Meconella oregana

Oregon meconella, Oregon Meconella

Meconella oregana (Oregon meconella), native California herb

(c) J Straka, some rights reserved (CC BY) · licence

Family: Papaveraceae · Type: Herb · Native

Conservation status: CNPS 1B.1

Meconella oregana (Oregon meconella) is a native California herb in the Papaveraceae family.

Oregon meconella is a rare (CNPS 1B.1) California native annual found in the central Coast Ranges at Fort Ord and San Francisco Bay Area in the Berkeley Hills and Mount Hamilton, inhabiting shaded canyons at elevations below 1,000 meters. Flowering from March to May, this delicate plant produces white to pale flowers approximately 1 to 5 millimeters long with 4 to 6 stamens. Growing with slender stems 2 to 16 centimeters tall, it forms a compact, low-growing habit. Its leaves are small, measuring 3 to 18 millimeters long, and range from entire to minutely toothed. The plant produces elongated fruits 20 to 30 millimeters long, containing tiny obovate-reniform seeds less than 1 millimeter in size.

Identification and appearance

Key characters: 1 sympatric species. Key differentiator is stamen count: 4-6 vs 12-16 in M. californica

Habitat and range

Habitat: Shaded canyons

Elevation: < 1000 m

California counties: Santa Clara, San Luis Obispo, Monterey, Contra Costa

Outside California: southern Oregon, Washington

Bloom period

Meconella oregana blooms Mar-May.

Conservation status

CNPS 1B.1

How to tell it apart

vs Hesperomecon: Meconella is completely smooth; Hesperomecon has conspicuous bristly hairs.; vs Platystemon: Meconella has smooth, spoon-shaped leaves on stalks; Platystemon is hairy throughout.; vs Canbya: Meconella has spoon-shaped leaves on stalks; Canbya has stalkless fleshy leaves.

Frequently asked questions

Is Meconella oregana native to California?

Yes. Meconella oregana is native to California (recorded as native).

When does Meconella oregana bloom?

Meconella oregana blooms Mar-May.

Where in California does Meconella oregana grow?

Meconella oregana occurs in Santa Clara, San Luis Obispo, Monterey, Contra Costa, at elevations of < 1000 m.

What plant family does Meconella oregana belong to?

Meconella oregana is in the Papaveraceae family, genus Meconella.

Is Meconella oregana rare or endangered?

Meconella oregana carries California Rare Plant Rank 1B.1, state rank S2.

Related species

Other California species in the same genus, family, or bioregion.

All Meconella species · All Papaveraceae

Sources: Jepson eFlora · CNPS Rare Plant Inventory · Index of California Plant Names · CalPhotos · CDFW CNDDB

Last updated 2026-10-07

Data from The California Species Project — 14,000+ California species with verified data from CNPS, CDFW, USFWS, Cal-IPC, and more.