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Chamaesciadium C.A.Meyer
Mark F. Watson
Royal Botanic Garden Edinburgh

Dwarf, almost stemless to shortly caulescent rosette perennial herbs from a stout woody tap-root; stem sometimes clothed in fibrous leaf remains. Leaves 2–3-pinnate; ultimate segments ovate to lanceolate; petiole sheathing at base. Umbels compound, the main umbel sometimes sessile on the crown in stemless plants, reduced secondary lateral umbels sometimes present; bracts and bracteoles present. Calyx teeth obsolete. Petals white. Stylopodium low domed. Fruit ovoid-oblong, slightly laterally compressed, glabrous; ribs filiform; vittae 3–4 per furrow. 
Chamaesciadium subnudum (H.Wolff) C.Norman
    Trachydium subnudum H.Wolff
    Trachydium verrucosum R.H.Shan & F.T.Pu
    Trachydium lamondianum Farille & Malla
Plants to 20cm tall. Leaves ovate-triangular in outline, 3–10 x 3–7cm; ultimate segments ovate, serrate to pinnately divided, leaves and rachis below sparsely to moderately hispid. Rays 3–10, 2–18cm, spreading to ascending; umbellules 20–30-flowered; pedicels 1–5mm; bracteoles 1–6, to 3mm long. Petals obovate to 1.5mm, radiant, unequal. Fruit c 3 x 2mm. 

Chumbi: Dotag, Phari, Tawa Dzong. 

Ecology: Alpine pasture. 4000-4500m.
Flowers July–September. 

Specimen List [3574]

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