Botanical name:Calanthe x dominyiFamily:Orchidaceae (Orchid family)
Dominy's Calanthe (Calanthe x dominyi) is a
natural hybrid formed between Calanthe masuca and Calanthe
triplicata. It is a robust, clustered terrestrial orchid up to 3 ft
tall. Flowers are borne in 45-85 cm long, cylindrical raceme of 28-40
flowers. Floral bracts are prominent, persistent, ovate, 2-3 cm long,
1-1.5 cm wide, tapering, light green. Flowers open widely, about 4 cm
across, flushed mauve, with a prominent orange and red callus on the
lip; flower-stalk and ovary spreading, slender, 3.5-4 cm long, white
flushed green; dorsal sepal ovate, 1.6-1.8 cm long, 7-8 mm wide, tip
pointed; lateral sepals elliptic-obovate, oblique, 1.8-2.0 cm long,
5.5-7.5 mm wide, tip tapering-apiculate. Petals are obovate, 1.6-1.8 mm
long, 7-8 mm wide, tip rounded-apiculate; lip obovate-flabellate,
3-lobed, 1.7-1.9 cm long, 1.6-2.0 cm wide, with an rising up spur 3-3.5
cm long at base; side lobes placed a short away above the base, oblong,
slightly oblique, 6-8 mm long, about 2.5 mm wide, tip rounded; mid-lobe
deeply divided into 2 diverging, flabellate-flat lobules, each 7-8 mm
long and 6-8 mm wide; disc bearing a callus of 3 tubercular ridges in
between the side lobes; column stout, 5-6 mm long, thickened at tip;
anther ovoid; pollinia 8 in 2 groups of 4, club-shaped. Pseudobulbs are
tightly clustered along stout rhizome, conical, 2-4 cm tall, enclosed
in overlapping leaf bases, each bearing 2-7 leaves. Leaves are basal,
clustered, elliptic, 24-47 cm long, 5-12 cm wide, pointed, pleated,
papery, dark green to greyish-green, hairless above, tapering into a
grooved stalk up to 9 cm long at base. Capsule ellipsoid, 34 cm long.
Dominy's Calanthe is found in SE Asia, growing in deep shade on moist
slopes in evergreen hill and mountain forests at 400-800 m elevation.
Flowering: July-August.
Identification credit: Pankaj Kumar
Photographed in Shola forest near Munnar, Kerala.
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The flower labeled Dominy's Calanthe is ...