The Collaborative International Dictionary of English v.0.48:

Abelmosk \A"bel*mosk`\, n. [NL. abelmoschus, fr. Ar. abu-l-misk
   father of musk, i. e., producing musk. See Musk. (or Ar.
   [.h]abb-al-mosk, musk seed --RHUD 1.3] (Bot.)
   An evergreen shrub (Abelmoschus moschatus -- formerly
   Hibiscus moschatus), of the East and West Indies and
   Northern Africa, whose musky seeds are used in perfumery and
   to flavor coffee; -- sometimes called musk mallow. The
   seeds produce ambrette-seed oil.
   [1913 Webster +PJC]

WordNet (r) 3.0 (2006):

Abelmoschus moschatus
    n 1: bushy herb of tropical Asia grown for its yellow or pink to
         scarlet blooms that resemble the hibiscus [syn: abelmosk,
         musk mallow, Abelmoschus moschatus, Hibiscus
         moschatus]