It mainly grows in humid areas of Eastern Europe and Taiwan Province Province. As early as 5,000 years ago in China, it was recorded that herbs were used to make aromatherapy, medicine and air purification. Vanilla originated in Mexico, and can be processed into fragrant tea, pillow, sachet, extract essence and other aromatic products.

In recent years, the price of vanilla has been rising, because there are not many artificial plants, but they are widely used in the market. Besides being used as spices, it is also used as potted plants, with good sales and certain planting prospects.

Morphological characteristics of vanilla;

Erect shrub, 25 ~ 60 cm tall, hairy. The leaves are opposite, short-stalked, ovoid or ovoid, 2 ~ 5 cm long, obtuse at the top, round at the base, with coarse serrations at the edges, and densely covered with gray hairs on both sides.

Cymes are petiole bouquets with many flowers, with a length of1~1.5 cm; Calyx campanulate, ca. 2 mm, puberulent, 5-parted, lobes lanceolate; Corolla blue, tube about 4 mm long, 5-lobed, with 1 larger lobes, eyelashes at the edge, slightly hairy outside; Stamens 4, 2 long, 2 short, protruding; Style linear, bicuspid. The capsule is spherical, covered with coarse hairs, and divided into four concave millet petals, the edges of which are curved like wings to hold the seeds. Flowers bloom in June.