Accepted name: Dendrochilum minimiflorum Carr, Gard. Bull. Straits Settlem. 8: 90 (1935).

Subgenus – Platyclinis. Section – Eurybrachium.


 
 

Synonyms

 

None

 

Origin in the Wild

 

Sarawak

 

Elevation in the Wild

 

1000-1750 metres

 

Habitat in the Wild

 

This species, only recorded from Sarawak has been found in the Limbang District along the trail from Bario to Batu Lawi. This plant has also been recorded from Marudi District on Mount Dulit along the Dulit Ridge. This plant has been found in the Kelabit Highlands, on Bukit Batu Buli.

 

The habitat has been recorded as sand forest and lower montane mossy ridge forest.

 

The Plants Description

 

The pseudobulbs clump on a creeping but short rhizome. The pseudobulbs are caespitose, coloured chestnut brown and shaped ovoid and rugulose. The pseudobulbs measure 0.5-0.9cm long and 0.4-0.5cm in diameter. The pseudobulbs are covered by three cataphylls while they are growing. The cataphylls disintegrate into persistent fibres as the pseudobulbs mature. The leaves are petiolate; the petiole measures 0.3-1.5cm long. The leaf blades are shaped narrowly linear to linear-oblanceolate and have acute apices. The leaf blades measure 2.75-7.5cm long and 0.15-0.2cm wide.

 

The Inflorescence

 

The peduncle is erect and measures 3.0-8.5cm long. The rachis is erect to slightly curved and measures 2.4-5cm long. The rachis is quadrangular in cross-section. The flowers alternate distichously and are spaced 0.5-1mm apart. There is 1 non-floriferous bract at the base of the rachis.

 

The Flowers

 

The flower colours are described as pale yellowish-green the labellum is reddish brown and has red keels; the column is either chestnut brown or pale brown and has a darker brown tip. The sepals and petals spread widely. The dorsal sepal is shaped oblong-ovate or ovate-elliptic and has an abruptly acuminate or acute apex. The dorsal sepal measures 1.5mm long and 0.9mm wide. The dorsal sepal has an entire margin and is one veined. The lateral sepals are shaped oblong-ovate or ovate-elliptic and have obtuse, acute or shortly acuminate apices. The lateral sepals measure 1.3mm long and 0.8mm wide. The laterals have entire margins and are one veined. The petals are shaped broadly ovate or ovate-elliptic and have shortly acuminate or obtuse apices. The petals measure 1.3mm long and 0.8mm wide. The petals have entire margins and are one veined. The labellum is obscurely lobed and shaped cymbiform-cupulate with a cuneate base. The side lobes are tiny, shaped triangular and have obtuse apices. The mid-lobe is concave and acutely apiculate in its centre. The margins on the labellum are entire and there is one longitudinal nerve. The column is shaped oblong and measures 0.4mm long. The column has a truncate apex or is very obscurely 3-lobed. The stelidia emerge from the base of the column and do not exceed the apical hood. The stelidia are shaped oblong to triangular and have obtuse apices; the stelidia measure 0.3mm long.

 

Herbarium Specimens

 

Holotype

 

SING

 

 

Isotype

 

Royal Botanic Gardens, Kew (K)

 

Specimen K000078218 (photo)

Specimen K000078219 (drawing)

 

 

Other herbarium specimens

 

National Herbarium Netherlands (L)

 

Specimen L0269661

 

Royal Botanic Gardens, Kew (K)

 

Specimen 70053.000

Specimen 60720.000

Specimen 62167.000

 

Scent

 

Unscented, or with a very slight sweet scent.

 

Flowering Season

 

Flowering plants have been collected in the wild during March and from September to October.

 

Culture

 

I do not think this species is in cultivation outside of a herbarium. I know the National Herbarium in the Netherlands have a plant at the Hortus Botanicus.

 

Similar Species

 

No similar species

 

Other Information

 

Jeffrey Wood wrote, upon examining a living plant in Leiden, that Carr’s description was incorrect. Carr described the labellum as entire when the labellum is actually obscurely 3-lobed. Carr wrote that there were rounded calli at each side of the base. These calli are actually small thickenings on the inside of the side lobes.

 

This species was not recorded from 1932 until 1998 when the team at the NHNL collected the specimen now within the living collection at the Hortus Botanicus in Leiden.

 

Reference

 

BEAMAN, Teofila, WOOD, Jeffrey, BEAMAN, Reed, BEAMAN, John. 2001, Orchids of Sarawak, Natural History Publications Borneo, Kota Kinabalu, Malaysia.

 

WOOD, Jeffrey. Dendrochilum of Borneo, 2001. Natural History Publications (Borneo), Malaysia.

 

World Checklist of Selected Plant Families. 02 March 2009. The Board of Trustees of the Royal Botanic Gardens, Kew. Published on the Internet; http://www.kew.org/wcsp/ accessed 2 March 2009.