Dendrobium longicornu

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A small-sized, epiphytic orchid with 30cm long, cane-like stems. The stems (pseudobulbs) are covered with thin, green, leaf-bearing sheath covered densely with short black hair. They are arranged alternately along the nodes on the stems, carrying semi-deciduous, lance-shaped leaves up to 7cm long and 1.4cm wide. Short flowering stems carry one to three, long-lasting, fragrant flowers. Each flower is 3-4cm across, white with yellow or orange veined lip.

Dendrobium longicornu

Scientific classification

Species
Dendrobium longicornu (Dendrobium longicornu)
Genus
Dendrobium
Family
Orchidaceae
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Toxicity
Conservatory Greenhouse
Plant type
0.1-0.5 metres
Height
0.1-0.5 metres
Spread
Deciduous · Semi evergreen
Foliage
Clump forming · Columnar upright · Tufted
Habit
Autumn · Winter · Spring · Summer
Season of interest
Partial shade · Full sun
Sunlight
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Ideal temperature

Dendrobium longicornu pictures

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Distribution of Dendrobium longicornu

Distribution map

Himalayas to Myanmar, China, Vietnam

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Culture

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Toxicity

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Quick identification of Dendrobium longicornu

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Dendrobium longicornu care guide

Keep potting medium lightly moist, never stagnant, with generous airflow
Watering
Partial shade · Full sun
Sunlight
Information to be completed
Ideal temperature

Watering

Keep potting medium lightly moist, never stagnant, with generous airflow

Fertilizing

Half-strength orchid feed every two to three weeks during active growth

Pruning

No pruning required. Remove spent flowers as necessary, but do not cut the whole cane unless completely shrivelled. Oldest canes may be removed as long as there are enough, younger, thick, leaf-bearing canes on the plant.

Propagation

Propagation by seed is only possible in controlled laboratory environment. Mature plants may be divided when the plant overgrows the pot. Sideshoots (keiki) may develop on older canes - remove and pot them into sphagnum moss when the new roots are at least 2cm long.

Growing

Grow potted in an epiphytic, medium grade, bark-based potting mix with added perlite, moss, or coir. As with many orchids, they grow best when the roots are slightly restricted. Therefore, avoid over-potting or frequent root disturbance. Provide bright light conditions throughout the year. The average temperatures in summer are 25-30°C during day and 16-20°C at night time. Minimum growing temperatures in winter are 10-13°C. Plant requires frequent watering and relatively high humidity during spring and summer months and a slightly drier conditions in winter - reduce watering and feeding in October, but do not leave plant dry for long period of time. See indoor orchid cultivation

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Common pests and diseases

Diseases

Generally disease-free.

Pests

May be susceptible to scale insects, aphids, mealybugs and red spider mite.

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