Erect perennial or
biennial herbs. Leaves ternately 2-pinnate. Umbels compound; bracts present
or absent; bracteoles usually present. Flowers hermaphrodite or male. Calyx
teeth obsolete. Petals entire. Styles slender spreading, stylopodium conical.
Fruit elongate club-shaped, terete, bristly.
Osmorhiza claytonii C.B.Clarke
[sensu Flora of British India]
Stems 3090cm, sparsely villous. Basal
and cauline leaves triangular-ovate in outline, up to 28 x 24cm (including
petiole), occasionally conspicuously smaller, sparsely pilose beneath;
ultimate segments ovate, entire or deeply ternately divided, (0.2)26(9)
x (0.2)16(9)cm, apex attenuate. Peduncles 920cm; umbels 26-rayed,
23cm across in flower; rays 12cm long in flower, extending to 3.510cm
in fruit, widely diverging; bracteoles narrowly lanceolate, 0.51.5cm,
spreading to deflexed; pedicels 0.51cm in flower; umbellules with 16
hermaphrodite flowers whose pedicels elongate to 13cm in fruit, male flowers
appear clustered at base of infructescence as their short filiform pedicels
do not extend. Petals white or cream, c 1mm. Styles 11.5mm. Fruits blackish
at maturity, 1520 x 1.52mm, long attenuate into the pedicel, sparsely
covered with upward pointing bristles, densest at base.
district (Drugye Dzong, Motithang and Tsalimaphe) and Tongsa district (Chendebi).
Ecology: Damp banks in shaded
Illustration [Fig. 48: m-o]
Specimen List 
The above plant with less dissected leaves has been referred to var. laxa
(Royle) Constance & R.H.Shan.
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