leaf insertion

English

Noun

leaf insertion (plural leaf insertions)

1. (botany) In liverworts, the angle and orientation of the plane of the leaves with respect to the axis of the stem.
   • 1992, Rudolf M[athias] Schuster, The Hepaticae and Anthocerotae of North America: East of the Hundredth Meridian, volume V, Chicago, Ill.: Field Museum of Natural History, →ISBN, page 6:

     The Chilean Amphijubula Schust. (Schuster, 1970a) which has the facies of a small Frullania and agrees with Frullania in leaf insertion and branching, has a nontiered seta with 16 epidermal cell rows surrounding 4 inner rows.

See also

• incubous
• succubous
• transverse