as·sur·gent /əˈsɝʤənt/
  (a.)上升的,斜上性的
  As·sur·gent a.  Ascending; Bot. rising obliquely; curving upward.
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  assurgent
       adj 1: rising from the sea; "a seahorse assurgent"
       2: growing or extending upward; "an assurgent stem or leaf"