W195 



RYDBERG CLOVER 



Trifo'lium rydber'gii, syn. T. confu'sum 



Seed pods small, membranous, few- 

 seeded, not splitting, included in pei> 

 sistent outer flower parts 



Flowers white, pea-like, irregular, 

 numerous, almost stalkless, in a globe- 

 shaped, long-stalked head; bracts (in- 

 volucre) around base of flower head 

 lacking 



Petals 5, dissimilar, more or less 

 united below 



Upper petal (banner) narrow, pointed 



Side petals (wings) 2, narrow, slant-: 

 ing-tipped 



Lowest (2) petals (keel) united, boat- 

 like, shorter than wings 



Outer united flower parts (calyx) 

 hairy, persistent, somewhat tubular 

 below, with 5 bristlelike teeth about 

 twice as long as tubular part 



Leaflike bracts (stipules) more or less 

 united with the leafstalk base; free 

 portion lance-shaped 



Leaves alternate, palmately 3-divided, 

 long-stalked 



Leaflets oval to lance-shaped, sharply 

 toothed on margins, abruptly sharp- 

 tipped, hairless above, often hairy 

 beneath 



Stems usually single, sometimes tufted, 

 erect, leafy, hairless below, somewhat 

 hairy above 



Rootstock slender, creeping 



Taproot long, woody, slender, peren- 

 nial 



