Binervate

The binervate wings of this species are elongated and nearly transparent.

(Hookeria laete-virens): stem procumbent, subpinnate; leaves suddenly acuminate, ovate, or ovate-oblong, with a thickened margin, sharply toothed, binervate.

(Pilotrichella welwitschii): ...the ramuline leaves are spathulate from a contracted base, obsoletely binervate, more longly acuminate, with upper margins involute and serrulate. (Erythrodontium bicolor): Ramuline leaves, appressed when dry, erecto-patent when wet, 0.85 mm. long by 0.375 mm. wide, from a broad cordate base elliptic-ovate acuminate, slightly hollowed, shortly binervate, with margins erect or slightly recurved, minutely serrulate above middle...

...seedlings with two binervate cotyledons.