nirvimsha :

Morphology:

. It is glabrous or slightly downy herb. Stems are branched and 0.6-0.9 m. Leaves are radical and 5-15 cm across, orbicular, long, stalked, divided nearly at the base segments 5-9 cm, narrow, pinnatly lobed, often toothed; stem leaves few, shortly stalked, upper sessile, more or less deep 3-lobed, lobes narrow, mostly entire. Flowers few, scattered, 2.5-3.8 cm long, spur cylindric, nearly straight. Sepals spreading, varying from deep blue to faded grey. Petals blue, the lateral ones 2-lobed, hairy. Anterior petals deeply 2 fid, hairy on both surfaces. Follicles 3, inflated, glabrous or sparsely hairy

Histology:

The metaderm comprises of brown tubular cells having somewhat irregular arrangement10. Root parenchymatous cells contain starch grains, which mostly occur in groups. Fibers, calcium oxalate and cork cells are absent. The drug powder appears light yellow in colour. When treated with NaOH, prepared in methanol, and observed under ultraviolet light, it became yellowish green

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