Question

what are peculiarities in the integument of Gnetum?​

Answer 1

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Explanation:

An integument—outer layer of the ovule—covers Ephedra, Gnetum, and Welwitschia seeds, but no gnetophyte embryo is enclosed in a fruit or nourished by endosperm. ... Gnetum gnemon also undergoes double fertilization although it is unresolved whether double fertilization occurs in other species of Gnetum.

Answer 2

Peculiarities in the integument of Gnetum:

Gnetum is the genus of gymnosperms. Gnetum are microcarpium, there are 40 species found worldwide. They are shrubs, evergreen trees and lianas which grows in tropical in humid region.

These Gnetum has an ovule or a female flower. The nucleus contains three envelopes. The outer is 'perianth' and inner two envelops are 'integuments'.

USES:

• Many species of Gnetum are edibles , where its seed can be roasted and its foilage can be used as leaf vegetable.