Holosteum umbellatum
Caryophyllaceae
Jagged Chickweed
Stems erect, unbranched, with glands midstem. Leaves clustered on lower stem, 1–4 pairs, opposite, widely egg-shaped, to 1 in. long, hairless or with few glands on hairs on edges. Inflorescence tops stem with long stalks in shape of umbrella, flowers at tips. Flowers white, 5 narrow petals with uneven edges. Grows in meadows, disturbed soils to 4500 ft. Called jagged chickweed for the uneven tips of the flower petals.
- Rarity: Locally Common
- Flowering Time: Early Spring, Mid Spring, Late Spring, Early Summer, Mid Summer, Late Summer
- Flower Form: 5 Petals-Many Stamens
- Life Cycle: Annual
- Height: 2–10 inches
- Habitat: Disturbed, Meadow
- Found In: Olympic NP, Siskiyous, Steens
- Native: No
