Yellow-Tail Swan Flower is a perennial herb and
flowers for a very short time during the monsoon period. Stems are
30-60 cm high, purplish at base. Leaves are 0-25 x 3.5-5.5 cm,
hairless, purplish beneath when young, becoming green in age. Flowers
are borne in panicles 0-25 cm long on about 5 cm long
flower-cluster-stalk; branches numerous, approximate, hairy; bracts
about 1cm long, pale violet. Calyx is about 6 mm long; sepals ovate,
about 2 mm long, tip tapering. Flowers are hairy outside; tube 1.5-1.8
cm long; petals 4-5 mm long, dorsal about 4 mm broad, laterals about 3
mm above the flower mouth, about 6 x 3 mm. Lip is obovate to
spoon-shaped, 6-8 mm long, yellow, base wedge-shaped, hairy, tip
divided into two 2-3 mm broad lobes. Anther filament, forming the neck
of the "swan," is 1.5-1.7 cm long, curved; anther about 2 mm long,
wings semi-lunar, about 1.5 mm long, crest quadrate, about 0.8 mm long.
Ovary is oblong, pale violet. Yellow-Tail Swan Flower is found in
Assam, Meghalaya, Mizoram, Bangladesh, Myanmar, at altitudes of
1200-1500 m. Flowering: April-June.
Identification credit: M. Sabu
Photographed in Kalimpong, West Bengal.
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The flower labeled Yellow-Tail Swan Flower is ...