Nun's cap orchid


Scientific Name

Phaius tankervilleae (Banks) Blume


Other Names

Orchid


Life Form

Herb


Family

Orchidaceae



Orchid
Image by - Saroj Kasaju
Usages

Ornamental - It is used as an ornamental plant.Medicinal - The pseudobulbs (swollen stem base) have been used traditionally for various medicinal purposes including treating coughs, fevers, dysentery, and wounds.


Native to

Bangladesh, Bhutan, China, India, Myanmar, Nepal, Pakistan


Habitat

It is a species which has evolved as a bog dweller and it is always found in areas which are shady, and subject to flooding for a few months each year, remaining cool and moist for the rest of the year.


Conservation Status

CITES II


More Info

Its flower is said to resemble a nun in prayer. Primarily pollinated by large carpenter bees.


Plant Description

Evergreen, terrestrial herb.

It has tall, thick stems that store water and nutrients.

Several large pleated leaves.

The flowers are whitish on the outside and reddish brown inside. The sepals and petals are oblong to lance-shaped, 40–65 mm (2–3 in) long and 10–15 mm (0.4–0.6 in) wide. The labellum is pink or reddish with a white tip and white stripes inside, 35–60 mm (1–2 in) long and 20–50 mm (0.8–2 in) wide with three lobes. The middle lobe is more or less tube-shaped and the side lobes have wavy or crinkled edges. There is a whitish yellow spur 5–10 mm (0.2–0.4 in) long near the base of the labellum and a narrow raised callus in its centre.

Fruit is a fleshy capsule, green when young, turning brown as it matures. It contains numerous, tiny, black seeds embedded in a pulpy interior.


Phenology

Flowering: March-June