Leptosiphon filipes

Leptosiphon filipes (syn. Linanthus filipes) is a species of flowering plant in the phlox family known by the common name thread linanthus.

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

Distribution

It is endemic to California, primarily in the foothills of the western Sierra Nevada, and also the Inner Northern California Coast Ranges. It is found below 1,300 metres (4,300 ft), in oak woodland, grassland, and Yellow pine forest habitats.

Description

Leptosiphon filipes is a petite annual herb producing a threadlike stem up to 20 centimeters long. The oppositely arranged leaves are each divided into linear lobes just a few millimeters long.

The inflorescence at the tip of the stem is generally composed of a single tiny flower a few millimeters wide. It is pink or white with a yellow throat. The bloom period is April to July.

External links

• Calflora Database: Leptosiphon filipes (Thread linanthus)
• Jepson Manual eFlora (TJM2) treatment of Leptosiphon filipes
• UC CalPhotos gallery: Leptosiphon filipes