Leptosiphon nuttallii

Leptosiphon nuttallii is a species of flowering plant in the phlox family known by the common name Nuttall's linanthus.

Leptosiphon nuttallii
subsp. pubescens
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Ericales
Family:	Polemoniaceae
Genus:	Leptosiphon
Species:	L. nuttallii
Binomial name
Leptosiphon nuttallii (A.Gray) J.M.Porter & L.A.Johnson
Synonyms
Linanthus nuttallii

It is native to much of western North America, including the Western United States from California to New Mexico and Montana, and Northwestern Mexico.^[1] It is known from many types of habitat.

It is native to the Klamath Mountains, Northern California Coast Ranges and Sierra Nevada in Northern California; and the Inyo Mountains, Peninsular Ranges, Transverse Ranges, and White Mountains in Southern California.^[2]

Description

Leptosiphon nuttallii is a perennial herb producing a patch of small, hairy stems up to about 20 centimeters tall. Each leaf is divided into usually five very narrow, needlelike lobes.

The inflorescence is a cluster of flowers, each with white corolla lobes about half a centimeter long each joined at a yellowish throat.

Subspecies

Subspecies include:

• Leptosiphon nuttallii ssp. howellii, Mt. Tedoc linanthus — a rare subspecies known from just a few populations deep within the Yolla Bolly-Middle Eel Wilderness in the Klamath Mountains, Northern California.^[3] It is California Department of Fish and Wildlife and IUCN listed Endangered species, and is on the California Native Plant Society Inventory of Rare and Endangered Plants.^[4]
• Leptosiphon nuttallii ssp. nuttallii — the most widespread subspecies, including in the Cascade Range and Rocky Mountains.^[5]
• Leptosiphon nuttallii ssp. pubescens — endemic to the Eastern Sierra Nevada and Great Basin region in California and Nevada.^[6]
• Leptosiphon nuttallii ssp. tenuilobus — native to Arizona and New Mexico.^[7]