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Howell's biscuitroot

Lomatium howellii

Also called Howell's Lomatium

Howell's biscuitroot
Photo: Walter Siegmund (talk), CC BY-SA 3.0

Howell's biscuitroot is a perennial wildflower in the carrot family, native to serpentine soils in the Klamath Mountains of southern Oregon and northern California. It grows best in a sunny, well-drained spot with lean soil and little summer water.

Family
Apiaceae (Carrot family)
Grows as
Perennial
Light
Full sun
Water
Water sparingly in the growing season and let it dry out fully in summer.
Soil
Lean, gritty, well-drained soil; serpentine or rocky mix.
Temperature
Hardy to around -15 °C; tolerates hot, dry summers.
How easy
Hard
Native range
SW. Oregon to NW. California
Climate
temperate

About

Lomatium howellii is an uncommon species of flowering plant in the carrot family known by the common name Howell's biscuitroot, or Howell's lomatium. It is native to the Klamath Mountains of southern Oregon and northern California, where it is a member of the local serpentine soils flora.

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 howellii 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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