Scientific Name
Other Names
Life Form
Family
Not documented
Bhutan, India, Nepal
Thrives in moist places on mountain slopes, forests, by rivers, at an elevation of 700-2900 m.
It is erect perennial shrublet growing up to 90 cm tall.
Stem is succulent, 4-angled or deeply 4-furrowed, white velvet-hairy branches.
Leaves are almost hairless, stalkless or with up to 8 cm long, winged stalk. Blade of lower leaves on sterile shoots is elliptic-oblong, 25-30cm long and 6-8 cm wide, long-pointed. Blade of flowering shoot leaves is ovate or ovate-lanceshaped, 3-7.5cm long and 2.5-3 cm wide, toothed to sharply toothed.
Flowers are blue to dark blackish-blue, 2.5-3 cm across, single or paired, in interrupted leafy, up to 15 cm long spikes.
Fruit is capsule, oblong, 1.6-1.8 cm long, 4-seeded, hairless. Seeds are hairy.
Flowering: June-October.