Accepted name: Dendrochilum talamauense J.J.Sm., Bull. Jard. Bot. Buitenzorg, III, 5: 48 (1922)

Subgenus – Platyclinis. Section – Eurybrachium.


 

 

Synonyms

 

Jim Comber called this species Dendrochilum talamauensis.

 

Origin in the Wild

 

Sumatra

 

Elevation in the Wild

 

2,050-2,700 metres

 

Habitat in the Wild

 

This species has been collected from Lubuk Sikaping and Mount Talakmau/Mount Talamau in Western Sumatra.

 

The Plants Description

 

The pseudobulbs are spaced 1.2cm apart along the rhizome, shaped nearly cylindrical and are narrowed near their apices. The pseudobulbs measure 3-4cm long and 6mm in diameter. The leaves are petiolate; the petiole measures 1cm long. The leaf blades are shaped lanceolate, elliptic and distinctly narrow 6mm below the apices. The leaf blades measure 10-16cm long and 1.75-2.5cm wide.

 

Herbarium Specimens

 

Syntype

 

National Herbarium Netherlands (L)

 

Specimen L0058496 (photo)

 

Scent

 

I could find no record.

 

Flowering Season

 

The specimen at Leiden was collected in the wild during May.

 

The Inflorescence

 

The inflorescence is synanthous. The peduncle measures 7.5cm long and the rachis measures 6.75-15cm long. The flowers are spaced 6mm apart.

 

The Flowers

 

The flowers are large and green. The dorsal sepal is shaped lanceolate and has an acuminate apex. The dorsal sepal measures 1cm long and 3.5mm wide. The lateral sepals are shaped obliquely lanceolate and have long acuminate apices. The lateral sepals measure 1cm long and 3.5mm wide. The petals are shaped obliquely elliptic-oblong and have acuminate apices. The petals measure 7.5mm long and 3.8mm wide. The labellum is 3-lobed, recurved above the base and near the apex. The side lobes are short; the mid-lobe is shaped broadly ovate-triangular and is narrower basally. The labellum measures 7.25mm long, the side lobes are 4.2mm wide and the mid-lobe is 4.75mm wide. The margins on the labellum are erose. The labellum has two calli located between the side lobes and near their bases. The column is short, its apical hood is truncate and rounded. There are no stelidia on the column.

 

Culture

 

I do not think this species is in cultivation

 

Similar Species

 

Dendrochilum glossorhynchum

 

Additional Comments

 

J.J Smith considered this species to be close to Dendrochilum glossorhynchum but said it differed by having larger flowers, broadly ovate shaped bracts, and the erose and wider labellum.

 

Reference

 

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

 

World Checklist of Selected Plant Families. 01 September 2008. The Board of Trustees of the Royal Botanic Gardens, Kew. Published on the Internet; http://www.kew.org/wcsp/ accessed 01 September 2008.