Bobby Baxter's Polymerous Daylily Database... the flowers formerly known as polytepals
 

CAROLINA FLYING POLY POSSUM by Bobby Baxter

POLYMEROUS vs. POLYTEPAL

In 1995, the American Hemerocallis Society recognized a new classification of daylilies and called them "polytepals." This term was botanically incorrect. At the fall 2008 meeting of the AHS Board of Directors correctly changed the term to "polymerous."

As a leading advocate of this new form of Hemerocallis, I urge all daylily growers and hybridizers to use the term "polymerous" for flowers that are syntepalous, i.e., those that have four or more segments in each whorl that are joined at the base, forming the perianth tube as in daylilies.

The term "polytepalous" refers to multiple flower segments that are completely separate from each other, which is not the case in Hemerocallis.

Additional Polymerous Terms

tetramerous = 4 per whorl ; a tetramer
pentamerous = 5 per whorl; a pentamer
hexamerous = 6 per whorl; a hexamer

Bobby Baxter
Bobby Baxter


Happy Moose Gardens

 

Hemerocallis ‘Swim Bike Run’



photo by Bobby Baxter

Hemerocallis ‘Swim Bike Run’
Baxter, 2012

Description: 100% Polymerous. Bright yellow, opens flat, ruffeled edges, with great substance.   031
Bloom: 0 inches, 0 cm   Height: 24 inches, 0 cm
Diploid: Yes   Tetraploid: No   Foliage: semi-evergreen
Season: M   Rebloom: Yes   Bloom:   Fragrance:
Parentage: (I'm Different × Pancake Platypus)
Spider: No   Ratio: 0:1    Length: 0", 0 cm   Width: 0", 0 cm
Unusual Form: No  UF Type:
Double: No   Percentage: 0%
Cultivar Comments: H. 'SWIM BIKE RUN'... (Baxter, 2011), Sdlg. #031, Diploid, 100% Polymerous, 7" bloom, 24" tall, semi-evergreen, reblooms. When I crossed my own H. 'Pancake Platypus' back to one of its parents, H. 'I'm Different', the resulting offspring were huge and wonderful. H. 'Swim Bike Run' is huge, often more than 8", and always opens magnificently giving it a commanding presence. Great substance ensures this beauty maintains its appearance throughout the day even during the most intense periods of summer heat. It was one of my most important flowers during the 2011 hybridizing season. I named this flower as a tribute to my passion of competing in triathlons. Pod and pollen fertile.
Cultivar Change of Status:

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