''Minuartia decumbens'' is a rare species of flowering plant in the family
Caryophyllaceae known by the common names The Lassics sandwort and Lassicus stitchwort.
The species was described in 1981 from the
type specimen observed on Mule Ridge in a string of peaks known as The Lassics.
[Nelson, T. W. & J. P. Nelson. (1981). A new species of ''Minuartia'' (Caryophyllaceae) from northwest California. ''Brittonia'' 33:2 162-4.]
Distribution
It is
endemic to
California, where it is known from only a single occurrence in the isolated inland mountains of the
North Coast Ranges in
Trinity County near the
Humboldt County line. It grows in the
serpentine soil
Serpentine soil is an uncommon soil type produced by weathered ultramafic rock such as peridotite and its metamorphic derivatives such as serpentinite. More precisely, serpentine soil contains minerals of the serpentine subgroup, especially anti ...
s of the mountain forests among
Jeffrey Pine
''Pinus jeffreyi'', also known as Jeffrey pine, Jeffrey's pine, yellow pine and black pine, is a North American pine tree. It is mainly found in California, but also in the westernmost part of Nevada, southwestern Oregon, and northern Baja Califo ...
s.
Description
''Minuartia decumbens'' is a low, mat-forming perennial herb growing a in a clump a few centimeters high from a thin, woody
taproot. The narrow, rigid, sometimes needle-like leaves are under a centimeter long and no more than 2 millimeters wide.
The tiny flowers have purple-tipped
sepals a few millimeters long and five white petals which are slightly smaller.
References
External links
Jepson Manual Treatment: ''Minuartia decumbens''USDA Plants Profile: ''Minuartia decumbens''Flora of North America
decumbens
Endemic flora of California
Natural history of the California Coast Ranges
Natural history of Trinity County, California
Plants described in 1981
Critically endangered flora of California
{{Caryophyllaceae-stub