Zelenkoa onusta

Zelenkoa onusta

Scientific Classification
Kingdom: Plantae
Division: Magnoliophyta
Class: Liliopsida
Order: Asparagales
Subfamily: Epidendroideae
Tribe: Cymbidieae
SubTribe: Oncidiinae
Genus: Zelenkoa
Species: Z. onusta
Binomial name
Zelenkoa onusta
M.W.Chase & N.H.Williams 2001

Zelenkoa onusta is an epiphytic orchid from South America. It use to be called Oncidium onusta, But was moved to its own genus by Chase and Williams in 2001.


The plant depends on fog for water in the wild. Plant blooms from summer to fall and flowers are yellow and 2 cm wide.


Zelenkoa onusta is a desert growing epiphyte that grows on cacti of Ecuador and Peru. Plant is found in elevations of 25 to 1200 meters.


Zelenkoa onusta plate

A plate of Zelenkoa onusta

Plant prefers intermediate temperature and is grown in bright light. The plant is best mounted or grown in a well drain mix. To water the plant spray the root system. After blooming reduce watering and fertilizing until new bloom is seen.


Common name:The Luxurious Zelenkoa


  1. Oncidium onustum Lindley 1833
  2. Oncidium holochrysum Rchb. f. 1862