- Navarretia fossalis
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Navarretia fossalis 
Conservation status Scientific classification Kingdom: Plantae (unranked): Angiosperms (unranked): Eudicots (unranked): Asterids Order: Ericales Family: Polemoniaceae Genus: Navarretia Species: N. fossalis Binomial name Navarretia fossalis
MoranNavarretia fossalis is a rare species of flowering plant in the phlox family known by the common names vernal pool pincushionplant and spreading navarretia.
It is native to southern California and Baja California, where it is known only from vernally wet areas, such as vernal pools, ditches, and other areas that are wet or flooded during the rainy season and dry the rest of the year. Many of these habitat areas have alkali soils arranged in uneven mounds and depressions that collect water and drain slowly before drying up.[1]
The plant became a federally listed threatened species in the United States in 1998, when there were approximately 30 occurrences of the species remaining in southern California and about nine left across the border in Baja California.[1] By 2009, an additional 17 occurrences had been documented.[1] The plant often occurs with Psilocarphus brevissimus.[2]
This is a hairy annual herb producing a spreading stem up to about 15 centimeters high. The hairless leaves are up to 5 centimeters long and are divided into narrow linear lobes that turn spiny sharp when dry. The inflorescence is a flat-topped head 1 or 2 centimeters wide filled with lobed bracts and clusters of flowers. The white or purple-tinged flowers are under a centimeter long and have corollas divided into minute narrow lobes under a millimeter long. The fruit capsule yields a clump of tiny seeds that remain stuck together until they become wet, turning into a sticky, separating mass.
References
- ^ a b c USFWS. Proposed Revised Critical Habitat for Navarretia fossalis (Spreading Navarretia). June 10, 2009.
- ^ Center for Plant Conservation
External links
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