What kinds of yellow cicadas are there?

Yellow cicada belongs to the genus Apocynaceae. There are 15 species of this genus, which are distributed in tropical America. The common species and cultivated species introduced into China are yellow cicada, soft branch yellow cicada, double soft branch yellow cicada, small leaf soft branch yellow cicada, white cicada, purple cicada. The yellow cicada is evergreen, with 5 leaves whorled, ovate-lanceolate, entire, Cymes terminal, lemon yellow flowers, funnel-shaped at the base of the Corolla, florescence 4-12 months.

Cymbidium iridioides D.Don1, florescence: September to April of the following year. 2. Inflorescences: 1-2, racemose, 9-16. 3. Scape (flower arrow): 40-50 cm. 4. Bracts (shell, bract coat): very short, only 0.9-1.1 cm; membranous semi-transparent, clasping ovary, base not connate. 5. Scabbard (envelope): 12-14 cm, a total of 7-8 pieces, affixed to the scape, below the base to form a tubular, upward connate gradually shorter, so that the last one is not connate. 6. The number of leaves per seedling (bundle): 7-9 leaves. 7. Leaf margin: full margin. 8. Petiole scar: obvious. 9. Sheath leaves: 12-15 cm long, thick leathery. 10. Others: thick leather, tough texture, drooping upper part (also upright and sturdy), green, flat, smooth, midrib protruding abaxially. The main characteristics of the yellow cicada orchid are as follows: leaves: 8 leaves, banded, 45ml 70 (- 90) cm long, (1.6) 2 mi 4 cm wide, apex acute, joint located at 6 mi 15 cm from the base. Flowers: scape piercing from the base of the pseudobulb, suberect or horizontally extending, slightly pendulous, 40ml 70 cm or more long; racemes with 7-13 flowers; bracts subtriangular, 2 ml 3 mm long; pedicels and ovaries 44.5 cm long; flowers larger, 10 cm in diam., fragrant. Sepals and petals yellowish green, with 7 pale brown or reddish brown thick veins, lips yellowish and with similar veins on lateral lobes, red spots and patches on middle lobes, folds yellow and chestnut spots in front; sepals narrowly Obovate-oblong, 3.7rel 4.5 cm long, 1.2rel 1.5 cm wide, lateral sepals slightly twisted. Petals narrowly ovate-oblong, 3.5Mel 4.6 cm long and 7Mel 9 mm wide, slightly falcate; labellum subellipsoid, slightly shorter than petals, 3-lobed, base connate with core column up to 4ml 5mm; lateral lobes margin ciliolate, with short hairs above; middle lobe strongly curved, central with 2MUR 3 long hairs, connected to the top of the fold and extending to the upper part of the middle lobe, the rest sparsely short hairy, margin Erose and undulate. Two longitudinal folds on the labial disc extend from the upper to the middle, but quickly become narrow to the base, the tip is thicker, and the middle and upper part has long hairs; the core column is 2.5rel 2.9 cm long, curved forward, with short hairs at the ventral base; pollen clusters are 2, subtriangular. Flowering from September to April of the following year. Distributed in Sichuan, Yunnan, Guizhou, Xizang and other places. It is also distributed in northern India, Bhutan, Nepal and other places. This species is similar to the tiger orchid, the pseudobulb is slightly larger, the sepals are as wide as the petals, the perianth is yellow-brown, and the lip does not change much after pollination, so it is easy to distinguish.

What kinds of Chinese orchids are collected and shared?

Flower bonsai network flower cultivation basic column: what are the species of Chinese orchids? The orchid in China refers to the terrestrial orchid species of the genus Orchidaceae, which has been cultivated in China for more than 2000 years. We have selected many excellent species from them, which are loved by people for their unique fragrance, beautiful flower shape and leaf shape. According to the flowering period, the number of flowers on each flower stem and leaf shape can be divided into nine categories: (1) Chunlan: it blooms from February to March, generally with 1 ~ 2 flowers on each flower stem. These include Chunlan (or linear orchid), spring sword, cinnabar orchid and snow orchid. Famous species are emerald green, gold flavin, dentin, line orchid, jade plum, and so on. (2) Cymbidium (also known as Jiujie Orchid, Chardonnay): from April to May, there are 7 ~ 15 flowers on the flower stem, 7 ~ 15 flowers on the flower stem, and 3 ~ 9 flowers on the flower stem in March ~ April. Famous species are Shanghai plum, Wenzhou vegetable, tooth yellow to send spring, emerald green to send spring. (3) the multi-flower orchid blossoms from April to May, with 30 ~ 50 flowers on the stem, including 15 ~ 30 flowers on the stem of Tailan (also known as bee orchid). (4) Rabbit ear orchid: the flowering period is June, with 3 ~ 6 flowers on the flower stem. The leaves are shaped like rabbit ears. (5) Jianlan (also known as Jianhui): it blossoms from August to September, with 3 ~ 9 flowers on the stem, among which Xiahui (Cymbidium) blossoms from July to October, the flower stem blossoms 3 to 6, the variety is Suxin Jian Lan (autumn element), and the famous species are Xia Huisu, Tiegu and so on. (6) long-leaf orchid: it blossoms from September to December, and the flower stem changes from several to more than 10. (7) Cold orchid: during the florescence from October to November, there are 6 ~ 14 flowers on the flower stem, including Qinghan orchid, red cold orchid and purple cold orchid. Famous species include Yinling, Cuiyu, Ziyun and so on. (8) Cymbidium (Cymbidium grandiflorum): among them, the flowering period of green cicada orchid is from January to March, and the flower stem has 10 ~ 18 flowers. Yellow cicada orchid florescence from March to April, flowering stem with 9 ~ 16 flowers, red cicada orchid florescence from February to March, flowering stem with 9 ~ 15 flowers. (9) Orchid (Orchid): from February to March, there are 5 ~ 10 flowers on the flower stem, and the famous species are white ink, plain ink, Phoenix tail orchid and so on.