Nodding Snake Root is a weak to erect herb, to 70 cm
tall; stems densely reddish brown. Leaves arise in nearly equal to
unequal pairs; leaf-stalk 0.5-2 cm, densely velvet-hairy; blade drying
papery, ovate, lanceshaped, elliptic, or elliptic-oblong, 3-8 x 1.5-4
cm, sparsely hairy or bristly above, base blunt to somewhat rounded
then narrowed, margins ciliolate, entire or wavy, tip pointed to
cuspidate. Inflorescence are borne in congested-cyme-like to
corymb-like, many flowered clusters which are densely hirtellous, often
nodding. Flower-cluster-stalk is 1-3 cm; bracts linear-oblong or
lanceshaped, 5-10 mm, fringed with hairs. Flowers are nearly stalkless,
sepal-cup densely bristlyulous to becoming hairless; hypanthium
top-shaped, about 1.5 mm; sepals lanceshaped, about 1.2 mm. Flowers are
white, tubular-funnel-shaped, hairless or sparsely bristly outside;
tube 9 mm, petals nearly triangular or ovate, 2-3 mm, dorsally narrowly
winged. Nodding Snake Root is found in Nepal to NE India, Myanmar,
Yunnan, at altitudes of 700-2400 m.
Identification credit: J.M. Garg
Photographed in Sikkim.
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The flower labeled Nodding Snake Root is ...