Onion orchids is a genus of about 20 species of plants in the orchid family, Orchidaceae. They are widespread in Asia, Australia and some Pacific islands. Orchids in the genus onion orchids are terrestrial, perennial, deciduous, sympodial herbs with a few inconspicuous, fine roots and an egg-shaped to almost spherical tuber. There is a single, linear, cylindrical, onion-like leaf at the base of the plant. The inflorescence is a raceme with a few to many resupinate green flowers spirally arranged on a flowering stem. The fruit is a non-fleshy, dehiscent capsule containing up to 500 seeds.
Water:
Thriving in moist meadows, onion orchids prefers regular weekly watering to replicate its natural habitat. It balances water uptake, not requiring drought resistance or high humidity. As an indoor ornamental, onion orchids flourishes in containers that maintain optimal soil moisture for growth and health.
Propagation:
Propagating onion orchids primarily involves seed sowing, requiring high humidity, low light, and a well-draining orchid mix. Essential steps include introducing specific mycorrhizal fungi, covering pots with humidity domes, and maintaining temperatures of 18-22°C. Germination can take several months to a year.
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