8813 Onc. altissimum photo by Alex Maximiano

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Orchid Species: Oncidium altissimum

Oncidium altissimum is an orchid species identified by (Jacq.) Sw. in 1800.
Oncidium (Onc.)
(name currently accepted by Kew)
(Jacq.) Sw.
ORIGIN: Found in the Lesser Antilles Islands of Martinique, Trinidad and St. Vincent at altitudes of sea-level to 200 meters.

DESCRIPTION: Medium sized, pseudobulbous, hot growing epiphyte with clustered to ovoid to suborbicular, laterally compressed, rugose with age pseudobulbs enveloped basally by several imbricating leaf-bearing sheaths and carrying 2 apical, oblong-ligulate, acute, conduplicate below into the petiole-like base leaves that blooms in the spring on a basal, arcuate, branched, 6' [180 cm] long inflorescence that has many, glossy flowers.

FLOWER SIZE: 1 inch [2.5 cm] -- information provided by Jay Pfahl, author of the Internet Orchid Species Encyclopedia (IOSPE).
Other Names
Genus Name Genus Grex Name Origin
Add+ Epidendrum Epi altissimum
Add+ Oncidium Onc forkelii
Add+ Xeilyathum Xeilyathum altissimum
Most awarded/recent cultivars: Onc. altissimum 'Charles' (2 awards from 1966 to 1969) Onc. altissimum 'Linda' (2 awards from 1962 to 1965) Onc. altissimum 'Cathleen' (2 awards from 1963 to 1964) Onc. altissimum 'Kathie' (2004) Onc. altissimum 'Van's Yellow Jacket' (1993) Onc. altissimum 'Dottie' (1991) Onc. altissimum 'Ruby' (1972) Onc. altissimum 'Fantasia' (1963) Onc. altissimum 'Hermosa' (1961)
Articles Published in ORCHIDS.ORG Likes
ONCIDIUM ALTISSIMUM: Problem Plant: Culture Required by Robert M. Hamilton (Compiler). It responds to cattleya culture; fertilize with 1/2 tpg. of 30-10-10 fortnightly; let the medium get dry between heavy waterings; give them high humidity. A71-535 0
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Newest Site Articles


Orchids and Freaky Weather

Posted by Sys Admin 17 days ago As predicted by scientists, freaky weather conditions have become more frequent. Last year, we had very heavy and continuous rains. So much so that even the orchids were struggling. The pests were ... Read More
Temperature couleurs

Temperature Stress In Orchids

Posted by Sys Admin 17 days ago Orchids can be found growing all over the world, with a few exceptions of course. They grow in temperate as well as tropical regions. Depending upon their natural home, every orchid is adapted to t... Read More

New Topics

  1. 20180723 201240 James Bixler started topic Eulophia andamanenis in category General Discussion
  2. Jackie Hartter asked question Oncidium cheirophorum in category General Discussion
  3. 20180723 201240 James Bixler asked question Another blooming "Unknown" in category Beginners

New Comments

  1. Image Carol Holdren commented on member plant Lc. Canariensis by Steven Underwood
  2. Jean-Pierre ECOFFEY commented on topic "Eulophia andamanenis" by James Bixler
  3. Bio Alex Maximiano commented on member plant Paph. Prime Child by Jeanne M Uzar
  4. Rainer Birthelmer commented on member plant Spe. stumpflei by Rainer Birthelmer
  5. Rainer Birthelmer commented on member plant Pths. stumpflei by Rainer Birthelmer
  6. Rainer Birthelmer commented on member plant Muscarella. stumpflei by Rainer Birthelmer
  7. Bio Alex Maximiano commented on member plant C. Chyong Guu Swan var. Ruby Lip by Mary Lane
  8. Bio Alex Maximiano commented on topic "Oncidium cheirophorum" by Jackie Hartter
  9. 92f7c225 2490 4d3b 822c 2f4b8f30d6b8 Mary Lane commented on member plant V. denisoniana var. Orange form by Mary Lane
  10. Bio Alex Maximiano commented on member plant Rlc. Green Dragoon 'Mendenhall' by Jeanne M Uzar