flower of Lonicera japonica Clavate, stout in upper part and tapered downwards, slightly curved, 2~3 cm long, about 3 mm in diameter in upper part and 1.5 mm in diameter in lower part. Externally yellowish-white or greenish-white, gradually darken on keeping, densely pubescent. Foliaceous bracts occasionally visible. Calyx green, 5-lobed at the apex, lobes pubescent, about 2 mm long. Corolla tubular when open, apex 2-lipped; stamens 5, epipetalous, yellow; pistil 1, ovary glabrous. Odour, delicately aromatic; taste, weak and slightly bitter.

flower of lonicera hypoglauca 2.5~4.5 cm long, 0.8~2 mm in diameter. Externally yellowish-white to yellowish-brown, glabrous or sparsely pubescent. Calyx tube glabrous, 5-lobed at the apex, lobes long-triangular, pubescent. The lower lip of corolla recurved when open. Style glabrous.

flower of Lonicera confuse 1.6~3.5 cm long, 0.5~2 mm in diameter. Calyx tube and corolla densely covered with greyish-white hairs. Ovary hairy.

flower of Lonicera dasystyla 2.5~4 cm long, 1~2.5 mm in diameter. Externally pale purplish-yellow, glabrous. Calyx lobes short-triangular. The upper lip of corolla usually irregular when open. Style densely covered with long pubescences at the lower part.

Carbuncles, boils, erysipelas, acute dysentery, pharyngitis, upper respiratory infection, epidemic febrile diseases.

1.Removing heat and toxic substance.

It is prescribed for the paitents with wind-heat syndrome due to affection by exopathogens, with incipient epidemic febrile diseases, manifested as fever and slight adversion to wind-cold. It has the action of removing heat and toxic substances and is efficacious in expelling wind-heat, and usually applied in the treatment of boils, carbuncles and sore throat.

It is used for dysentery due to toxic heat, and loose stool with pus and blood.

Frequent administration of its decoction is effective in removing toxic substance, removing heat form the blood and arresting dysentery.