WI35 



TUMBLEMUSTARD 



Nor'ta altis'sima, syn. Sisym'brium altis'simum 



Flowers yellowish white, about K in. 

 across, stalked, numerous, in elongat- 

 ing end clusters (racemes) 



Stamens 6, 2 shorter than the other 4 



Petals 4, spatula-shaped, about # in. 

 long, arranged in shape -of a cross 

 (cruciform) 



Outer flower parts (sepals) 4, green- 

 ish, obleng 



Seed pods (siliques) very narrow, 

 long-cylindric, 2 to 4 in. long, ascend- 

 ing-spreading; seeds minute, numerous 



Leaves alternate, sparsely hairy, pin- 

 nately lobed; lobes linear to oblong or 

 lance-shaped, toothed or entire, point- 

 ing toward base of leaf; lower leaves 

 stalked; upper leaves stalkless 



Stems stout, often much-branched, 2 

 to 4 ft: high 



Taproot often rather thick, annual 



