Hollow bubble, the name of traditional Chinese medicine. It is the root, twig and leaf of the hollow bubble of the Rosaceae plant. It is distributed in Fujian, Jiangxi, Guangdong, Guangxi, Sichuan, Yunnan and other places. It can also be seen in some places in Henan, which has the effects of clearing heat, relieving cough, stopping bleeding and dispelling rheumatism. It is often used for pulmonary fever cough, whooping cough, hemoptysis, night sweats, toothache, musculoskeletal pain, bruises;External use to treat burns and scalds.
Morphological characteristics: upright or climbing shrubs, 2-3 m high;Branchlets cylindrical, pubescent or near-**, often with pale yellow glandular spots, sparse and erect spurs. Leaflets 5-7, ovate-lanceolate or lanceolate, 3-5 (7) cm long, 1. wide5-2 cm, apex acuminate, base rounded, sparsely pubescent on both sides, a few ** when old, with light yellow shiny glandular points, sparse small skin spines along the midrib below, edges with sharp notched heavy serrations;The petiole is 2-3 cm long, and the apical petiole is 08-1.5 cm, pubescent and small spines on the leaf axis, sometimes close to **, punctuated by pale yellow glands;Leaves ovate-lanceolate or lanceolate, pubescent;Flowers often 1-2, apical or axillary;The peduncle is 2-3 long5 cm, sparsely pubescent or pubescent, sparsely covered with small skin spines, sometimes punctated by glands;Flowers 2-3 cm in diameter;Calyx is covered with pubescence and glandular points;Sepals lanceolate or ovate-lanceolate, apex long tail pointed, often folded backward after flowering;The petals are oblong, obovate or nearly rounded, 1-1 long5 cm, width 08-1 cm, white, clawed at base, longer than sepals, pubescent on the outside, gradually shedding;The filaments are wider;There are many pistils, columella and ovary**;Flower bracket with short handles. The fruit is ovate or oblong-ovate, 1-1 long5 cm, red, shiny, ** nucleus with deep socket holes. The flowering period is from March to May, and the fruiting period is from June to July.