Cicadellidae is a genus with large yellow flowers, which is used for viewing in gardens and roadsides. Vegetable milk is poisonous.

gingkgo

Hard leafhopper

Latin scientific name

oleander

boundary

plant kingdom

door

Vascular endothelial cell

summary

Mulan class

subclass

Chrysanthemum subclass

eye

Gentiana

The branch of academic or vocational research.

apocynaceae

Yako

Frangipaninae

nationality

Huangchanzu

belong to

cicada

grow

Hard leafhopper

Distribution area

Originally from Brazil, it is now widely planted in tropical areas.

Erect shrub, 1-2 meters high, with milk; The branches are gray. 3-5 impellers, whole, oval or obovate oblong, 6-12cm long and 6-12cm wide.

2-4 cm, the apex is acuminate or acute, the base is wedge-shaped, the leaves are dark green, the back is light green, and there is no hair except the midvein and lateral veins on the back; Veins are flat on the leaf surface and convex on the back of the leaf, with 7- 12 lateral veins on each side.

Don't reach the edge of the knot; Petiole is very short, and there are glands between the base and leaf axils; Cymes are terminal; Total pedicels and pedicels are bran-like puberulent; The flowers are orange-yellow, 4-6 cm long and about 4 cm in mouth diameter; Bracts with needles

Shape, inserted at the base of pedicel; The calyx is deeply 5-lobed, the lobes are lanceolate, and there are a few glands at the base of the inner surface: the corolla is funnel-shaped with reddish-brown stripes on the inner surface, and the lower part of the corolla is cylindrical, less than 2 cm long and 2-4 mm in diameter.

The base is enlarged, and the flower throat expands upward into a canopy, which is about 3 cm long and about 65438 0.5 cm in diameter. The crown edge is 5-lobed at the top, and the corolla lobes cover the left side. The leaves are ovoid or round, with obtuse top, length 1.6-2.0 cm, and width about.

1.7 cm; 5 stamens, inserted in the throat of corolla tube, short filaments, pilose base, ovoid anthers, blunt tip and round base; Disk fleshy entire, around the base of ovary; Ovary entire, 1 room, style filiform,

The top of the stigma is blunt and the bottom is annular. Capsule spherical, spiny, about 3 cm in diameter; The seeds are flat and membranous, about 2 cm long and 65438 0.5 cm wide. The flowering period is from May to August, and the fruiting period is10-65438+February.

3 factory distribution editor

It is cultivated in gardens in Guangxi, Guangdong, Fujian, Taiwan Province and Beijing (in greenhouses). This species is native to Brazil and is now widely cultivated in tropical areas.

4 growth habit editor

I like high temperature, humidity and plenty of sunshine. Suitable for fertile and well-drained soil. There are two cultivated varieties: cicada with hard branches and cicada with soft branches. Plants are poisonous, so be careful. This species is a poisonous plant included in China Botanical Atlas Database, and its toxicity is that the milk of this plant is poisonous. Poisoning of humans and animals is characterized by rapid heartbeat and disorder of circulatory system and respiratory system. Pregnant animals will miscarry if they eat it.

5 cultivation technology editor

Multipurpose cuttage propagation

It can be propagated at 20℃. After the cuttings take root, put cicadas in pots, 3 plants in each pot, pick buds in time, and cultivate short and fat plant shapes. When the cicada is young, it can be planted first, and the branches can be cultivated in time.

5-6 branches are moved back to the upper basin; Pruning and shaping, cultivating dwarf plant shape. In the growing season, the soil should be kept moist and fertilized every 20 days to promote its flourishing. Control water during dormancy [1].