埃及白酒草 ai ji bai jiu cao

Basionym: Erigeron aegyptiacus Linnaeus, Syst. Nat., ed. 12, 2: 549; Mant. Pl. 1: 112. 1767 ["aegyptiacum"]; Conyza aegyptiaca (Linnaeus) Aiton; E. hispidus Candolle; Eschenbachia globosa Moench, nom. illeg. superfl.

Herbs, annual, 20-100 cm tall; taproot woody, fibrous rooted. Stems erect, branched from base or middle, branches ascending, striate, densely white long hirsute, stipitate glandular. Leaves: lower withered at anthesis; mid sessile, blade narrowly oblong to oblanceolate, 4.5-9.5 × 1.4-3 cm, surfaces densely hirsute, densely stipitate glandular, veins slightly prominent, base subclasping, margin pinnatilobed, lobes in 6 or 7 pairs, narrowly oblong, apex obtuse, terminal lobe larger, apiculate; upper oblanceolate, gradually reduced, pinnatilobed; uppermost lanceolate or linear-lanceolate, serrate only at base. Capitula 12-15 mm in diam., 2-4 in dense corymbiform synflorescences; peduncles slender, 1.5-4.5 cm, densely strigose-villous. Involucre hemispheric-campanulate, ca. 8 × 15 mm; phyllaries 3- or 4-seriate, linear, abaxially villous, margin scarious, apex acuminate, slightly reflexed, outer ca. 3 mm. Ray florets reduced to tube, filiform, 2-3.7 mm, ca. 1/2 as long as style, apex puberulent; disk florets 25-33, funnelform, 4.3-4.5 mm, tube ca. 2.7 mm, hairy above, limb 1.5-1.8 mm, lobes 0.5-0.6 mm, apex hairy. Achenes straw-colored, oblong or oblanceolate, compressed, 0.8-1.1 mm, sparsely strigillose, sometimes 1 additional rib on one face. Pappus 1-seriate, basally connate in a ring, sometimes deciduous, dirty white, of 10-16 fragile bristles, 5-6 mm.

Seasides, riverbanks. Fujian, Guangdong, Taiwan [Afghanistan, Bangladesh, India, Japan, Malaysia, Myanmar, Pakistan, Vietnam; Africa, SW Asia (Iran), Australia].