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Plant Database

Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.

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Euphrasia oakesii

Euphrasia oakesii Wettst.

Oakes' Eyebright

Scrophulariaceae (Figwort Family)

Synonym(s): Euphrasia williamsii, Euphrasia williamsii var. vestita

USDA Symbol: EUOA

USDA Native Status: L48 (N), CAN (N)

It is hemiparasitic and attaches to host plants by specialized root connections.

 

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Plant Characteristics

Duration: Annual
Habit: Herb
Leaf Shape: Ovate
Fruit Type: Capsule
Size Notes: Up to about 4 inches tall.

Bloom Information

Bloom Color: White , Pink , Green , Blue , Purple , Brown
Bloom Time: Jun , Jul , Aug
Bloom Notes: Flower color varies from pinkish white to bluish purple to greenish brown.

Distribution

USA: ME , NH
Canada: NB , NL , PE
Native Distribution: High peaks of Maine, New Hampshire, Labrador, Newfoundland; very rare.
Native Habitat: Sunny turfy or gravelly slopes, alpine regions.

Growing Conditions

Soil pH: Alkaline (pH>7.2)
CaCO3 Tolerance: High

Web Reference

Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Webref 34 - Go Botany (2019) Native Plant Trust
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

USDA: Find Euphrasia oakesii in USDA Plants
FNA: Find Euphrasia oakesii in the Flora of North America (if available)
Google: Search Google for Euphrasia oakesii

Metadata

Record Modified: 2023-02-10
Research By: TWC Staff

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