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Polemonium chartaceum
Also called Mason's Sky Pilot, White Mountain Sky Pilot, White Mountains Sky Pilot
Polemonium chartaceum is a rare species of flowering plant in the phlox family known by the common names Mason's Jacob's-ladder and Mason's sky pilot. It is native to California, where it has a disjunct distribution. It occurs in the Klamath Mountains as well as the ranges east of the Sierra Nevada, including the White Mountains, where its distribution extends just into Nevada. It is a plant of high elevations, growing in exposed, rocky mountain slope habitat such as talus and alpine fellfields.
This is a perennial herb producing a small clump of a few erect stems reaching 20 centimeters in maximum height. Leaves clustered around the base of the stems are cylindrical bunches of many small, glandular leaflets. Each leaflet is deeply divided into lobes, making it appear like several leaflets growing together.
Tall Jacob's-ladder · Northern Jacob's-ladder · Brandegee's Jacob's-ladder · Jacob's Ladder · Moving polemonium · Royal Jacob's-ladder · Rocky Mountain Jacob's-ladder · Mount Eddy Jacob's-ladder · Elegant Jacob's-ladder · Skypilot · Towering Jacob's-ladder · Annual polemonium
Text excerpted from the Wikipedia article Polemonium chartaceum by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
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.
