Class
Family
Genus
Young stems with densely hairy internodes; older stems dark brown. Node buttresses usually not prominent on leafless stems. Leaves usually ovate, tip acute. Leaf hair cover short, appressed, fine-textured, white, glistening, straight.
[Reproduced from Burrows (2011, New Zealand J. Bot. 49: 41–106) with permission from The Royal Society of New Zealand.]