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Peirson's Aster
Oreostemma peirsonii
Oreostemma peirsonii (formerly Aster peirsonii) is a species of flowering plant in the family Asteraceae known by the common names Peirson's aster and Peirson's mountaincrown.
It is endemic to the Sierra Nevada of California, especially around the area where Fresno, Tulare, and Inyo Counties meet. It is a plant of the alpine climate of the high mountain peaks.
From the article Oreostemma peirsonii on Wikipedia (CC BY-SA), quoted section by section
Description
Oreostemma peirsonii is a small perennial herb growing from a caudex and taproot. It lies flat on the ground, growing no taller than about 8 centimeters. The leaves are located at the base of the plant and are linear in shape and narrow, growing a few centimeters long. The stem and leaves are mostly hairless and have scattered resin glands. The inflorescence bears a single flower head lined with green or purplish phyllaries. The head contains many purple ray florets between 1 and 2 centimeters long around a center of yellow disc florets. The fruit is an achene.
Where it lives
Recorded sightings
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geo-referenced records in GBIF, from museums, herbaria and field observers.
Drag the globe to turn it. Dots are where records exist, not a range map; darker means more records.
In the stacks
Searching the stacks…
Every page naming Oreostemma peirsonii in the Biodiversity Heritage Library →
This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 78281.