Contents
Description
Cremastra is a genus of terrestrial orchids native to Asia, specifically in China, Japan, Korea, Taiwan, and Vietnam. This genus comprises only two known species, Cremastra appendiculata and Cremastra unguiculata. Both species have a similar appearance and are used for medicinal purposes in traditional Chinese medicine.
Taxonomic Information
| Domain | Eukaryota |
|---|---|
| Kingdom | Plantae |
| Phylum | Tracheophyta |
| Class | Liliopsida |
| Order | Asparagales |
| Family | Orchidaceae |
| Genus | Cremastra |
Appearance
Cremastra orchids have a unique and striking appearance. They have a single stem that grows up to 30 cm tall and bears one to several flowers. The flowers are typically pink or purple with a white lip and have a diameter of up to 4 cm. The lip has a distinctively fringed margin that gives it a feathery appearance. The leaves are basal, lanceolate, and up to 20 cm long.
Care Guide
Cremastra orchids are easy to care for and can thrive in a variety of conditions. Here are some tips on how to care for your Cremastra:
- Water: Water your Cremastra regularly, but be careful not to overwater it. Allow the top inch of soil to dry out before watering again.
- Fertilization: Fertilize your Cremastra once a month during the growing season with a balanced fertilizer.
- Soil: Cremastra orchids prefer well-draining soil that is rich in organic matter. A mixture of peat moss, perlite, and bark is ideal.
- Sunlight: Cremastra orchids prefer bright, indirect light. Avoid direct sunlight, as it can burn the leaves.
- Hardiness Zones: Cremastra orchids are hardy in USDA zones 6 to 9.
Common Pests & Diseases
Cremastra orchids are generally resistant to pests and diseases. However, they can occasionally be affected by spider mites, thrips, and fungal diseases. Here are some common pests and diseases that can affect Cremastra:
- Spider Mites: These tiny pests can cause yellowing and wilting of the leaves. Use a miticide to control spider mites.
- Thrips: These insects can cause distorted and discolored flowers. Use an insecticide to control thrips.
- Fungal Diseases: Cremastra orchids can be affected by fungal diseases such as root rot and leaf spot. Avoid overwatering and provide good air circulation to prevent fungal diseases.
Habitat
Cremastra orchids are native to Asia, where they grow in a variety of habitats, including forests, grasslands, and mountain slopes. They prefer well-draining soil and bright, indirect light.
Question and Answer
Q: Are Cremastra orchids difficult to grow?
A: No, Cremastra orchids are relatively easy to grow and care for. They are hardy and can tolerate a variety of growing conditions.
Q: Can Cremastra orchids be grown indoors?
A: Yes, Cremastra orchids can be grown indoors as long as they receive bright, indirect light and are not overwatered.
Q: How often should I fertilize my Cremastra orchid?
A: Fertilize your Cremastra once a month during the growing season with a balanced fertilizer.
Q: Can Cremastra orchids be propagated?
A: Yes, Cremastra orchids can be propagated by division. Divide the plant in the spring when new growth appears.
Related Plants
- Calanthe
- Cephalanthera
- Cymbidium
- Gastrodia
- Goodyera
- Paphiopedilum
- Phaius
References
- Chen X, Liu ZJ, Lang KY, Jin XH, Wang Y, Jin XJ. 2018. The complete chloroplast genome sequence of Cremastra appendiculata (Orchidaceae: Orchidoideae). Mitochondrial DNA Part B 3(2): 571-572.
- Flowers of India. Cremastra unguiculata. Available from: https://www.flowersofindia.net/catalog/slides/Asian%20Jewel%20Orchid.html
- Roy B, Banerjee N. 2016. Phytochemical screening and evaluation of antioxidant and antimicrobial activities of Cremastra appendiculata (D. Don) Makino: An endemic orchid of Sikkim Himalaya. Journal of Medicinal Plants Studies 4(3): 06-10.
