Daylily (Scientific name: Hemerocallis)Gaillardia pulchellaFoug., an annual herb of the Asteraceae family, grows to 20-60 cm in height. The middle and upper parts of the stem are much branched, with the branches ascending obliquely, covered with short soft hairs or rusty hairs. The lower leaves are spatulate or inversely lanceolate, with wavy-toothed, rounded teeth, shallowly lobed to pinnatifid, with an acute tip, nearly sessile. The upper leaves are elongated-ovate, inversely lanceolate, or spatulate, with both surfaces covered with appressed hairs.Capitate inflorescenceDiameter: 5 cm. Involucral bracts are lanceolate, with long marginal hairs and glandular dots on the back. Ray florets are yellow with purple bases, the ligules broadly cuneate, apically 2-3-lobed; disk florets have triangular lobes, with jointed hairs. Achene is 2 mm long, with long silky hairs at the base. Pappus is 5 mm long. Flowering and fruiting period: June to August.

Native to tropical America.天人菊 boasts vibrant colors, a long blooming period, simple cultivation and management, often grown in gardens for ornamental purposes.