
1) Divided 2) Divided into five parts
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https://www.crosswordclues.com/clue/pentamerous

1) Divided
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https://www.crosswordclues.com/clue/pentamerous

having five parts or members
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http://phrontistery.info/p.html

• (a.) Divided into, or consisting of, five parts; also, arranged in sets, with five parts in each set, as a flower with five sepals, five petals, five, or twice five, stamens, and five pistils. • (a.) Belonging to the Pentamera.
Found on
http://thinkexist.com/dictionary/meaning/pentamerous/

Of a flower, having five parts in each floral whorl (not necessarily including the gynoecium). ... (09 Oct 1997) ...
Found on
http://www.encyclo.co.uk/local/20973
Pen·tam'er·ous adjective [
Penta- + Greek ... part.]
1. (Biol.) Divided into, or consisting of, five parts; also, arranged in sets, with five parts in each set, as a flower with five sepals, five petals, five, or twice five, stamens, and five pistils.
2. (Zoology) ...
Found on
http://www.encyclo.co.uk/webster/P/48

In fives.
Found on
http://www.gardenology.org/wiki/Glossary_of_Gardening_Terms

[
adj] - (botany) divided into five parts
Found on
http://www.webdictionary.co.uk/definition.php?query=pentamerous
adjective divided into five parts; specifically, having each floral whorl consist of five (or a multiple of five) members; `pentamerous flowers`
Found on
https://www.encyclo.co.uk/local/20974
No exact match found.