Origin and Common Names
Cyrtandra ×axilliflora St. John & Storey (pro sp.) is a hybrid plant that is a cross between Cyrtandra longiflora and Cyrtandra kaulantha. Both of these parent plants are native to Hawaii. As a hybrid, Cyrtandra ×axilliflora St. John & Storey (pro sp.) is not found in the wild but is commonly cultivated as an ornamental plant. It is also known by the common names of Lilac Cyrtandra or Long-Flowered Cyrtandra.Appearance
Cyrtandra ×axilliflora St. John & Storey (pro sp.) is a perennial plant with a woody stem and thick, dark green leaves. It can grow up to 5 feet tall, but most often reaches a height of around 2 to 3 feet. The plant produces clusters of pink or lilac campanulate flowers in the axils of the leaves. These flowers are tubular in shape and have a diameter of about 1 cm. The blooming period is from summer to fall.Uses
Cyrtandra ×axilliflora St. John & Storey (pro sp.) is primarily grown as an ornamental plant for its attractive foliage and flowers. It is commonly used as a houseplant or in landscaping designs. The plant can thrive both indoors and outdoors, as long as it is kept in a warm and humid environment. It prefers partial shade but can tolerate full sun with adequate moisture. Cyrtandra ×axilliflora St. John & Storey (pro sp.) is not known to have any significant medicinal or culinary uses.Light Requirements
Cyrtandra ×axilliflora requires bright, indirect light to grow and thrive. Direct sunlight can burn the leaves and hinder its growth. Place the plant near a window that receives filtered sunlight or in an area that stays bright throughout the day. Providing adequate lighting is essential for the plant's photosynthesis process and overall health.
Temperature Requirements
The ideal temperature range for Cyrtandra ×axilliflora is between 60-75°F (15-24°C). The plant thrives in temperatures that are consistent and do not fluctuate widely. If the temperature drops below 55°F (13°C) or rises above 85°F (29°C), the plant may experience stunted growth or wilt. Keep the plant away from cold drafts or hot, dry air, as these can be damaging to its health.
Soil Requirements
Cyrtandra ×axilliflora grows best in a well-draining, slightly acidic soil mix. A mix of peat moss, perlite, and vermiculite can be a suitable combination. The recommended pH range is between 5.5 and 6.5. It is important to ensure that the soil never becomes waterlogged, as this can lead to root rot and other diseases. A good rule of thumb is to water the plant when the top inch of soil feels dry to the touch.
Cultivation Methods for Cyrtandra ×axilliflora St. John & Storey (pro sp.)
Cyrtandra ×axilliflora St. John & Storey (pro sp.) is a tropical plant, and it should be cultivated in areas with high humidity and warm temperatures throughout the year.
The plant prefers well-draining soil with high organic matter content, and it can be grown in pots or planted directly in the ground.
The plant requires bright, indirect sunlight for healthy growth, and it can tolerate some shade during the hottest part of the day.
Watering Needs for Cyrtandra ×axilliflora St. John & Storey (pro sp.)
Cyrtandra ×axilliflora St. John & Storey (pro sp.) requires regular watering, but the soil should not be kept waterlogged as this can cause root rot.
The plant should be watered when the soil surface is dry to the touch, but the frequency of watering will depend on the temperature, humidity, and light conditions in the growing area.
The plant can benefit from regular misting to increase humidity levels around the foliage and enhance its overall appearance.
Fertilization for Cyrtandra ×axilliflora St. John & Storey (pro sp.)
The plant requires regular fertilization to promote healthy growth and flowering.
A balanced fertilizer with equal amounts of nitrogen, phosphorus, and potassium should be applied every two to three months during the growing season.
Application of organic matter such as leaf compost or decomposed manure can also be beneficial for the plant's growth.
Pruning for Cyrtandra ×axilliflora St. John & Storey (pro sp.)
Pruning can help to shape and promote bushy growth in Cyrtandra ×axilliflora St. John & Storey (pro sp.).
The plant can be pruned lightly throughout the year to remove any dead or damaged foliage, and to shape the plant as it grows.
Heavier pruning should be done in the spring before the growing season starts to encourage healthy growth and flowering.
Propagation of Cyrtandra ×axilliflora St. John & Storey
Cyrtandra ×axilliflora St. John & Storey (pro sp.) is a rare hybrid plant created through the crossing of two Cyrtandra species. Propagation, or the process of producing new plants from existing ones, can be done through several methods such as seed propagation, stem cuttings, and division.
Seed Propagation
The easiest way to propagate the plant is through seed propagation. Seeds can be collected from mature fruit capsules when they turn brown and start to split open. Once collected, they should be cleaned, dried, and stored in a cool, dry place until planting time. Plant the seeds in a well-draining potting mix covering them lightly with soil. Seeds can be slow to germinate and may take up to 2 months to sprout.
Stem Cuttings
The plant can also be propagated through stem cuttings. Take softwood cuttings of approximately 8-10 cm in length, ensuring that they have at least one pair of leaves. Dip the cuttings in rooting hormone and plant them in a well-draining potting mix. Keep the soil moist and warm and root growth should be visible in 4-6 weeks. Once rooted, the cuttings can be transplanted to individual pots.
Division
Cyrtandra ×axilliflora can be propagated through division also. Divide the plant at the root into several sections during the spring when the plant is actively growing. Ensure that each section has both roots and foliage. Transplant each section into an appropriate sized container filled with well-draining soil. Keep the soil moist and place the container in a warm and bright location.
Disease Management
Cyrtandra ×axilliflora St. John & Storey is prone to a few diseases that can affect its growth and overall appearance, but with proper disease management, you can prevent and control them.
Leaf Spot: This is a fungal disease that causes yellow or brown spots on the foliage. It can spread quickly and lead to leaf drop, which can affect the plant's growth. You can prevent this disease by avoiding overhead watering and providing good air circulation around the plant. If the disease has already infected the plant, you can treat it by pruning the affected parts and applying a fungicide.
Root Rot: This is a common problem in plants grown in poorly drained soil. It is caused by fungi that attack the roots, leading to their decay. To prevent root rot, ensure that the soil is well-drained and avoid over-watering the plant. If the plant is already infected, you can treat it by improving the soil drainage and applying a fungicide.
Pest Management
Cyrtandra ×axilliflora St. John & Storey is generally resistant to pests, but some common ones can still infest it. Here are some of the most common pests that can attack this plant and how to control them.
Aphids: These small insects feed on the sap of the plant, causing yellowing of the leaves and stunted growth. You can prevent aphid infestation by regularly inspecting the plant for signs of infestation and washing them off with a strong stream of water. You can also use insecticidal soaps, neem oil or other natural predators like ladybugs to control an infestation.
Spider Mites: These tiny pests cause yellowing and browning of the leaves, and can lead to defoliation. They usually appear when the air is dry and the humidity is low. You can prevent spider mite infestation by misting the plant regularly or increasing the humidity around it. You can also control them by applying insecticidal soap or neem oil.
Thrips: These pests are small, slender insects that feed on the leaves and flowers of the plant. They cause curling or distortion of the leaves, and can disfigure the flowers. You can prevent thrips infestation by practicing good hygiene and removing any dead or decaying plant material around the plant. You can also apply neem oil or use sticky traps to control them.
By following these disease and pest management techniques, you can keep your Cyrtandra ×axilliflora St. John & Storey healthy and thriving. Regular monitoring and care are key to preventing and controlling any issues that may arise.