraceae) native or introduced in Texas? Phytoneuron 31, 1-7.
  7. ↑ Calyptocarpus. The Plant List.
  8. ↑ Calyptocarpus vialis. Lady Bird Johnson Wildflower Center. University of Texas, Austin.
  9. ↑ "Calyptocarpus vialis". Germplasm Resources Information Network (GRIN). Agricultural Research Service (ARS), United States Department of Agriculture (USDA). Retrieved 25 January 2018.

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