Dinema polybulbon
TAXONOMY
FamilyOrchidaceae
GenusDinema
Zone11
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Dinema polybulbon is a small, pseudobulb-forming epiphytic orchid (family Orchidaceae) native to humid tropical forests of Central America, where it grows attached to trees in consistently humid conditions with good air movement. It is often grown mounted or in very airy orchid media, producing compact growths with clustered pseudobulbs and small flowers. It does not have a true required dormancy, but growth rate can slow in cooler or darker months.
ALSO KNOWN AS
Bulbophyllum Occidentale
Butterfly Orchid
Small Bulb Orchid
Dinema cubincola
Encyclia polybulbon
Epidendrum cubincola
Epidendrum polybulbon
Epidendrum polybulbon var. luteoalbum
Epidendrum polybulbon var. luteo-album
Mexican butterfly orchid
OVERVIEW
VPDCalculate
WaterWet
SoilPeaty
LightIndirect Bright (12 Hours)
Temperature22° C
Humidity75%
pH5.8
Pressure1,013 mbar
DETAILS
Care Instructions
Provide bright, filtered light (avoid harsh midday sun), warm to intermediate temperatures, and high humidity with constant gentle airflow. Water regularly so the roots do not stay bone-dry for long, but avoid stagnant conditions; in lower light or cooler periods, let it dry a bit more between waterings. Keep conditions stable and avoid repeated stress from overheating, cold drafts, or long dry spells.Soil
As an epiphyte, it should not be kept in dense potting soil. Use a very open, fast-draining orchid mix (commonly fine bark with sphagnum/peaty components, plus perlite/charcoal) or grow mounted with a moisture-retentive pad of sphagnum. The goal is moisture with plenty of air around the roots; the medium should drain quickly and be replaced when it breaks down.Fertilizer
Fertilize lightly during active growth with a balanced orchid fertilizer at low strength, flushing with plain water periodically to prevent salt buildup. Reduce feeding when growth slows and always avoid heavy fertilizing in low light.Repotting
Repot when the medium starts to decompose, drainage/aeration declines, or the plant outgrows the container. Repotting is best done as new roots begin to grow so it re-establishes quickly; use a small pot or mount and keep the rhizome near the surface for airflow.Propagation
Propagate by division of the clump, ideally when new growth is starting. Keep several pseudobulbs per division so each piece has enough stored energy and roots to recover, and maintain high humidity and gentle airflow while it re-roots.Pruning
Pruning is generally not required; remove only dead or yellowed leaves and spent flower spikes once they are fully finished. Avoid cutting healthy green tissue.Toxicity
Orchids like Dinema are generally regarded as non-toxic to cats, dogs, and humans, and Dinema polybulbon is not commonly listed as a poisonous plant. Still, ingestion can cause mild stomach upset in some pets, so it’s best to discourage chewing.Additional
Because this orchid likes humid conditions but also needs oxygen at the roots, prioritize airflow and an airy medium/mount. Use low-mineral water when possible and flush the medium regularly to reduce fertilizer salt accumulation.REVOLUTIONIZE YOUR PLANT CARE
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