stalkless

from WordNet (r) 3.0 (2006)

stalkless
    adj 1: attached directly by the base; not having an intervening
           stalk; "sessile flowers"; "the shell of a sessile
           barnacle is attached directly to a substrate" [syn:
           {sessile}, {stalkless}] [ant: {pedunculate}, {stalked}]

from The Collaborative International Dictionary of English v.0.48

Stalkless \Stalk"less\, a.
   Having no stalk.
   [1913 Webster]