Dendrochilum cobbianum
Encyclopedia
Cobb's Dendrochilum described by Heinrich Gustav Reichenbach
Heinrich Gustav Reichenbach
Heinrich Gustav Reichenbach was an ornithologist, botanist and the foremost German orchidologist of the 19th century...

 in 1880, is an epiphytic orchid occurring in the Philippines, growing on moss-covered trees. It can sometimes occur as a lithophyte growing on rocks at altitudes above 1200 m.

It possesses white to green-white, creamy flower
Flower
A flower, sometimes known as a bloom or blossom, is the reproductive structure found in flowering plants . The biological function of a flower is to effect reproduction, usually by providing a mechanism for the union of sperm with eggs...

s with yellow throats that emerge alongside new growth. This flowers have a diameter of 1.8 cm, rather large for this genus. They are fragrant with the scent of new mown hay. When in bloom a multitude of flowers are contained on arching inflorescence
Inflorescence
An inflorescence is a group or cluster of flowers arranged on a stem that is composed of a main branch or a complicated arrangement of branches. Strictly, it is the part of the shoot of seed plants where flowers are formed and which is accordingly modified...

s, with a length of about 50 cm.

A single lanceolate leaf
Leaf
A leaf is an organ of a vascular plant, as defined in botanical terms, and in particular in plant morphology. Foliage is a mass noun that refers to leaves as a feature of plants....

 with prominent midrib sprouts from a conical, yellow pseudobulb
Pseudobulb
The pseudobulb is a storage organ derived from the part of a stem between two leaf nodes.It applies to the orchid family , specifically certain groups of epiphytic orchids, and may be single or composed of several internodes with evergreen or deciduous leaves along its length.In some species, it is...

.

This species is easy to grow and generally prefers intermediate temperatures and moderate light. It will generally grow very fast, usually doubling in size every year.

There are several cultivars available :
  • Dendrochilum cobbianum 'Chartreuse Sentinel' (large flowers, sturdy succulent leaves)
  • Dendrochilum cobbianum 'Fat Leaf' (chartreuse flowers with yellow lip)
  • Dendrochilum cobbianum "Gold Chain" (with glittering, golden, fragrant flowers)
  • Dendrochilum cobbianum "Green white" (with long spikes of fragrant, green-white flowers)
  • Dendrochilum cobbianum 'Sentinel 1' (yellow flowers)
  • Dendrochilum cobbianum 'Sentinel's Poco' (miniature creamy flowers with yellow lip)
  • Dendrochilum cobbianum "Yellow Sentinel" (yellow flower with darker yellow lip)
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