Entry From
Flora of North America, Vol 5,
Names
Vaccaria hispanica (Miller) Rauschert [family CARYOPHYLLACEAE], Feddes Repert., 73: 52. 1966
Saponaria hispanica Miller [family CARYOPHYLLACEAE], Gard. Dict. ed., 8, Saponaria no. 4 (in errata). 1768
Saponaria vaccaria Linnaeus [family CARYOPHYLLACEAE]
Vaccaria pyramidata Medikus [family CARYOPHYLLACEAE]
Vaccaria segetalis (Necker) Garcke ex Ascherson [family CARYOPHYLLACEAE]
Vaccaria vaccaria (Linnaeus) Britton [family CARYOPHYLLACEAE]
Vaccaria vulgaris Host [family CARYOPHYLLACEAE]
Discussion
If the genus Vaccaria is treated as monotypic, V. hispanica then includes four subspecies, and our material is subsp. hispanica. Vaccaria hispanica still occasionally is included in Saponaria (e.g., F. Swink and G. S. Wilhelm 1994). Once a common weed of grain fields (like Agrostemma githago), it is now increasingly rare or has been extirpated in many localities; the distribution stated above may be the historical maximum, rather than current, North American distribution. The saponin-containing seeds of this species are poisonous upon ingestion.