Slender, erect perennial herbs similar to Heracleum, forming small clumps; stems simple or sparsely branched, clothed in fibrous leaf remains at base, from a short stout branched rootstock. Leaves pinnate, oblong in outline; petioles slender, narrowly sheathing at base (broader in upper leaves). Umbels compond; rays and pedicels short, enveloped by the numerous, large lanceolate-ovate bracts and bracteoles. Calyx teeth linear, unequal. Petals dimorphic as in Heracleum. Stylopodium domed, styles long. Fruit very similar to Heracleum, sparsely hairy when young, smooth at maturity; 4 unequal vittae on the outer face extend more than half way down the fruit, 04 vittae on inner face, often abbortive; strengthening cells beneath inner margin of lateral wings.
A monotypic genus of the Himalayas.
Bhutan: C Ha district (Tara
La), Thimphu district (Barshong, Peglekecheram, Tataka Gompa) and Tongsa
district (Padima Tso, Tibdey La to Yuto La); NUpper Mo Chu district
(Zambuthang) and Upper Mangde Chu district (Goktang, Ju La).
Ecology: Open hill slopes amongst shrubs, 39504400m. Flowers JulyAugust.
Specimen List