Mule Fat

Red Shank

Sumac
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Plant Description

Common Name(s):Red Shank
Scientific Name:Adenostoma sparsifolium
Family:Roseaceae
Plant Type:Shrub or Tree
Size:up to 18 feet
Habitat:in rain shadow (dryer leeward side) of coastal slopes

While Red Shanks is not caught in bloom this time of year, to me it was a notable plant of the early winter months because of its bright green foliage and ability to hold water in its leaves and bark. While I have not lived in California for sometime now (2+ years and counting), memories of California winters and walking along the trail by Sandstone Peak always make me think of Red Shank's dewy aromatic moistness after a rain.

Red Shanks has a tree-like appearance and grows up to 18 feet tall. Bloomtime normally occurs from July to August with loose bundles of small white flowers. The bark on this plant is notably shredding and reddish-brown, helping to serve up its common name. Leaves are small and needle-like. As mentioned, the plant seems to capture rain water and dew like a sponge; stand underneath a branch on a foggy morning after a rain and shake it for an instant shower.

The genus name Adenostoma translates to "gland mouth" and refers to there being 5 glands at the mouth of the sepals. The species name sparsifolium, as might be expected, refers to the sparseness of the foliage. This plant is not very common but as mentioned, up by Sandstone Peak you can find many stands of it growing along the trail. Chamise (Adenostoma fasciculatum) is a related plant in the same genus and family, similar-looking though fuller, but is much more ubiquitous.

Contributed by Liz Baumann


Originally featured: November 2011
Last modified: May 12 2017 23:41:11.
References:
Wildflowers of the Santa Monica Mountains, by Milt McAuley
Flowering Plants: The Santa Monica Mountains, Coastal and Chaparral Regions of Southern California, by Nancy Dale
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