Racemes, long round-lanceolate bracts, twisted flowers, orange yellow, light yellow, blue-green or yellow-white, sepals and petals combined, sepals free from egg-shaped triangles, capsules obovate-elliptic, flowering and fruiting in May-July.
Extended data:
Gastrodia elata has no roots and leaves, so it can't carry out photosynthesis. It relies on Armillaria mellea to supply nutrition for growth and reproduction. Therefore, the first step in planting gastrodia elata is to cultivate a certain number of high-quality Armillaria mellea materials, and the second step is to introduce gastrodia elata seeds. And is planted with Armillaria mellea in time.
The optimum temperature for the growth of Gastrodia elata is 10-30℃, the optimum temperature is 20-25℃, the air relative humidity is about 80%, the soil water content is 50% to 55%, and the pH value is 5-6, which is an acidic ecological environment.
Baidu Encyclopedia-Gastrodia elata