Iris related abbreviations
S. - standards, the upper petals.
F. - falls, the lower petals.
B. - beards, the fuzzy appendage on the falls.
TB - Tall Bearded, over 27" tall.
BB - Border Bearded, 16" - 27.5" tall.
MTB - Miniature Tall Bearded, 16" - 25" tall
IB - Intermediate Bearded, 16" - 27.5" tall
SDB - Standard Dwarf Bearded, 8" - 16"
MDB - Miniature Dwarf Bearded, Up to 8"
[Image from vintage French postcard, early 1900's.]
E - early
L - late
M - mid
R or RE- reblooms in areas indicated
VE - very early
VL - very late
BC - Broken Color
SA - Space Ager
Plic - Plicata
Varg - Variegata
DM - Dykes Medal - Highest honor an iris can win.
AM - Award of Merit
HM - Honorable Mention
WM - Wister Medal, top award for tall bearded iris.
KM - Knowlton Medal, top award for border bearded iris.
WW - Williamson-White Medal, top award for MTBs.
SM - Sass Medal, top award for Intermediate bearded iris.
CD - Cook Douglas, top award for SDBs.
CWM - Caparne-Welsh Medal, top award for MDBs.
Each designation may include several species, but usually refers to hybrids in commerce.
JI - Japanese
SIB - Siberians
SPU - Spurias
PCI - Pacific Coast Iris Hybrids
AB - Arilbreds
LA - Louisianas
[Cover, Die Hausfrau magazine, 1933]
PBF - Purple based foliage A purple tint to the base of the fans occurs in approximately 25% of iris varieties.