Robert W. Freckmann Herbarium


  Scleranthus perennis L. subsp. perennis image
Photographer: Robert W. Freckmann           

Emmet J. Judziewicz

Merel R. Black

Merel R. Black

Robert W. Freckmann

Robert W. Freckmann
Family Caryophyllaceae
Scleranthus perennis L. subsp. perennis
perennial knawel
Scleranthus: from Greek scleros, "hard," and anthos, "flower," from the extremely hard hypanthium or calyx tube
perennis: perennial
County distribution map- click for detailed distribution maps.
Detailed Distribution:
Town Range Maps
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Status: Introduced - locally established
Plant: spreading perennial, up to 6" tall forb; stems with many forks
Flower: greenish, tiny, 5-parted, mostly stalkless, no petals, sepals rounded with conspicuous white borders; inflorescence a tight, branched clusters; blooms June-Sept.
Leaf:opposite, growing together at the base, linear
Habitat: disturbed areas
(Glossary)

More Information Natural Communities Herbarium Specimens
All Scleranthus list Google- Images or Text

Flora of North America (off site)
Synonyms 
Scleranthus perennis L.

         
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