Calyptocarpus vialis

Calyptocarpus vialis is a species of flowering plant in the family Asteraceae. Common names for C. vialis include straggler daisy, horseherb, lawnflower,^[3] and creeping Cinderella-weed.^[4] It is native to south Texas, Mexico, Belize, Venezuela, and the Caribbean. It has also been introduced east of Texas, Argentina, Hawaii, India, Java, Australia, and Taiwan.^[2] It is one of only three species in the genus Calyptocarpus.^[2]

Calyptocarpus vialis
Conservation status
Secure  (NatureServe)[1]
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Asterales
Family:	Asteraceae
Genus:	Calyptocarpus
Species:	C. vialis
Binomial name
Calyptocarpus vialis Less., 1832
Synonyms[2]
Blainvillea tampicana (DC.) Benth. & Hook.f. ex Hemsl. Calyptocarpus tampicanus (DC.) Small Oligogyne tampicana DC. Synedrella vialis (Less.) A.Gray Zexmenia hispidula Buckley

The opposite leaves are typically 1–3 cm (0.39–1.18 in) long and triangular to lanceolate in shape.^[5][6] It bears heads of yellow flowers, with around 10–20 disc florets and 3–8 ray florets, the laminae of the latter around 2–5 mm (0.079–0.197 in) long. It flowers year round.^[5] It is a weedy species, found in lawns and along other disturbed areas such as roadsides and paths.^[5]

Calyptocarpus vialis possess medicinal properties that are as effective as the antibacterial drug ciprofloxacin.^[7] Additionally, Calyptocarpus vialis extracts are more effective against fungal stains than the standard market drug.^[7] With further research and development, Calyptocarpus vialis can be crucial in developing medications for various diseases.^[7]

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  Flowerhead with seven ray flowers