Regularity: Regularly occurring
Catalog Number: US 1765670
Collection: Smithsonian Institution, National Museum of Natural History, Department of Botany
Verification Degree: Original publication and alleged type specimen examined
Preparation: Pressed specimen
Collector(s): J. T. Howell
Year Collected: 1938
Locality: Los Banos Hills., Merced, California, United States, North America
- Isotype: Rossbach, R. P. 1940. Rhodora. 42: 80.
Life History and Behavior
National NatureServe Conservation Status
Rounded National Status Rank: NNR - Unranked
Spergularia atrosperma is a species of flowering plant in the pink family known by the common name blackseed sandspurry. It is native to California and Nevada, where it grows in muddy and sandy habitat, often in moist alkaline substrates. It is a small annual herb producing a slender stem up to 15 centimeters long. It is lined with fleshy linear leaves. The inflorescence bears small flowers with five pointed sepals and five oval white or pink petals. The fruit is a capsule containing shiny, sometimes iridescent, black seeds.
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