Hoya clemensiorum Kalimantan (Clone 2) – Information and Plant Care:
 
Introduction:
Hoya clemensiorum Kalimantan (Clone 2) is a unique form of Hoya clemensiorum T.Green, admired for its remarkable foliage and robust growth habit. Originating from the rich, diverse rainforests of Kalimantan, this clone stands out with its impressive leaf size and captivating leaf pattern. The thick, lanceolate leaves can reach up to 20 cm in length, making it a prominent feature in any plant collection. The foliage exhibits a striking contrast between the light green leaf blade and the deep, dark green veins, enhancing its ornamental value. This contrast gives Hoya clemensiorum Kalimantan (Clone 2) a distinct, almost sculptural appearance. It is an excellent choice for plant enthusiasts who appreciate dramatic foliage and are looking for a hardy, easy-to-care-for plant that brings a touch of the exotic indoors.
 
 
Features:
 
Leaf Size: Hoya clemensiorum Kalimantan (Clone 2) is notable for its large leaves, which can grow up to 20 cm long. This characteristic makes it one of the more imposing Hoya varieties.
Leaf Shape and Texture: The leaves are thick, leathery, and lanceolate, providing a substantial feel and a strong visual presence. The elongated shape with a pointed tip adds an elegant, graceful quality to the plant.
Venation: One of the most striking features of this clone is its venation. The dark green veins create a beautiful contrast against the lighter green leaf blade, making the leaf patterns stand out vividly.
Growth Habit: This Hoya typically grows in a climbing or trailing manner, making it ideal for hanging baskets or training on a trellis, where its long vines can be showcased beautifully.
Flowers: Although the foliage is the primary attraction, Hoya clemensiorum Kalimantan (Clone 2) can produce small, star-shaped flowers typical of the genus, often in clusters and usually pale in color.
 
Hoya clemensiorum Kalimantan (Clone 2) Plant Care:
Caring for Hoya clemensiorum Kalimantan (Clone 2) is straightforward if its natural habitat is considered. Follow these tips for optimal growth:
 
Light: Prefers bright, indirect light. It can handle some direct sunlight, but too much exposure can cause leaf burn. Position near a window with filtered light for best results.
Watering: Water thoroughly when the top 2-3 cm of soil are dry. Allow the soil to dry out between waterings to prevent root rot, as this Hoya is sensitive to overwatering.
Soil: Use a well-draining, airy potting mix. A mixture of orchid bark, perlite, and peat moss works well to ensure proper drainage and aeration.
Humidity: Although not particularly demanding, Hoya clemensiorum Kalimantan (Clone 2) thrives in higher humidity levels. Maintain humidity around 60-70% to support healthy growth.
Temperature: Keep this Hoya in a warm environment, ideally between 18-25°C. Protect from cold drafts and temperatures below 15°C, as these can harm the plant.
Fertilization: Feed with a balanced, diluted liquid fertilizer every 4-6 weeks during the growing season. Avoid over-fertilizing, which can lead to nutrient burn and root damage.
 
 
Common Issues and Solutions:
Overwatering: The most common issue for Hoya clemensiorum Kalimantan (Clone 2) is root rot due to excessive watering. Ensure the soil dries out between waterings and use a well-draining mix to prevent this problem.
Yellowing Leaves: Often a sign of overwatering or insufficient light. Adjust watering habits and provide more light to resolve this issue.
Pests: Can be affected by pests such as mealybugs, spider mites, and scale. Regularly check for signs of infestation and treat with insecticidal soap or neem oil if necessary.
Drooping Leaves: This can indicate underwatering or low humidity. Check the soil moisture and increase humidity levels as needed.
 
 
Additional Tips:
 
Support: To showcase its natural climbing or trailing growth, provide support such as a trellis or a moss pole. This will allow the plant to grow vertically and display its impressive foliage.
Propagation: Hoya clemensiorum Kalimantan (Clone 2) can be easily propagated from stem cuttings. Use a sterile cutting tool and place the cuttings in water or a well-draining potting mix to encourage rooting.
 
 
Research and Growing Conditions:

Understanding the natural habitat of Hoya clemensiorum Kalimantan (Clone 2) can greatly improve its care. Originating from the humid, shaded environments of Kalimantan's rainforests, this plant thrives in conditions that mimic its native habitat. Providing similar light, humidity, and watering conditions will not only help the plant survive but also flourish, showcasing its true beauty.
 
 
Etymology:
The genus Hoya is named in honor of Thomas Hoy, an 18th-century English gardener and botanist. His contributions to the cultivation and study of plants during his time were significant, and his name now lives on through these beautiful, diverse species. The species name "clemensiorum" pays tribute to the Clemens couple, early 20th-century explorers and botanists who collected plant specimens in Borneo, where this Hoya is native.