| Engellaria | |
|---|---|
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| herbarium specimen | |
Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Order: | Caryophyllales |
| Family: | Caryophyllaceae |
| Genus: | Engellaria Iamonico (2021) |
| Species: |
E. obtusa
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| Binomial name | |
| Engellaria obtusa (Engelm.) Iamonico (2021) | |
| Synonyms[1] | |
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Engellaria obtusa (synonym Stellaria obtusa) is a species of flowering plant in the family Caryophyllaceae[1] known by the common names Rocky Mountain chickweed,[3] blunt-sepaled starwort, and obtuse starwort. It is the sole species in genus Engellaria.[4] It is native to western North America, from British Columbia and AlbertatoCaliforniatoColorado, where it grows in moist areas in forests and on mountain slopes.
It is a rhizomatous perennial herb producing a prostrate, creeping, branching stem up to about 20 centimeters long, sometimes forming mats. The oval leaves are up to about a centimeter long and are borne in opposite pairs on the stem. Solitary flowers occur in the leaf axils, each borne on a short pedicel. The small flower has no petals, just four to five blunt-tipped green sepals each a few millimeters long.
| Engellaria |
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|---|---|
| Engellaria obtusa |
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| Stellaria obtusa |
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