Alias of yellow cicada
Yellow cicada, an upright shrub plant, is also called yellow blue cicada
Origin of yellow cicada
This variety is native to Brazil and has been widely cultivated in tropical areas. It is cultivated in gardens in Guangxi, Guangdong, Fujian, Taiwan and Beijing (in greenhouse)
Morphological characteristics of yellow cicada
The Yellow cicada is about 1-2 meters high, with milk, and its branches are gray white
The leaves are 3-5 whorls, entire, mostly oval or obovate oblong, about 6-12cm long and 2-4cm wide. The end of the leaves is acuminate or acute, and the base is wedge-shaped. The surface of the leaves is dark green and the back is light green. There are no hairs in other places except the midvein and lateral vein on the back of the leaves
The leaf veins are flat on the leaf surface and convex on the back of the leaf. There are 7-12 lateral veins on each side, which are netted before reaching the edge; Petiole very short, with glands at base and between axils
The cyme of yellow cicada is terminal, there are villi on the pedicel, the flower is yellow, 4-6 cm long, the opening diameter is about 4 cm, and the bracts are lanceolate, which are inserted at the base of the pedicel
The Corolla is funnel-shaped, with reddish brown stripes on the inner surface. The lower part of the Corolla is cylindrical, no more than 2 cm long, 2-4 mm in diameter, the base is expanded, the flower throat expands upward into a crown eaves, about 3 cm long, about 1.5 cm in diameter, the top of the crown eaves is 5-lobed, the corolla lobes cover to the left, the lobes are oval or round, the apex is blunt, 1.6-2.0 cm long and 1.7 cm wide
Yellow cicada has 5 stamens, which grow in the throat of corolla tube. The filaments are relatively short, the base is fluffy, the anther is oval, the top is relatively blunt, the disc is fleshy, the ovary is full, 1-locular, the style is filiform, the top of the style is blunt, and the base is annular
The capsule of yellow cicada is spherical, with long spines, about 3 cm in diameter, flat seeds, membranous edges, about 2 cm in length and 1.5 cm in width. The flowering period is from May to August and the fruiting period is from October to December