Accepted name: Dendrochilum copelandii (Ames) Ames, Orchidaceae 2: 12 (1908).


Subgenus – Platyclinis. Section – Eurybrachium


 
 
 

Synonyms

 

Acoridium copelandii Ames, Proc. Biol. Soc. Wash. 19: 153 (1906).

 

Origin in the Wild

 

Mindanao

 

Elevation in the Wild

 

Not known

 

Habitat in the Wild

 

Not known

 

The Plants Description

 

This species clumps and has oblong shaped pseudobulbs that measure 3.3-4.3cm long. The Cataphylls are not known. The leaves are petiolate; the petiole measures 4-5cm long. The leaf blades are shaped lanceolate and have acuminate, obtuse-subacute apices. The leaf blades measure 9-17cm long and 1.8-2.5cm wide.

 

The Inflorescence

 

The peduncle measures 8-9cm long. The rachis measures 10cm long. The flowers are spaced 1mm apart.

 

The Flowers

 

The sepals and petals open widely. The dorsal sepal has entire margins. The lateral sepals are shaped ovate-lanceolate and have acute apices. The lateral sepals measure 2.5mm long. The lateral sepals are 3 veined and have entire margins.  The petals are shaped oblong and have acute apices. The petals measure 2mm long and have entire margins. The labellum is pendent, ecallose and entire. The labellum is shaped broadly lanceolate with obtuse or subacute apices. There are no ornaments on the labellum. The column measures 1.5mm long. The apical hood is three dentate. The stelidia grow upwards from the top of the column and are slightly shorter than the lateral lobes of the apex.

 

Herbarium Specimens

 

Holotype

 

Philippine National Herbarium (PNH)

 

Specimen - destroyed

 

Isotype

 

AMES

 

Specimen 29 (photo) (Holotype fragment)

 

Other herbarium specimens

 

Kew Botanical Gardens (K)

 

Specimen 71529.000

 

Scent

 

No

 

Flowering Season

 

Unknown

 

Culture

 

I don't think this species is in cultivation

 

Similar Species

 

Dendrochilum convallariaeforme

Dendrochilum mearnsii (see this page for the differences)

Dendrochilum graciliscapum

 

Additional Comments

 

Ames compared this species to Dendrochilum bistortum (convallariaeforme). Henrik Pedersen wrote that (1997) Ames was led by a poor illustration of Dendrochilum bistortum. Pfitzer and Kränzlin added Dendrochilum copelandii as a synonym of Dendrochilum convallariaeforme a decision Pedersen disagreed with. Pedersen wrote (1997) that Ames description does not fit with Dendrochilum convallariaeforme and the two species do not appear to be closely related. Ames, when describing Dendrochilum mearnsii (1908) wrote that this species appeared closer to Dendrochilum copelandii a decision Pedersen agreed with.

 

Henrik Pedersen wrote that the holotype was destroyed during the Second World War (Pedersen 1997).

 

Reference -

 

AMES, Oakes. 1908, Illustrations and studies of the Family Orchidaceae Facsimile 2, Ames Botanical Laboratory, North Easton, Massachusetts, Boston.

 

PEDERSEN, Henrik. 1997, The Genus Dendrochilum (Orchidaceae) in the Philippines - A Taxonomic Revision. Opera Botanica, Denmark.

 

World Checklist of Selected Plant Families. 30 July 2008. The Board of Trustees of the Royal Botanic Gardens, Kew. Published on the Internet; http://www.kew.org/wcsp/ accessed 30 July 2008.