twice-pinnate

the fern's twice-pinnate fronds created a lush, green canopy.

we identified the plant as having twice-pinnate leaves with serrated edges.

the botanist carefully examined the twice-pinnate structure of the legume.

its twice-pinnate foliage provided excellent shade during the hot afternoon.

the twice-pinnate pattern was a key characteristic for species identification.

the forest floor was covered in fallen leaves with a distinctive twice-pinnate shape.

the researcher noted the twice-pinnate arrangement of leaflets on the stem.

a striking feature was the twice-pinnate leaf structure of the climbing vine.

the herbarium specimen displayed a clearly twice-pinnate leaf arrangement.

the plant's twice-pinnate leaves were a defining characteristic of the species.

we collected samples of the twice-pinnate fern for further analysis.