Epipremnum amplissimum is an evergreen perennial vine climbing with pale, corky stem narrowly elliptic rather soft-textured leaves...
Epipremnum amplissimum, also called as Rhaphidophora amplissima, is a species of the genus Epipremnum. This species was described by Heinrich Gustav Adolf Engler in 18880.
IDENTIFY EPIPREMNUM AMPLISSIMUM
Epipremnum amplissimum is native from New Guinea to Vanuatu. It is found
growing in swampy situations often in open forest areas but also in rain
forest areas in Bismarck Archipelago, New Guinea, Queensland, Solomon Island,
Vanuatu at elevations of near sea level to 25 meters.
It is an evergreen perennial vine climbing with up to 3 cm in diameter, pale, corky stem and adventitious roots usually present and even the roots are clothed in pale corky bark. It is most often cultivated as a pre-adult plant at which stage the narrowly elliptic rather soft-textured leaves are jagged pale bluish grey splashes. As the plant matures the leaves become longer and broader and develop a harder texture while the variegation mostly disappears, although occasionally a mature plant may retain some traces of these grey markings.
This species blooms from the inflorescence including cream, about 20-25 cm long spathe that enclosing a spadix about 20 cm long. The flowers densely packed, each about 7 mm in diameter. The infructescence are about 20-22 cm long on a stalk about 7 cm long.
EPIPREMNUM AMPLISSIMUM CARE AND CULTURE
Cultural information should only be used as a guide, and should be to be adapted to suit you. Your physical location; where you grow your plants, how much time you have to devote to their care, and many other factors, will need to be taken into account. Only then can you decide on the cultural methods that best suit you and your plants.
Light:
Epipremnum amplissimum grow best in medium to bright indirect light with light level of 10000-20000 lux. While it is tolerant of lower light conditions, you may notice leggy growth as a result. It can withstand 3 hours of direct sunlight but the plant should avoid to get too much direct sun because the leaves will burn. Dappled sunlight is ideal.
Temperature:
The plant can grow in USDA zone 11-13. It prefers average to warm temperatures of 18-29 °C. Do not expose the plant to temperatures below 15 °C even for a short time because cold air will damage the foliage. Avoid cold drafts and sudden temperature changes.
Humididty:
Epipremnum amplissimum grow best with the humidity level of 50% - 60%. It will thrive in almost any environment, but if you want to give it a special treat, gently mist it once a week. It's best to mist your plant in the morning so the water has plenty of time to evaporate before evening.
Substrate and growing media:
This vines need a well-aerated, quick-draining potting soil that dries out quickly. It thrive in moist soils with high organic matter and grow best when provided with a mossy post or burlap wrapped pole to climb. If given a trellis, it will climb and its leaves will become bigger and more fenestrated.
You can use a blend of large-chunk orchid bark, coarse-grade perlite, and peat moss at equal ratios; and then add about 10% charcoal which helps remove toxicities that can build up (over many months) in the potting mix.
Watering:
Water the plant once weekly. Allow the potting mix to dry out before watering. Water more frequently during warmer months and growth season. Generally, the plant will droop to show that it needs more water. Do not overwater or keep the soil wet for too long, as this will encourage root rot. If the leaves are yellowing due to overwatering, skip a week or two of watering.
Fertilizer:
Feed the plant between every two weeks and once per month during their growing season with a balanced houseplant fertilizer diluted to half strength. In the late fall and winter, when growth has slowed down, and the plant is dormant, do not fertilize your plant. Too much fertilizer can burn the foliage of your plant. Before applying fertilizer in any form, make sure the soil is damp.
Pruning:
Trim aerial roots if the plant get too unruly for the space, though tucking them back into the pot is preferred. Unlike some other houseplants, their roots do not damage surfaces.
Pests and diseases:
Wiping dust or debris with a damp sponge or paper towel will keep the plant clean and avoidant of pests. Common pests include mealybugs, aphids, thrips, scale and spider mites. If any are found on the foliage, spray the plant with a direct water stream. Leaves can also be washed with insecticidal soap.
The plant can also develop bacterial diseases such as leaf spot and root rot. Examine the plant periodically for signs of disease and use recommended fungicide and destroy the affected leaves. Correct application and timing are critical.
Propagation:
Epipremnum amplissimum can be propagated by stem cuttings. Stem sections of 10-15 cm long, after removal of leaves, can be placed on a tray filled with an open, humus-rich soil mix at a minimum temperature of 22°C. Rooting takes place in about 2 weeks, and new growth begins from the nodes in about 4 weeks. Once growing strongly, the stem section can be cut into pieces, each bearing a rooted portion, and planted individually.
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