Accepted name: Dendrochilum ventricosum J.J.Sm., Bull. Jard. Bot. Buitenzorg, III, 5: 42 (1922)

Subgenus – Platyclinis. Section – Eurybrachium.






Origin in the Wild




Elevation in the Wild


1300 – 1450 metres


Habitat in the Wild


This endemic species from Sumatra has mainly been collected on Mount Talang.


The Plants Description


The pseudobulbs measure 1.5-3.4cm long. The leaves are petiolate, the petiole measures 0.25-1.8cm long. The leaf blades are shaped narrowly lanceolate. The leaf blade measures 5.25-18cm long and 0.65-1.9cm wide.


The Inflorescence


The inflorescence is synanthous. The peduncle measures 6.5-13.5cm long. The rachis is shorter and flattened. The flowers are spaced 2-5mm apart.


The Flowers


The flowers are green. The sepals are joined at their base. The dorsal sepal is shaped oblique to narrowly lanceolate and has an acute apex. The dorsal sepal measures 7.75mm long and 1.75mm wide. The lateral sepals are shaped obliquely and narrowly lanceolate. The lateral sepals are as long as the dorsal sepal and measure 1.4mm wide. The petals are erect and held against the dorsal sepal. The petals are shaped obliquely oblong and have acuminate apices. The apical margins are slightly erose. The labellum is entire, hairy and measures 6.6mm long and 3.6mm wide. The labellum is shaped rhomboid and has an acuminate to acute apex. There are two basal keels. The column measures 1.5mm long. The apical hood is shaped quadrangular and has a truncate apex, its margins is erose. The stelidia grow from below the middle of the column and exceed the apical hood.


Herbarium Specimens






Specimen 98812 (photo)

Specimen 98813 (photo)





National Herbarium Netherlands (L)


Specimen L0058485 (photo)

Specimen L0058486 (photo)




I could find no record.


Flowering Season


Flowering plants have been collected in the wild during November.




I do not think this species is in cultivation


Similar Species


Dendrochilum edentulum


Other Information


J.J Smith wrote that this species is similar to Dendrochilum edentulum but differs by the bracts that wrap the flower bases and the labellum that is ventricose above the base.




COMBER, J.B. Orchids of Sumatra, 2001, Royal Botanic Gardens Kew


World Checklist of Selected Plant Families. 03 November 2008. The Board of Trustees of the Royal Botanic Gardens, Kew. Published on the Internet; accessed 03 November 2008.