That is, Dendrocalamus giganteus (Verbenaceae)
Another name
Kirin spit beads, pearl grass, pearl lotus, stinky peony, Hedyotis diffusa.
Originated in tropical West Africa, it has not been cultivated for a long time in China, with peculiar flower shapes and lush flowers. Mainly used for greenhouse cultivation and viewing, it can be used as a flower stand or as a potted plant to decorate windowsills and small courtyards in summer. Whole grass can be used as medicine. Summer seems to be a world of white flowers, and the unpretentious dragon figure beads are one of them. As a wonderful flower in the south of China, Longtu Bamboo's flowers belong to prismatic calyx composed of bracts, like milky white "carambola". Between the cracks at its tip, five crimson flowers spit out, covering the leaves densely and evenly. In summer, they stubbornly resist the heat and spit out red beads containing the fire of life. Generally, potted plants grow very short because of pruning restrictions. In fact, it is made of semi-vines, with branches up to more than ten feet. It can be used to build flower baskets, arches, pavilions and various patterns in parks or tourist bases, adding elegance to tourists.
Perennial evergreen vines. The plant height is 2 ~ 5 meters, and the stem has four edges; The leaves are opposite, oblong and 6 ~ 10 cm long. Umbellies axillary; Flowers bloom in spring and summer, and the flowers are beautiful. The calyx is white, and the upper part of the corolla is crimson. When the flowers bloom, the red corolla protrudes from the white sepals, just like a dragon spit bead, hence the name. A weak woody vine with four-sided stems. The single leaf is opposite, dark green, ovoid, oblong or ovoid, with an acute apex, a rounded base, three veins from the base, and a short handle. Cymes, terminal or axillary, scattered, forked, short calyx tube, green, white, ovoid, persistent, cylindrical corolla tube, weak, crimson 5 lobes, long stamens and styles, protruding from corolla, blooming in spring and summer. The fruit is spherical, blue, big, rectangular and black. [ 1-2]
Climbing shrubs, 2-5 meters high; Young branches are quadrangular, yellow-brown, short-tomentose, hairless when old, pith loose when young, and hollow when old. Leaf blade is papery, narrowly ovoid or ovoid, 4-65438 00 cm long and 65438 0.5-4 cm wide, with tapering tip, nearly round base, entire, slightly rough surface, small verrucous hairs, nearly hairless back and 3 basal veins; Petiole length 1-2 cm. Cymes axillary or pseudoterminal, dichotomous, 7-15cm long and10-17cm wide; Bracts narrowly lanceolate, 0.5- 1 cm long; Calyx is white, connate at the base, swollen in the middle, with 5 ridges and 5 deeply parted at the top, covered with fine hairs, and the lobes are triangular-ovate, with a length of1.5-2cm, a width of1-1.2cm and a tapering at the top; Corolla is crimson, covered with slender glandular hairs, lobes elliptic, about 9 mm long, corolla tube nearly as long as calyx; Stamens 4, protruding from corolla with style; Stigma 2-lobed. Drupe is nearly spherical, about 65438 0.4 cm in diameter, with 2-4 divisions inside, and the exocarp is bright and brown-black; Persistent calyx not enlarged, reddish purple. Flowering from March to May