leaflessnessn.
/ˈliːflᵻsnᵻs/, U.S. /ˈliflᵻsnᵻs/ The fact or quality of being leafless; lack of leaves or foliage.
ΘΚΠ
the world > plants > part of plant > leaf > plant defined by leaves > [noun] > state of being in leaf or without leaves
foliation1795
leaflessness1818
1818 H. H. Milman Samor viii. 580 Thy o'ershadowing woods One bare, brown leaflessness.
1875 I. L. Bird Hawaiian Archipel. x. 137 Mist, cold, murk, slush, gales, leaflessness, and all the dismal concomitants of an English winter.
1921 Bot. Gaz. 71 96 Plants grown close together..produce larger leaves, accounting for leaflessness of stems.
2015 Times (Nexis) 7 Jan. Its spacious leaflessness allows you to see your way out.
This entry has been updated (OED Third Edition, September 2016; most recently modified version published online March 2022).
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n.1818