PlantaeHighest rank in taxonomy. Groups all life into domains: Animalia, Plantae, Fungi, etc.IUCN LCInternational Union for Conservation of Nature — the world authority on species extinction risk, using standardized criteria. — Least Concern — widespread and abundant; not at immediate risk of extinction.ApprovedCurrent stage of this record in the editorial review workflow. Recent Sighting
Oncidium sphacelatum
Kandyan Dancer Orchid
Lindl., 1838
Detailed Texts Multi-lang
A robust, highly vigorous, large-statured epiphytic or lithophytic orchid that produces massive clumps of tightly packed, elongated, compressed, and distinctly sharply edged pseudobulbs, each topped with two to three long, strap-like, flexible leathery leaves up to one meter long. The species is visually renowned for its spectacular, giant, multi-branched cascading inflorescences (panicles) that can extend up to 1.8 meters in length. These panicles carry hundreds of tightly spaced, vibrant, brilliant yellow blossoms patterned with intricate, warm chestnut-brown to reddish spots; the flowers feature a highly prominent, flared trilobed lip that bears a striking resemblance to a traditional dancer's voluminous swirling skirt.
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Other Names (Global)Regional and multilingual names used for this species across different countries and languages.
Kandyan Dancer OrchidLluvia de oroGolden Shower OrchidBee Orchid
TaxonomyBiological classification ranks placing this species within the tree of life, from Kingdom down to Genus.
PhylumRank below Kingdom. Groups organisms sharing a fundamental body plan (e.g., Chordata = vertebrates and some invertebrates).Tracheophyta
ClassRank below Phylum. Subdivides by structural traits (e.g., Mammalia, Aves, Reptilia, Insecta).Magnoliopsida
OrderRank below Class. Groups related families sharing common ancestry (e.g., Carnivora, Primates).Asparagales
FamilyRank below Order. Groups closely related genera (e.g., Felidae = cats, Canidae = dogs).Orchidaceae
GenusRank just above Species. The first word in the two-part binomial scientific name.Oncidium
Taxonomic AuthorityThe scientist who first formally described and published this species, followed by the year of publication.Lindl., 1838
Record Completeness
93%Coming soon
Ecology & StatusHow this species lives: habitat preferences, diet, behavior, population status, and role in its ecosystem.
OriginWhether the species is native (evolved here), endemic (found only here), or introduced by human activity.
Native
Population TrendDirection of change in population size over time: increasing, stable, decreasing, or unknown.
Stable
Trophic RolePosition in the food chain: producer, herbivore, carnivore, omnivore, decomposer, or parasite.
Herbivore
Growth HabitPhysical form and structure of the plant: tree, shrub, herb, vine, epiphyte, aquatic, etc.
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Leaf TypeLeaf characteristics: deciduous (seasonal shed), evergreen, simple, compound, needle-like, etc.
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Flowering SeasonTime of year when this species typically reproduces or flowers.
Year Round
Recent SightingsWhether this species has been observed in the wild in Costa Rica within recent years.
Yes
Habitat SummaryOverview of the specific ecosystems and environments where this species is found in Costa Rica. Multi-lang
Native across an extensive tropical range throughout Mexico, Central America (Guatemala, Belize, El Salvador, Honduras, Nicaragua, Costa Rica), and down into Venezuela. It thrives as a resilient low-to-mid elevation epiphyte, colonizing the thick bark of large host trees along hot, humid lowland rainforest rivers, seasonal semi-deciduous woodlands, and secondary growth coffee plantations, adapting wonderfully to direct morning sunlight and high air circulation from sea level up to 1,000 meters.Light & Water NeedsSunlight intensity and moisture levels this plant needs to grow and reproduce successfully. Multi-lang
Information not available in English. Help us expand this record!BehaviourDaily activity patterns, movement, territory use, foraging style, and seasonal behavioral changes. Multi-lang
Grows as massive, heavy epiphytic masses that wrap fully around major tree forks, creating an insulating structure that buffers bark microclimates. The synchronized mass-flowering displays occur primarily in spring, painting whole canopies bright yellow. These enormous floral targets are engineered to attract massive aggregations of native bees, while the thick, interwoven mattress of aerial roots captures falling forest litter to form rich arboreal humus pools.Toxicity / UsesToxic compounds present and their documented effects on humans or other organisms. Multi-lang
Information not available in English. Help us expand this record!Physical Measures
Length (cm)
40.0 - 120.0 cm
Reproductive StructuresFlowers, fruits, and seeds — the reproductive organs and their seasonal appearance.
Flower Photos (Max 2)
No imageFruit Photos (Max 2)
No imageEvolutionary AdaptationsInherited traits and behaviors that improve the species' survival and reproduction in its specific environment. Multi-lang
Utilizes exceptionally dense, massive networks of white aerial roots covered in a thick layer of spongy velamen, allowing it to anchor securely onto slippery smooth riverbank bark and absorb sudden deluges of rain instantly.
Features large, heavily compressed pseudobulbs that maximize internal carbohydrate and water storage, ensuring the plant remains fully hydrated and capable of fueling its massive energy-intensive flowering spikes during seasonal dry periods.
Main ThreatsDocumented pressures reducing the population: habitat loss, hunting, disease, climate change, and invasive species. Multi-lang
Extensive clearing of riverside gallery forests and transitional lowlands for monocultures like oil palm, banana plantations, and cattle pastures, which fundamentally isolates and eliminates host tree networks.
Heavy local over-exploitation via wild collection for regional holiday festivities and market trade, as the massive golden-yellow sprays are highly sought after for temporary altar decorations and household garden enhancements.
Interesting FactsSurprising or notable facts that highlight what makes this species unique or ecologically important. Multi-lang
Its popular English common name, the 'Kandyan Dancer Orchid', stems from the dramatic shape of the individual flowers, where the flaring yellow lip looks like an ornate traditional Sri Lankan dancer skirt, and the side lobes mimic outstretched arms.
A single, highly mature specimen cluster of Oncidium sphacelatum can simultaneously explode into dozens of flower spikes, producing upwards of several thousand individual flowers all blooming in unison over a one-month timeframe.