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Ochoco lomatium

Lomatium ochocense

Ochoco lomatium
Photo: Richard Helliwell, employee of USFS [1], Public domain

Ochoco lomatium is a rare, small perennial herb from the carrot family, endemic to the Ochoco Mountains of Crook County, Oregon. It grows only in exposed scabland with bedrock, so it is seldom cultivated and its care is poorly documented.

Family
Apiaceae (Carrot family)
Grows as
Perennial
Light
Full sun
Water
Water sparingly once established; it is adapted to dry scabland with little summer rain.
Soil
Thin, rocky, well-drained soil over bedrock; a gritty mix with grit or gravel.
Temperature
Tolerates cold winters and hot dry summers typical of high desert; exact limits unknown.
How easy
Hard
Native range
C. Oregon
Climate
temperate

About

Lomatium ochocense is a rare species of flowering plant in the carrot family known by the common name Ochoco lomatium. It is endemic to Oregon, where it is limited to the Ochoco Mountains of Crook County.

This plant was discovered in 1994 and described to science as a new species in 2010. It is a small perennial herb growing up to 8 centimeters tall. It grows from a large black root up to 3 centimeters in diameter. The waxy blue-green leaves are divided into many overlapping segments. The inflorescence is a compound umbel of flowers that extends out horizontally. The flowers are andromonoecious, either bisexual or only staminate with no female parts. It has tiny yellow petals and grows among many other species of Lomatium. It can be distinguished by its blue-green leaves with overlapping leaflets.

Other Lomatium plants

Wyeth biscuitroot · Plumas lomatium · Wasatch desertparsley · Bradshaw's desertparsley · Brandegee's desertparsley · California lomatium · Canby's biscuitroot · Alkali desertparsley · Yolla Bolly biscuitroot · Purple leptotaenia · Mariposa desertparsley · Agate desertparsley

Text excerpted from the Wikipedia article Lomatium ochocense by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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