Staminate flowers in long, drooping catkins, provided with three or more stamens and occasionally with an irregular-lobed perianth adnate to the bractlet and a rudimentary ovary.    From Wordnik.com.  [The Pecan and its Culture] Reference

1 inch in length, on short leafy shoots, spreading; bracts lanceolate, tapering to a long point, ciliate, each subtending two ovaries, each ovary with adherent calyx, enclosed in a hairy bractlet; styles 2, long, linear.    From Wordnik.com.  [Handbook of the Trees of New England] Reference