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• Physaria_filiformis abstract "Physaria filiformis (syn. Lesquerella filiformis) is a rare species of flowering plant in the mustard family known by the common names Missouri bladderpod and limestone glade bladderpod. It is native to Missouri and Arkansas in the United States. It was federally listed as an endangered species in 1987 and it was downlisted to threatened status in 2003.This is an annual herb producing several slender, branching stems up to 25 centimeters tall, growing erect or drooping. The leaves vary in shape, and the basal ones reach 2.4 centimeters in length. The inflorescence is a raceme of pale yellow flowers with petals half a centimeter to nearly one centimeter long. The fruit is a spherical silique. The plant is a winter annual, sprouting and forming a basal rosette of leaves in the fall and then producing stems and flower the following spring. Seeds are dispersed on the wind and in surface runoff.This plant grows in limestone glades and outcrops of bare bedrock in southwestern Missouri and northwestern Arkansas. The surrounding habitat may be prairie and pasture. Several types of forest may be adjacent to the glades. The soil is shallow on the glades and supports few other plants. The plant grows less often in more vegetated areas with deeper soils, probably because other plants successfully compete with it there. It is also less abundant in the shady understory of Juniperus virginiana forest, as sunlight is a limiting factor in its growth. It can be found in a number of microhabitats, a factor that is important in its management and conservation. Wildfire is important in the maintenance of the limestone glade habitat and even more so its surrounding ecotones. Fire is the mechanism that keeps these habitats open and free of large and woody vegetation that shade out small annuals. Fire prevents ecological succession in the open habitat where the plant grows. Other plants in the local habitat include Arenaria patula, Camassia scilloides, Nothoscordum bivalve, Opuntia humifusa, Satureja arkansana, Tradescantia tharpii, and Verbena canadensis.As the health of the local ecosystem depends on fire, the practice of fire suppression has caused the degradation of the habitat. When fire is prevented, woody vegetation moves in, covering the glades and blocking the light from reaching this small plant. This encroachment of surrounding vegetation is a main threat to the species. Other threats include off-road vehicles, limestone mining, and urban development. Invasive species of plants have been introduced to the habitat, including Bromus tectorum, a competitive grass. The plant may be affected by grazing, trampling, and other disturbance, but these threats are mild because the plant can tolerate light disturbance.When this plant was designated an endangered species there were nine populations. Extensive surveys located more occurrences and many of these were put under the protection of a number of agencies, including the National Park Service and The Nature Conservancy. By 2003 there were about 60 populations and the outlook for the plant had improved enough to warrant its downlisting to threatened status.Most occurrences of the plant are in southwestern Missouri. A large population can be found at Wilson's Creek National Battlefield. Conservation activities include protection of the habitat in public areas, prescribed burns to replace the natural fire regime, and reduced use of herbicides.".
• Physaria_filiformis class Eudicots.
• Physaria_filiformis conservationStatus "G3".
• Physaria_filiformis conservationStatusSystem "TNC".
• Physaria_filiformis division Flowering_plant.
• Physaria_filiformis family Brassicaceae.
• Physaria_filiformis genus Physaria.
• Physaria_filiformis kingdom Plant.
• Physaria_filiformis order Brassicales.
• Physaria_filiformis order Rosids.
• Physaria_filiformis synonym "Lesquerella filiformis".
• Physaria_filiformis thumbnail Lesquerella_filiformis.jpg?width=300.
• Physaria_filiformis wikiPageExternalLink profile?symbol=LEFI2.
• Physaria_filiformis wikiPageID "32192378".
• Physaria_filiformis wikiPageRevisionID "599133932".
• Physaria_filiformis binomial "Physaria filiformis".
• Physaria_filiformis binomialAuthority "O’Kane & Al-Shehbaz".
• Physaria_filiformis familia Brassicaceae.
• Physaria_filiformis genus "Physaria".
• Physaria_filiformis hasPhotoCollection Physaria_filiformis.
• Physaria_filiformis ordo Brassicales.
• Physaria_filiformis regnum Plant.
• Physaria_filiformis species "P. filiformis".
• Physaria_filiformis status "G3".
• Physaria_filiformis statusSystem "TNC".
• Physaria_filiformis synonyms "Lesquerella filiformis".
• Physaria_filiformis unrankedClassis Eudicots.
• Physaria_filiformis unrankedDivisio Flowering_plant.
• Physaria_filiformis unrankedOrdo Rosids.
• Physaria_filiformis subject Category:Flora_of_Arkansas.
• Physaria_filiformis subject Category:Flora_of_Missouri.
• Physaria_filiformis subject Category:Physaria.
• Physaria_filiformis type Eukaryote.
• Physaria_filiformis type Plant.
• Physaria_filiformis type Species.
• Physaria_filiformis type Organism.
• Physaria_filiformis comment "Physaria filiformis (syn. Lesquerella filiformis) is a rare species of flowering plant in the mustard family known by the common names Missouri bladderpod and limestone glade bladderpod. It is native to Missouri and Arkansas in the United States. It was federally listed as an endangered species in 1987 and it was downlisted to threatened status in 2003.This is an annual herb producing several slender, branching stems up to 25 centimeters tall, growing erect or drooping.".
• Physaria_filiformis label "Physaria filiformis".
• Physaria_filiformis sameAs m.0gx_phr.
• Physaria_filiformis sameAs Q7189514.
• Physaria_filiformis sameAs Q7189514.
• Physaria_filiformis wasDerivedFrom Physaria_filiformis?oldid=599133932.
• Physaria_filiformis depiction Lesquerella_filiformis.jpg.
• Physaria_filiformis isPrimaryTopicOf Physaria_filiformis.