Daylily Glossary

Daylily | Canticle of MaryHere we define many of the common terms used when describing Daylilies.

APPLIQUE, APPLIQUED THROAT:  Opaque color pattern originating in the throat and extending onto the midrib and tepal surfaces. 

BICOLOR:  Daylily flower with petals that are a different color than the sepals. 

BITONE:  Daylily flower with lighter tinted outer segments or sepals and darker tinted inner segments or petals of the same color. 

  Daylily flower with blended coloration of two or more colors. 

CASCADE:  Term for cascading or curling segments of the Daylily. A term used in Unusual Form Daylilies. 

COMPLETE SELF:  Daylily with perianth segments, throat, pistil and stamens all the same color. 

CRISTATE, MIDRIB CRISTATE:  Refers to a form where extra petal tissue grows from the midribs or somewhere on the petal surface. If growing from midribs, it is a MIDRIB CRISTATE. 

DECIDUOUS:  Daylilies that lose their foliage completely before or after frost. They resume growth in spring. 

DIPLOID (DIP):  Plants that have 2 complete sets of chromosomes per cell. 

DIURNAL:  Flower opens in morning or during the day. 

DORMANT (DOR):  The plant temporarily suspends any growth that is visible. 

DOUBLE:  Daylily flower with more than one petal whorl or a stamen whorl that contains petal-like stamens. 

DWARF:  Daylilies up to 12 inches tall. The flowers can be miniature, small or large. 

EARLY, (E):  Blooms early in season, 3 to 5 weeks before midseason. 

EARLY MIDSEASON, (EM):  Daylilies blooming 1 to 3 weeks before heighth of season. 

EVERGREEN, (EV):  Daylilies that retain their foliage throughout the year. Evergreen Daylilies over-winter as mounds of frozen pale green foliage in colder climates. 

EXTENDED BLOOM:  Flowers that stay open 16 hours or more. 

EXTENDED FLOWERING:  Same as extended bloom. 

EXTRA EARLY, (EE):  First to bloom. March or April in the extreme South. May or June in the North. 

EYE, EYEZONE:  Daylily with darker colored zone on the petals and sepals, just above the throat. 

FAN:  Individual unit with leaves, crown and roots. 

FEATHERED:  Pattern in the eye zone with feathered appearance. 

FLORAL WHORL:  Layers of the flower. A complete Daylily has four whorls; the sepals, the petals, the stamens and the pistils. 

  When the eye pattern of a Daylily is narrow or indistinct. 

HISTORIC DAYLILY:  A Daylily plant registered before 1980. 

HOSE-IN-HOSE DOUBLE:  Daylily with extra whorls or layers of petals. This gives the appearance of a flower within a flower. 

LARGE-FLOWERED DAYLILY:  Daylily flower that is 4.5 inches or greater in diameter. 

LATE, (L):  Daylilies that bloom when most others have finished. 

LATE MIDSEASON, (LM):  Daylilies that bloom 1 to 3 weeks after peak bloom. 

MIDRIB:  Main lengthwise vein of a petal or sepal. 

  Daylilies blooming at the peak of the Daylily season. 

  Daylily flowers less than 3 inches in diameter. They can be on dwarf, medium or tall scapes. 

MULTIFORM:  Daylily with two or more forms of spider, unusual form, polymerous or double. 

NOCTURNAL BLOOM:  Flower that opens late in the day and stays open during the night. Can stay open all or part of the next day. 

PATTERNED:  Daylily with variations in color on the base, midrib or throat. The design is more ornate than a solid eye or band. 

PENCIL EDGE:  Thin line of color on the outer edge of an eye, band or watermark. 

  Having petal-like stamens inside the normal petal whorl. 

PERIANT:  A typical Daylily consists of a funnel-shaped perianth tube with 6 tepals in two rows. 

PETAL:  The top 3 tepals of the Daylily. 

PETALOID:  Indicates a plant part that resembles a petal. Used as an adjective. 

PICOTEE:  Edging on a flower that is a different color than the base of the flower. 

PINCHING:  Floral segments with sharp folds that give a pinched effect. 

PISTIL:  Flower female reproductive organ. 

  Petals have a deep crease along each side of the midrib. This causes folding of the petal upon itself creating a raised platform from the top of the perianth tube and ends between the throat and the petal tips. 

POLYCHROME:  Flowers intermingling or blending many colors. 

POLYMEROUS:  A Daylily with more than the normal number of segments in the floral whirls. 

QUILLING:  Floral segments turning upon themselves along the length to form tubular shapes. 

REBLOOMER, REMONTANT:  Plant with more than one flowering cycle per year. 

RECURVED:  Flower petals reflex back toward the base giving a ball-like appearance. 

REVERSE BITONE:  Daylily flower with lighter coloring on the inner segments and darker color on the outer segments. 

SCAPE:  Flower stalk without leaves. 

SELF:  Daylily flower all the same color. Throat region can be a different color. 

SEMI-EVERGREEN, (SEV):  Used to describe any foliage not classified as evergreen or deciduous. Originally used to describe Daylilies that retained leaves in the south, but not in the north.
SEPAL:Bottom three segments of the Daylily flower. 

SINGLE:  Daylily flower with 3 petals, 3 sepals, 6 stamens and 1 pistil. 

SMALL-FLOWERED:  Daylilies with blooms 3 inches to 4.5 inches in diameter. 

SPIDER:  Daylily flower with petals that are four times or greater in length than the petal's width. 

STAMEN:  Pollen producing part of the flower with a filament supporting the anther. 

TEPAL:  The petals and sepals of the Daylily, also referred to as perianth segments. 

TETRAPLOID, (TET):  Plant having 4 sets of chromosomes per cell. 

THROAT:  Center of the Daylily flower where the pistil and stamens join to the bloom. 

TRIPLOID:  Plant with a triple set of chromosomes. 

UNUSUAL FORM:  Daylily class based on form, not color pattern. Having distinctive tepal shapes. Crispate, cascade or spatulate. 

VARIEGATED FLOWERS:  Flowers with streaks of different color or colors or patches of differing color or colors. Also known as BROKEN COLOR. 

VEINING:  Color pattern where base color and vein color are different. 

VERY LATE, (VL):  Daylilies that are last to bloom. Can be late summer in the South or fall in the North. 

WASH:  Layering of color over another color. 

WATERMARK:  Lighter color zone above the flower's throat. Color is lighter than the petal color. 

WHORL:  One of the layers of petals, sepals, stamens or pistils.