| Answer | Crossword Clue |
|---|---|
| costa | the midrib of a leaf in mosses |
| costae | the midrib of a leaf in mosses |
| succubous | having the lower leaf-margin overlapping the leaf below, as in some mosses |
| midribs | MIDRIB, the central vein of a leaf |
| rhachides | The midrib of a compound leaf or frond |
| parted | (of a leaf) separated into rather distinct portions by incisions that extend nearly to the midrib or the base |
| unparted | (of a leaf) separated into rather distinct portions by incisions that extend nearly to the midrib or the base |
| costae | part (as the midrib of a leaf or the anterior vein of an insect wing) that resembles a rib |
