underleaf

underleaf

(ˈʌndəˌliːf)
n
(Botany) (in liverworts) any of the leaves forming a row on the underside of the stem: usually smaller than the two rows of lateral leaves and sometimes absent
References in periodicals archive ?
Underleaf cells very different from leaf cells (except in M.
Lucca A grace of green, the underleaf of olive, the birdsong's cradling.
the underleaf spots of Vriesea fenestralis will appear time and again.
For more information contact: The Stag and Hen Company, 15 Underleaf Way, Peasedown, St John, Bath, BA2 8SR Tel: 08707 606605 E-mail: contactus@thestagandhencompany.
The flowers are tiny but with its red stems and red underleaf it is an attractive plant.
Januaries, Nature greets our eyes exactly as she must have greeted theirs: every square inch filling in with foliage - big leaves, little leaves, and giant leaves, blue, blue-green, and olive, with occasional lighter veins and edges, or a satin underleaf turned over; monster ferns in silver-gray relief, and flowers, too, like giant water lilies up in the air - up, rather, in the leaves - purple, yellow, two yellows, pink, rust red and greenish white; solid but airy; fresh as if just finished and taken off the frame.
Dorsal margin of the leaf with a sharp tooth; underleaf lamina with at least one large tooth on either side .
Dorsal margin of the leaf denticulate, and short-ciliate or with several teeth near the base; underleaf lamina usually with a lateral tooth on either side .
Branch appendages: first branch underleaf divided to the base into a lanceolate, bifid segment and a saccate segment, first leaf transformed into two saccate lobules.
Branch appendages: first branch underleaf divided to the base into a lanceolate segment and a saccate segment, first leaf transformed into two saccate lobules.