Ione Manzanita (Arctostaphylos myrtifolia)
Description
Arctostaphylos myrtifolia is a rare species of manzanita known by the common name Ione manzanita. It is endemic to the Sierra Nevada foothills of California. It grows in the chaparral and woodland plant community on a distinctive acidic soil series in western Amador and Calaveras Counties. There are only about 17 occurrences, but the plant is abundant in some areas of its limited range.Arctostaphylos myrtifolia is a red-barked, bristly shrub reaching just over a meter in maximum height. The small bright green leaves are coated in tiny glandular hairs and are shiny but rough in texture. They are less than 2 centimeters long. The inflorescence is a raceme of urn-shaped manzanita flowers on bright red branches. The fruit is a cylindrical drupe only a few millimeters long.This is a federally listed threatened species.
Taxonomic tree
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Domain: Eukarya
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Kingdom: Plantae
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Phylum: Magnoliophyta
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Class: Magnoliopsida
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Order: Ericales
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Family: Ericaceae
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Genus: Arctostaphylos
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