Introduction
Crepidorhopalon involucratus (Philcox) Eb.Fisch. is a member of the family Orchidaceae. It is a unique and beautiful orchid species that is found in Bolivia and northern Argentina. This species is also known by common names such as "purple grass orchid" and "pompom orchid".
Description
Crepidorhopalon involucratus is a small to medium sized orchid that typically grows to a height of 30-50cm. The plant has cylindrical to fusiform pseudobulbs that are about 7-15 cm long. The leaves are oblong-lanceolate to narrowly elliptic with a length of 10-15 cm and a width of 1.5-2.5 cm. The leaves are grayish-green in color, smooth, and glabrous. Inflorescence is a raceme with 3-5 flowers that bloom one after the other. The flowers of this orchid are showy and attractive with a diameter of about 2-3cm. They are light to dark pink or purple in color.
Uses
Crepidorhopalon involucratus is a popular orchid species for ornamental purposes. It is grown by collectors and gardeners for its exotic and beautiful flowers. The plant is suitable for growing in pots or in a protected environment. It requires a well-draining potting mix, bright but filtered light, and moderate humidity. In its native range, this orchid species is also known to have medicinal uses, particularly in the treatment of inflammation and pain.
Conclusion
Crepidorhopalon involucratus is a stunning orchid species that is prized for its attractive flowers and unique appearance. The plant is widely cultivated for ornamental purposes, particularly by orchid enthusiasts and collectors. This orchid species also has traditional medicinal uses in its native range.
Light Requirements
Crepidorhopalon involucratus prefers bright, indirect light, such as that found in shaded areas or under the canopy of other plants. Direct sunlight can burn the leaves and stunt growth, so it is best to avoid placing the plant in a location with direct sunlight exposure.
Temperature Requirements
The ideal temperature range for Crepidorhopalon involucratus is between 16 to 24°C (60 to 75°F). The plant can tolerate temperatures as low as 10°C (50°F) but growth may be slowed. Temperatures above 30°C (86°F) can cause damage to the plant.
Soil Requirements
Crepidorhopalon involucratus prefers well-draining soil that is rich in organic matter. A mixture of peat moss, sand, and perlite is suitable for potting the plant. The soil pH should be slightly acidic, around 6.0 to 6.5. Ensure that the soil does not become waterlogged as this can cause root rot and other problems.
Cultivation Methods
Crepidorhopalon involucratus is a rare plant species that can be grown both indoors and outdoors. When planting indoors, ensure that the plant is placed near a bright window or under fluorescent lights. The plant can grow up to 2 to 4 feet in length, so it is recommended to plant them in hanging baskets or pots with a climbing support.
For outdoor planting, it is important to select an appropriate location that receives partial shade. The plant prefers well-draining soil that is moist but not waterlogged. The soil should be enriched with organic matter before planting.
Watering Needs
Crepidorhopalon involucratus requires a moderate amount of water. Over-watering can lead to root rot, while under-watering can cause the plant to wilt and dry out. It is important to water the plant thoroughly and ensure that the soil is moist, but not soaked. During the winter months, allow the soil to dry out slightly before watering.
Fertilization
It is recommended to fertilize Crepidorhopalon involucratus during the growing season. Apply a balanced fertilizer every 2 to 3 weeks to encourage growth. Too much fertilizer can lead to excessive foliage growth, so it is important to fertilize in moderation.
Pruning
Crepidorhopalon involucratus requires minimal pruning. However, it is recommended to prune the plant to control its growth and to encourage branching. Regular pruning can also help to maintain the plant's shape and appearance. Prune the plant during the growing season to encourage new growth and remove any dead or damaged leaves or stems.
Propagation Methods
Crepidorhopalon involucratus can be propagated through seed or stem cuttings.
Propagating through Seed
Seeds should be collected from ripe seed pods. The seeds must be cleaned of debris and soaked for 24 hours in water. They should then be sown in a well-draining potting mix, and lightly covered with soil. The pot should be placed in a warm, bright location, and the soil kept moist. Germination should occur within several weeks.
Propagating through Stem Cuttings
Stem cuttings can be taken from mature plants during the growing season. Cuttings should be several inches long, and should include 2-3 leaves. All leaves on the lower half of the cutting should be removed, and the cutting should be allowed to dry for about an hour. The cutting should then be dipped in rooting hormone before being placed into a well-draining potting mix. The cutting should be kept in a warm, bright location, and the soil should be kept evenly moist. Rooting should occur within several weeks.
Disease and Pest Management for Crepidorhopalon involucratus
Crepidorhopalon involucratus is susceptible to various diseases and pest attacks that can weaken or damage the plant. Here are some of the common diseases and pests that you may encounter when growing Crepidorhopalon involucratus and how to manage them.
Diseases
Fungal Diseases: Crepidorhopalon involucratus can be attacked by various fungal diseases like anthracnose, leaf spot, and root rot. These diseases can cause leaf wilting, yellowing, and dieback.
Management: Ensure that the soil is well-drained and does not retain too much moisture. Remove any infected foliage and stems, and destroy them to prevent the spread of fungal spores. You can apply a fungicide to control the spread of the disease. It's also essential to ensure proper air circulation around the plant by pruning regularly.
Pests
Mealybugs: These are common pests that can attack Crepidorhopalon involucratus. They feed on the sap of the plant, causing stunted growth and yellowing of leaves.
Management: You can use a cotton swab dipped in rubbing alcohol to remove the mealybugs from the plant. Alternatively, you can apply insecticide to control the pest population.
Mites: These pests are tiny, but they can cause serious damage to the plant by sucking the plant's sap and causing leaf discoloration and yellowing.
Management: You can apply a miticide to control the pest population. You can also prune the affected foliage to prevent the spread of the pest.
Scale Insects: These pests produce a sticky substance on the plant's surface, which attracts ants and can lead to fungal growth. The scale insect feeds on the plant's sap and weakens the plant, causing stunted growth and yellowing.
Management: You can use insecticidal soap or oil to control the pest population. You can also remove the scale insect manually using a cotton swab dipped in alcohol.
By implementing the mentioned disease and pest management techniques, you can maintain a healthy Crepidorhopalon involucratus and prevent damage or loss due to diseases and pests.
