FWS Focus

Overview

Palmate-bracted bird’s-beak is an annual flowering herb in the broomrape family (Orobanchaceae). It can be found in seasonally flooded lowland plains and basins of the Sacramento and San Joaquin Valleys. 

Historically, palmate-bracted bird’s-beak was documented at nine sites between 1916 and 1982 (in Alameda, Colusa, Fresno, Madera, San Joaquin and Yolo counties), but only three were known to be extant at the time the species was listed as endangered on July 31, 1986: two natural populations (Springtown Alkali Sink and southeast of Woodland, which is now known as Alkali Grasslands Preserve) and one transplanted population (Mendota Wildlife Area).  As of 2009, the species was known to occur as a mosaic of small, isolated patches on approximately 1,500 acres of occupied habitat at eight sites ranging from the northern Sacramento Valley south to the San Joaquin Valley, two of which may now be extirpated.

Population sizes can vary greatly depending on rainfall, salinity and available host plants. A small population size one year can be followed by a much larger one the following year when conditions are optimal.

Threats to the species include agricultural conversion, intensive livestock grazing, urbanization and other activities that alter their habitat. Invasive non-native plants, loss of pollinators from use of pesticides, climate change climate change
Climate change includes both global warming driven by human-induced emissions of greenhouse gases and the resulting large-scale shifts in weather patterns. Though there have been previous periods of climatic change, since the mid-20th century humans have had an unprecedented impact on Earth's climate system and caused change on a global scale.

Learn more about climate change
, increased ozone and dust are additional threats. Cattle grazing can be both beneficial and harmful depending on how this management tool is applied. 

Like other members of this family, palmate-bracted bird’s-beak is partially parasitic, obtaining water and nutrients from the roots of other plants. The species grows on seasonally flooded, saline-alkali soils in lowland plains and basins at elevations of less than 500 feet in the Sacramento and San Joaquin Valleys. 

Palmate-bracted bird's-beak plants are 4–12 inches tall and highly branched. The stems and leaves are grayish green and sometimes are covered with salt crystals excreted by glandular hairs. Pale whitish flowers, up to 1-inch long, are arranged in dense spikes tightly surrounded by leaf-like bracts.

 

Scientific Name

Cordylanthus palmatus
Common Name
palmate-bracted bird's beak
palmbract bird's-beak
FWS Category
Flowering Plants
Kingdom

Location in Taxonomic Tree

Identification Numbers

TSN:

Geography

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Timeline

Explore the information available for this taxon's timeline. You can select an event on the timeline to view more information, or cycle through the content available in the carousel below.

6 Items

Listing

Listing

Five Year Review

Five Year Review

Five Year Review

Five Year Review

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Listing

Jul 16, 1985

Jul 16, 1985 Listing (Endangered)
Proposed End. Status for Cordylanthus palmatus (Palmate-bracted Bird's Beak); 50 FR 28870-28873
  • Publication type: Proposed
Item 1

Listing

Jul 1, 1986

Jul 1, 1986 Listing (Endangered)
Determination of End. Status for Cordylanthus palmatus (Palmate-bracted Bird's Beak); 51 FR 237…
  • Publication type: Final
Item 2

Five Year Review

Feb 14, 2007

Feb 14, 2007 Five Year Review (Information Solicitation)
Initiation of 5-Year Reviews of 58 Species in California and Nevada; Availability of Completed 5-Yea…
  • Publication type: Notice
Item 3

Five Year Review

May 21, 2010

May 21, 2010 Five Year Review (Completion)
Initiation of 5-Year Reviews of 34 Species in California and Nevada; Availability of 96 Completed 5-…
  • Publication type: Notice
Item 4

Five Year Review

Apr 1, 2013

Apr 1, 2013 Five Year Review (Information Solicitation)
Initiation of 5-Year Reviews of 56 Species in California and Nevada; request for information
  • Publication type: Notice
Item 5

Five Year Review

Feb 2, 2022

Feb 2, 2022 Five Year Review (Information Solicitation)
Initiation of 5-Year Status Reviews of 40 Species in California, Nevada, and Oregon; request for inf…
  • Publication type: Notice
Item 6