Duck's Foot Ailanthus (《生草药性备要》)

异名： Beetroot, Wild Lechuan, Four Seasons Vegetable (《广州植物志》), Chicken Beetroot (《陆川本草》), Duck's Foot Vegetable, Sweet Ailanthus (Nanning Drugs Zhi 《南宁市药物志》), Pearl Chrysanthemum, Loach's Vegetable (Fujian Chinese Herbs Medicine 《福建中草藥》), Liu Hai Nu (Guangxi Medicine Plant List 《广西藥植名录》)

来源：為菊科植物四季菜的全草

Botanical form: perennial grass of the four seasons vegetable, 80-150 centimeters high.

Stem erect, smooth, with longitudinal grooves, the upper multi-branched.

Lower leaves withered at flowering, middle leaves with stalks and pseudostipules; leaf blade broadly ovate, pinnately divided, lobes 3-5, ovate-elliptic or long elliptic-lanceolate, both surfaces smooth and glabrous, apex rounded-obtuse or mucronate, base cuneate, margins acutely compound serrate, apical lobes usually 3-lobed: upper leaves sessile, 3-lobed.

Heads ovoid, sessile, crowded into spikelike panicles; involucre campanulate-ovate, bracts 3-4-layered, outermost shorter, ovate, inner bracts elliptic, brown, thinly membranous; flowers polygamous, outer female, ca. 2 mm; central bisexual, 2.5 mm, both tubular; stamens 5; stigma 2-lobed, lobes with a paintbrush-like apex. Achenes ellipsoid, ca. 1.5 mm long.

Flowering period: September to October.

Growing place: born on roadsides or hillside meadows.

Region of distribution: east, south-central, southwestern to western China.

Gathering season: summer, fall harvest, sun-dried or fresh. The whole herb contains flavonoid glycosides, phenols, volatile oil and amino acids.

Separated from the leaves and stems of the deetiolin, coumarin.

Taste: Pungent, sweet, flat,

Historical books of medicinal properties description

Sheng Herbal Medicinal Properties Preparation: Bitter taste, warm nature, non-toxic.

Lu Chuan Ben Cao (陆川本草)：Cool in nature, sweet in flavor.

Nanning City Drugs: pungent and sweet, flat. Born in the understory, forest edge, roadside, hillside grassland and under the scrub.

Resource Distribution: Distributed in East China, Central and South China, Southwest China to the spirits of the regions.

Chemical composition: duck's foot ai contains volatile oil, volatile oil containing Artemisia alba enol (lactiflorenol), eucalyptus oil spathulenol (spathulenol), sulfur, guaiacum azulene (S-gua-iazulene), 7-methoxycoumarin (7-methoxycoumarin) that is, the dehiscence of herbs (her-), gas chromatography. niarin), gas chromatography detected α-pinene (α-pinene), β-pinene acid (palmitic acid).

The aboveground part contains 7-methoxycoumarin, 7-hydroxycoumarin (7-hydroxycoumarin) that is umbelliferolide (umbellifereone). From the flowers and leaves are divided into leucoartemisinin (lactiflorasyne).