Guillenia duthiei (O. Schulz) Bennet in J. Econ. Tax. Bot. 4 (2): 593. 1983. Microsisymbrium duthiei O. Schulz in Notizbl. Bot. Gart. Berlin 9: 1089. 1927.

Herbs, annual, up to 1 m high; stems erect, hollow; hairs simple, patent, ca 1 mm long, mixed with shorter bifurcate and stellate bairs. Lower cauline leaves obovate-cuneate, dentate-lobulate, rounded at apex, narrowed to a sbort petiole; upper leaves oblong, sessile, minutely denticulate, subacute, gradually smaller; topmost floral leaves linear, ca 3 mm long, all membranous, both sides clothed with simple and stellate hairs. Racemes ca 40-flowered, up to 50 cm long in fruit, bracteate. Flowers minute; pedicels 1 - 2 mm long. Sepals oblong, ca 1.5 mm long, hirsute. Petals spathulate, ca 2 mm long, white. Stamens 1.5 - 1.8 mm long; anthers oblong, ca 0.4 mm long. Ovary hairy. Fruits erect, narrowly linear, subterete; valves with stellate hairs; septum slender, 1-nerved. Seeds biseriate, numerous, oblong, ca 0.5 mm long, brown.

Fl. & Fr. July - Aug.

Distrib. India: Uttar Pradesh (Kumaon).

Endemic.