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Description
Pterygodium Cleistogamum, also known as the Hidden-flower Pterygodium, is a rare species of orchid found in South Africa. As its name suggests, this orchid has hidden flowers that are concealed within its leaves. The plant produces a single leaf that can grow up to 15cm in length and 1cm in width. The leaf is linear and slightly twisted, with a green or reddish color.The inflorescence of Pterygodium Cleistogamum is a dense spike that can reach up to 30cm in height. The flowers are small and white, and they are borne in the axils of the leaves. The appearance of the plant is unique, making it a popular choice for collectors and enthusiasts.
Taxonomic Information
| Domain | Eukarya |
|---|---|
| Kingdom | Plantae |
| Phylum | Magnoliophyta |
| Class | Liliopsida |
| Order | Asparagales |
| Family | Orchidaceae |
| Genus | Pterygodium |
Appearance
Pterygodium Cleistogamum is a small orchid that grows up to 30cm in height. The plant produces a single linear leaf that is slightly twisted and can grow up to 15cm in length and 1cm in width. The leaf is green or reddish in color.The inflorescence of the plant is a dense spike that can reach up to 30cm in height. The flowers are small and white, and they are borne in the axils of the leaves. The most unique feature of this orchid is its hidden flowers, which are concealed within the leaves.
Care Guide
To grow and care for Pterygodium Cleistogamum, you need to provide the right conditions for the plant to thrive. Here are some tips on how to care for this rare orchid:Water: Pterygodium Cleistogamum needs to be watered regularly during the growing season. Water the plant when the top layer of soil is dry. Avoid overwatering, as this can lead to root rot.Fertilization: Use a balanced fertilizer during the growing season to promote healthy growth and blooming.Soil: The plant prefers well-draining soil that is rich in organic matter. You can use a mix of peat moss, perlite, and bark to create a suitable growing medium.Sunlight: Pterygodium Cleistogamum prefers bright but indirect sunlight. Avoid exposing the plant to direct sunlight, as this can cause leaf burn.Hardiness Zones: This orchid is not frost-tolerant and grows best in warm climates. It is recommended for USDA hardiness zones 10-11.
Common Pests & Diseases
Pterygodium Cleistogamum is susceptible to pests and diseases like other orchid species. Here are some common issues to watch out for:Spider mites: These tiny pests can cause yellowing leaves and webbing on the plant. Use insecticidal soap or neem oil to control them.Thrips: These insects feed on the flowers and leaves of the plant, causing damage and discoloration. Use insecticidal soap or neem oil to control them.Fungal diseases: Overwatering can lead to fungal diseases like root rot and leaf spot. To prevent these issues, ensure the plant is not overwatered and has good air circulation.
Habitat
Pterygodium Cleistogamum is native to South Africa and can be found growing in rocky and grassy areas. The plant prefers well-draining soil and can tolerate moderate drought.
Question and Answer
Q: Can Pterygodium Cleistogamum be grown indoors?A: Yes, this orchid can be grown indoors as long as it receives bright but indirect sunlight and is kept in a warm environment.Q: How often should I fertilize Pterygodium Cleistogamum?A: Use a balanced fertilizer during the growing season, and apply it every two to four weeks.Q: What is the blooming season for Pterygodium Cleistogamum?A: This orchid blooms from late winter to early spring.Q: Can I propagate Pterygodium Cleistogamum from seeds?A: Yes, you can propagate this orchid from seeds, but it requires specific conditions and can be challenging.
Related Plants
Here are some related orchid species to Pterygodium Cleistogamum:
- Pterygodium caffrum
- Pterygodium schelpei
- Pterygodium magnum
- Pterygodium alatum
References
- “Pterygodium cleistogamum,” PlantZAfrica, South African National Biodiversity Institute, accessed August 12, 2021, https://pza.sanbi.org/pterygodium-cleistogamum.
- “Pterygodium Cleistogamum,” Orchids.org, accessed August 12, 2021, https://www.orchids.org/grexes/pterygodium-cleistogamum.
- “Pterygodium Cleistogamum,” World of Flowering Plants, accessed August 12, 2021, https://worldoffloweringplants.com/pterygodium-cleistogamum-hidden-flower-pterygodium/.
