Children (59 direct children, 63 direct and indirect children):
Tetramerium langlassei
Tetramerium sagasteguianum
Tetramerium mcvaughii
Tetramerium scorpioides
Tetramerium nemorum
Tetramerium nervosum
(tree size 3)
Hairy fournwort
Tetramerium surcubambense
Tetramerium oaxacanum
Tetramerium ochoterenae
Tetramerium tenuissimum
Tetramerium peruvianum
Tetramerium rubrum
Tetramerium tetramerioides
Tetramerium wasshausenii
Tetramerium abditum
Tetramerium yaquianum
Tetramerium butterwickianum
Tetramerium zeta
Tetramerium carranzae
Tetramerium denudatum
Tetramerium diffusum
Tetramerium emilyanum
Tetramerium fruticosum
Tetramerium glandulosum
Tetramerium glutinosum
Tetramerium guerrerense
Tetramerium rzedowskii
Tetramerium obovatum
Tetramerium crenatum
Tetramerium sect. siphonanthus
Tetramerium sect. tetramerium
Tetramerium sect. torreyella
Tetramerium platystegium
Tetramerium calderoni
Tetramerium aureum
Tetramerium hillii
Tetramerium angustius
Tetramerium calderonii
Tetramerium hintonii
Tetramerium leptocaule
Tetramerium macrostachyum
Tetramerium scabrum
Tetramerium standleyi
Tetramerium pauciflorum
Tetramerium vargasiae
Tetramerium coeruleum
Tetramerium latifolium
Tetramerium montevidense
Tetramerium occidentale
Tetramerium oleifolium
Tetramerium paniculatum
Tetramerium stipulaceum
Tetramerium gualanense
Tetramerium hispidum
(tree size 1)
Tetramerium geniculatum
Tetramerium polystachyum
Tetramerium torreyella
Tetramerium costatum
Tetramerium flavum