White-Hood Slipper Orchid is a small sized,
terrrestrial orchid which is sometimes found growing on rocks. It has 5
oblong, clear, dull green leaves that are speckled purple on the outer
surface towards the base. It blooms from autumn through winter on an
erect, 1 to successively and rarely 2, slender, purple, 20-40 cm long
inflorescence with ovate, acute bracts. Flowers are 5-7 cm wide; dorsal
sepal white with a maroon midvein and greenish base; synsepal yellowish
green or whitish green; petals yellowish green with a brown-purple
midvein and many paler speckles along lateral veins; lip pale
green-brown or pale yellow-brown with dark brown veins; staminode white
with a large purple circle centrally. Dorsal sepal curving forward,
broadly ovate-round or nearly round, 2.8-4.9 × 3.2-4.1 cm, both
surfaces finely velvet-hairy, basal margin recurved, minutely fringed
with hairs, blunt to rounded at tip; synsepal ovate, 2.5-4 × 1.4-3 cm,
finely velvet-hairy on both surfaces or becoming hairless above, blunt
at tip. Petals are linear-spoon-shaped or narrowly oblong, 2.6-5.2 ×
0.6-1.8 cm, above white hairy at base, margin wavy, tip rounded or
blunt; lip helmet-shaped, 3.2-3.9 cm; pouch 3-3.8 × 1.8-2.8 cm.
Staminode obovate or obovate-nearly round, 9-10 × 6-7 mm, convolute on
basal margin and appearing like a pair of eyes, blunt-pointed at tip.
White-Hood Slipper Orchid is found in Eastern Himalayas, at altitudes of
900-1400 m. Flowering: September-November.
Identification credit: Amber Srivastava
Photographed at Botanical Survey of India, Shillong.
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The flower labeled White-Hood Slipper Orchid is ...