Accepted name: Dendrochilum stenochilum Schltr., Repert. Spec. Nov. Regni Veg. 9: 339 (1911)

Subgenus – Platyclinis. Section – Platyclinis.


 
 

Synonyms

 

None

 

Origin in the Wild

 

Sumatra

 

Elevation in the Wild

 

360 metres

 

Habitat in the Wild

 

This species was collected by Beccari in Air Mancur the former residency in Padang. Further collections have been made at Rimbo Pengadang and Gunung Singalang.

 

The Plants Description

 

This species achieves a height of 30-40cm. The rhizomes are creeping but short. The pseudobulbs are shaped cylindrical, terete and measure 5.5cm long and 0.5-0.7cm in diameter. The leaves are petiolate; the petiole measures 3cm long. The leaf blades are shaped linear-lanceolate and have acute apices. The leaf blades measure 18-25cm long and 1.0-1.8cm wide.

 

The Inflorescence

 

The inflorescence is synanthous and grows with the leaf but before the pseudobulb develops. The rachis is nodding.

 

The Flowers

 

The flowers are small. The sepals are shaped lanceolate and have acuminate apices. The sepals measure 4.5mm long. The lateral sepals are oblique. The petals are shaped oblique and have acuminate apices. The petals are smaller than the sepals. The labellum is entire, shaped narrowly lanceolate and has an acute apex. The labellum is narrower above its middle section. The labellum measures 3.8mm long and 1mm wide. There are two keels that run ¾ of the length of the labellum. The column measures 2mm long; its apical hood has a four dentate margin. The stelidia grow from the middle of the column and either reach or just exceed the apical hood. The stelidia are shaped lanceolate, falcate.

 

Herbarium Specimens

 

Holotype

 

I could not locate the type

 

 

Isotype

 

National Herbarium Netherlands (L)

 

Specimen L0058472 (photo)

 

 

Other herbarium Specimens

 

National Herbarium Netherlands (L)

 

Specimen L0322750

Specimen L0322751

Specimen L0322752

Specimen L0322753

Specimen L0322764

 

AMES

 

Specimen 98807 (Drawing from the type)

 

Royal Botanic Gardens, Kew (K)

 

Specimen K000079134 (photo) (unknown type material)

 

Scent

 

I could find no record

 

Flowering Season

 

Flowering plants have been collected in the wild during August

 

Culture

 

I do not think this species is in cultivation

 

Similar Species

 

Dendrochilum simile

Dendrochilum beccarii

Dendrochilum odoratum

 

Other Information

 

Jim Comber wrote that the flowers are similar to Dendrochilum simile. Schlechter compared this species to Dendrochilum simile however this species differs by its smaller flowers, quadentate apical hood and entire stelidia. Dendrochilum simile has a bilobed apical hood and a tooth on each stelidia.

 

Reference

 

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

 

SCHLECHTER, R. 1911, Repert. Spec. Nov. Regni Veg. 9: 217-266

 

World Checklist of Selected Plant Families. 24 November 2008. The Board of Trustees of the Royal Botanic Gardens, Kew. Published on the Internet; http://www.kew.org/wcsp/ accessed 24 November 2008.