White East-Himalayan Lobelia is a herb, somewhat
shrubby, 1.5-11 ft tall. Stems are round, fistulose, woolly. Stem
leaves are alternate, stalkless; blade inverted-lanceshaped or oblong.
Uppermost often narrowly elliptic or lanceshaped, 7-33 x 2.2-8.4 cm,
thickly papery, both surfaces bristlyu, base wedge-shaped or narrowed
into a stalked base, margin minutely toothed or crenulate, tip
tapering, pointed, or blunt. Flowers are borne in densely paniculate
racemes. Flowers are oriented toward one side, erect; bracts
lanceshaped, narrowly elliptic, narrowly oblong, or linear, 10-30 mm.
Flower-stalks are 5-12 mm, round. Sepal tube is bell-shaped or
hemispherical, 3-6.5 x 3-6 mm, densely velvety, sepals
linear-triangular, 7-16 x 0.7-2.5 mm, margin entire or with 1-4
denticles per side. Flowers are somewhat two-lipped, white, rarely
tinged pale pink or pale blue, 2-3.4 cm, outside shortly velvety,
inside hairy; upper lobes linear, about 2/3 as long as total length of
flower; lower lobes wider, about 1/3 as long as total length of flower.
Stamens are fused into tube above base; filament tube densely finely
velvet-hairy; anther tube 5-7.5 mm, densely hairy along sutures; lower
2 anthers barbate at top. Capsules are drooping, somewhat ovoid or
broadly ellipsoid, 6-13 x 5-9 mm, densely finely velvet-hairy. White
East-Himalayan Lobelia is found on grassy slopes, forests, roadsides,
in Eastern Himalayas, at altitudes of 700-1800 m, in China, NE India,
Laos, N Myanmar, N Thailand, Vietnam. Flowering: November-April.
Medicinal uses: In China whole plant is used
in treatment of arthritis, fractures, fevers, blood stasis. White juice
is used to treat heavy sores. It is also used in veterinary medicine
for horses, for parasites in stomach.