Geranium, Geranium, Leguminosae.

Alias: Old Stork Mouth, Old Crow Mouth, Wild Gerbera.

Herbs annual, 20-60 cm tall, slender roots, solitary or branched, erect or supine stems, solitary or numerous, angular, densely backward pubescent.

Basal leaves wither early, stem leaves alternate or the uppermost part is opposite; Stipules lanceolate or triangular-lanceolate, 5-7 mm long, 1.5-2.5 mm wide, pubescent outside; The lower leaves of the stem have long stalks, 2-3 times as long as the leaves, inverted pubescence, and the upper petiole gradually becomes shorter.

Leaf blade kidney-shaped, 2-3 cm long and 4-6 cm wide, heart-shaped base, palmately 5-7-lobed near the base, wedge-shaped obovate or rhombic lobes, wedge-shaped lower half, entire, pinnately parted upper half, long rectangular lobules, acute apex, short hairs on the surface, short hairs on the back mainly along veins.

Inflorescence axillary terminal, longer than leaves, with inverted pubescence, spreading long glandular hairs, 2 flowers per total pedicel, constant total number of terminal pedicels, umbrella-shaped inflorescence; Pedicels are similar to total pedicels, equal to or slightly shorter than flowers; Bracts subulate, 3-4 mm long, pubescent; Sepals are ovoid or nearly oval, 5-7 mm long and 3-4 mm wide, with an acute tip, which is about 65438 0 mm long and is pubescent or extends along veins.

Petals are purplish red, obovate, slightly longer than calyx, rounded at the apex, broadly cuneate at the base, stamens slightly shorter than sepals, and villous below the middle; Pistil slightly longer than stamens, densely hirsute.

The capsule is about 2 cm long, short and thick, and its petals curl downward from the upper part of the beak.

The flowering period is from April to July, and the fruiting period is from May to September.

Distributed in Shandong, Anhui, Jiangsu, Zhejiang, Jiangxi, Hunan, Hubei, Sichuan and Yunnan.

Born in plains, low mountains and barren slopes.

China, native to the United States, is an escape.

The whole herb is used as medicine, which has the effects of expelling wind, astringing and stopping diarrhea.

(Excerpted from Flora of China)