Short's bladderpod (Physaria globosa)

Listing Status: Endangered

Where Listed: WHEREVER FOUND

General Information

Short’s bladderpod is distinguished in the field from other yellow-flowering mustards with a shared distribution based on dense pubescence (fine hairs) that gives the leaves a gray-green appearance, the small pubescent siliques (pods) born on straight pedicels (stems that attach single flowers to the larger flowering structure), and stems that are typically (though not always) branching to give the plant a low, sprawling, bushy appearance disinguish (Rollins and Shaw 1973, pp. 166-169, Shea 1993, p. 5). The following technical description of Short’s bladderpod is based on Flora of North America (O’Kane 2010, p. 639), Gleason and Cronquist (1991, p. 187), and Krosnick et al. (in prep). Short’s bladderpod is an upright biennial or perennial (lives for 2 years or longer) with several stems, some branched at the base, reaching heights up to 50 centimeters (cm) (20 inches (in.)), and which are leafy to the base of the inflorescence (a group or cluster of flowers arranged on a stem that is composed of a main branch or a complicated arrangement of branches). The basal leaves, borne on short petioles (stalks) are 2.5 to 5 cm (1 to 2 in.) in length and 0.5 to 1.5 cm (0.2 to 0.6 in.) wide, obovate (egg-shaped and flat, with the narrow end attached to the stalk) or oblanceolate (with the widest portion of the leaf blade beyond the middle) in shape, with a smooth or slightly wavy margin, and gray-green in color due to a layer of dense hairs. Leaves are gradually reduced in size and petiole length higher up the stem. Numerous flowers are borne on a heterothetic compound raceme, with a rachis consisting of both primary (vertical) and secondary (lateral) axes, each of which produces an indeterminate raceme (elongate, spike-shaped inflorescence to which individual flowers are attached by slender pedicels, or stalks, which in Short’s bladderpod are longer than the flowers). The yellow flowers are composed of four spoon-shaped petals, 0.4 to 0.7 cm (0.16 to 0.28 in.) long, with a nectary at the base of each petal. The fruit is globose in shape and lightly beset with stellate (star-shaped) hairs, but becoming smooth with time, and typically contains one to four seeds.

The species historical range included Indiana, Kentucky, Tennessee. See below for information about where the species is known or believed to occur.

Current Listing Status Summary

» Range Information

Current Range
Last Updated: 08-31-2018 - Wherever found
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Current range maps are only shown within the jurisdictional boundaries of the United States of America. The species may also occur outside this region.

  • Wherever found

    Listing status: Endangered

    • States/US Territories in which this population is known to or is believed to occur: Indiana, Kentucky, Tennessee
    • US Counties in which this population is known to or is believed to occur: View All
    • USFWS Refuges in which this population is known to occur: 

» Candidate Information

No Candidate information available for this species.

No Candidate Assessments available for this species.

Candidate Notice of Review Documents

No Uplisting Documents currently available for this species.

» Federal Register Documents

Federal Register Documents

» Species Status Assessments (SSAs)

Species Status Assessments (SSAs)
Special Rule Publications

No Special Rule Publications currently available for this species.

» Conservation Plans

No Conservation Plans currently available for this species.

» Petitions

» Biological Opinions

To see all FWS Issued Biological Opinions please visit the BO Report.

» Life History

Habitat Requirements

Short’s bladderpod typically grows on steep, rocky, wooded slopes and talus areas. It also occurs along tops, bases, and ledges of bluffs and infrequently on sites with little topographic relief. The species usually is found in these habitats on south- to west-facing slopes near rivers or streams, and most populations are closely associated with calcareous outcrops. The most vigorous and stable occurrences are found in sites with a relatively open overstory canopy.

» Other Resources

NatureServe Explorer Species Reports-- NatureServe Explorer is a source for authoritative conservation information on more than 50,000 plants, animals and ecological communtities of the U.S and Canada. NatureServe Explorer provides in-depth information on rare and endangered species, but includes common plants and animals too. NatureServe Explorer is a product of NatureServe in collaboration with the Natural Heritage Network.

ITIS Reports-- ITIS (the Integrated Taxonomic Information System) is a source for authoritative taxonomic information on plants, animals, fungi, and microbes of North America and the world.

FWS Digital Media Library -- The U.S. Fish and Wildlife Service's National Digital Library is a searchable collection of selected images, historical artifacts, audio clips, publications, and video." +

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