LOCATION
Clings to rocks and trees or roots loosely in humus on cliffs at elevations of  0 - 1400m in the Philippines.
 PLANT DESCRIPTION
Yellowish green leaves up to 45 cm long and 5 cm wide. Lacks tessellation.

FLOWER DESCRIPTION
INFLORESCENCE
Extends to 50cm in height and bears 2-4 flowers.
DORSAL SEPAL
Cream to white, suffused with yellow green in the centre, boldly spotted with maroon basally and suffused marginally with pale purple. Obovate or ellipical in shape.
VENTRAL SEPAL
Yellow green basally spotted with maroon. Elliptical shape.
PETALS
Spatulate petals arch and execute a quarter spiral. Apices may be acute or obtuse. Yellow green and boldly spotted with maroon proximally. Distal margins are flushed rose or purple.
LABELLUM
Khaki coloured, veined darker green and bears a frontal flush of purple.

FLOWERING SEASON
Late Winter and early Spring.

 hennisianum

Syn.

hennisianum = barbatum  subspec. lawrenceanum
      var. hennisianum
hennisianum  var. fowliei = fowliei
barbatum  var. hennisianum = hennisianum
fowliei = hennisianum  var. fowliei
 

LOCATION
Terrestrial, rooted in deep humus at elevations of 650-1,050 m on the Philippine Islands.

PLANT DESCRIPTION
Lightly tessellated and measure up to 18 cm long and 4cm wide.

FLOWER DESCRIPTION
INFLORESCENCE
Single flowered and reaches a height of 32cm.
DORSAL SEPAL
White and prominantly striped with green. Broadly ovate and apically acute.
VENTRAL SEPAL
Elliptic in shape. Similar in colour to the dorsal.
PETALS
Recurved petals bears marginal warts. The white petals are veined with green and suffused with rose towards the apices.
LABELLUM
Pale chestnut brown to rich purplish mahogony.

FLOWERING SEASON
Spring.

 henryanum

LOCATION
Found as an ephiphyte near the Vietnamese border in China.

PLANT DESCRIPTION
Leaves up to 17cm in length. Leaves are green and devoid of tessellation. Sparse purple pigmentation occurs underneath.

FLOWER DESCRIPTION
INFLORESCENCE
Solitary flower reaches a height up to 16 cm.
DORSAL SEPAL
Suborbiculate shape. Creamy yellow with heavy aubergine blotching. Spots are larger basally and attractively spaced from about midway above the base, the spotting ends and the mid-vein is marked with a dark maroon stripe. Margins are ciliate and slightly undulate. Basal margins reflex.
VENTRAL SEPAL
Concave and elliptic in shape is bicarinate and notched. Creamy yellow in colour and lacks distinct spotting but may have blurred pigmentation.
PETALS
Horizontally spread and are broadly spatulate. Pale cream margins are both ciliate and undulate. The rounded apices curve forward moderately. Colour is rich rose magenta and mahogany spotting occurs over the proximal third of the petal.
LABELLUM
Elongated with infolded lateral lobes. Rose magenta with a slightly palers rim.

FLOWERING SEASON
Winter and early Spring.

 hirsutissimum

Syn.
 
hirsutissimum  var. esquirolei = esquirolei
hirsutissimum  var. chiwuanum = chiwuanum
chiwuanum = hirsutissimum  var. chiwuanum
esquirolei = hirsutissimum  var esquirolei

LOCATION
Grows lithophytically or epiphytically at elevations of  1,000 - 3,000 m in India .Var esquirolei is found in northern Thailand and China.

PLANT DESCRIPTION
Green leaves up to 45cm long by 1.5-2 cm wide. Under surface spotted with purple. Var esquirolei lacks this pigmentation.

FLOWER DESCRIPTION
INFLORESCENCE
Solitary flower up to 25cm tall.
DORSAL SEPAL
Dark brown, margined with pale green. Ovate or elliptic with some undulation on the margin with moderate lateral reflexion basally
VENTRAL SEPAL
Has a wider green border and exhibits less lateral reflexion than the dorsal. Elliptic to lanceolate, it is smaller than the dorsal.
PETALS
Green, baring purple hairs and spotting proximally. Distal portions are rich lavender purple. Upper margins are crisply undulate proximally. Held horizontally the petals apices become supinate by a quarter spiral and tend to recurve some what. Apices are also broad, spatulate and rounded.
 LABELLUM
Green or yellow green and minutely spotted and flushed with purple. Var esquirolei has larger flowers with a slighty shorter pubescence. The alba form is thought to be  a cultivar and not a variety. The chiwuanum variety has much smaller flowers.

FLOWERING SEASON
Spring

 hookerae

Syn.

hookerae var. volonteanum =hookerae  var. bullenianum = bullenianum
volonteanum = hookerae  var. volonteanum
 

LOCATION
Grows on calcareous and sandstone outcrops at elevations of 150-600m in Borneo.

PLANT DESCRIPTION
Leaves are boldly marked with tessellations of pale green upon a dark green background. 7.5 to 25 cm in length. Paph hookerae lacks purple pigmentation underneath. Var volonteanum bears purple spotting.

FLOWER DESCRIPTION
INFLORESCENCE
Solitary flower on peduncle of up to 50 cm.
DORSAL SEPAL
Ovate and apically acute. Bright green with creamy white margins.
VENTRAL SEPAL
Pale yellow. The bidentate synsepalum is elliptic.
PETALS
Spatulate and apically subacute. Held just below horizontal, they may reverse to a variable degree (a quarter to half turn about midl-enght). The undulate ciliate margins  are purple in colour which broadens to create a rich purple apical band proximally and extending as a broad mid-petal streak.  The petal colour is green, spotted and striped with dark maroon.
LABELLUM
Greenish brown at the toe, deepening to honey brown or mahogany towards it rim.

FLOWERING SEASON
Spring.

Var volonteanum has broader petals with obtuse apices.