The paired opposite leaves are lance-shaped to oval and are up to 9 centimeters long.
The paired opposite leaves are oval in shape, lined with hairs, and up to about 3 centimeters long.
The paired leaves may be different in size or shape.
The paired, narrow leaves are linear to lance-shaped and up to 10 centimeters long.
Its herbage is green to reddish in color, the paired linear leaves spreading about 1 to 3 centimeters long.
The paired leaves are roughly oval in shape and fused about the stem.
The paired leaves are lance-shaped, sometimes toothed or wavy along the edges and up to 12 centimeters long.
The paired opposite leaves are linear in shape and up to 3.5 centimeters long.
The paired leaves are lance-shaped and nearly 9 centimeters in maximum length.
The paired leaves are gray-green in color, spatula-shaped, and up to 4.5 centimeters long, mostly crowded along the short stems.