Pectis imberbis

Gray

Beardless Cinchweed

G3Vulnerable Found in 3 roadless areas NatureServe Explorer →
G3VulnerableGlobal Rank
Identity
Unique IDELEMENT_GLOBAL.2.139133
Element CodePDAST6W0A0
Record TypeSPECIES
ClassificationSpecies
Classification StatusStandard
Name CategoryVascular Plant
Endemicoccurs (regularly, as a native taxon) in multiple nations
KingdomPlantae
PhylumAnthophyta
ClassDicotyledoneae
OrderAsterales
FamilyAsteraceae
GenusPectis
Concept Reference
Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.
Conservation Status
Review Date1999-05-13
Change Date1995-08-24
Edition Date1988-12-01
Edition AuthorsJoyal, E., rev. S. Schwartz (1996), rev. D. Gries (1997)
Range Extent250-20,000 square km (about 100-8000 square miles)
Number of Occurrences6 - 20
Rank Reasons
Pectis imberbis is known from at least nine element occurrences in Cochise and Santa Cruz Counties, Arizona, and eastern Sonora and western Chihuahua, Mexico. Threats are grazing and road maintenance activities.
Range Extent Comments
Southern Arizona: Cochise (type from "on the Sonoita") & Santa Cruz Counties; northern Mexico, eastern Sonora & western Chihuahua. Elevation is slightly higher than that of the Sonoran Desert.
Occurrences Comments
9 collections cited by Keil; Shreve & Wiggins state "at a number of localities, if not continuously, along eastern border of Sonora, Mexico.
Threat Impact Comments
Grazing and road maintenance activities.
Ecology & Habitat

Habitat

Open situations in grassland and oak/grassland. Adapted to disturbance; grows along roadcuts.
Other Nations (1)
United StatesN1
ProvinceRankNative
ArizonaS1Yes
Plant Characteristics
Economic Value (Genus)No
Roadless Areas (3)
Arizona (3)
AreaForestAcres
Santa RitaCoronado National Forest6,078
Santa RitaCoronado National Forest6,078
TumacacoriCoronado National Forest44,594
References (5)
  1. Arizona Natural Heritage Program. 1982. Pectis imberbis (Beadless chinchweed). U.S. Forest Service Contract Report, Tucson, Arizona.
  2. Falk, M. 1994. Bur. Land Management, Safford District, Rare Plant Workshop. November 14-16. Tucson, Arizona.
  3. Ferry, R.J., Sr., and R.J. Ferry, Jr. 1987. Calycanthus brockiana (Calycanthaceae), a new spicebush from north central Georgia. Sida 12(2): 339-341.
  4. Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.
  5. U.S. Fish and Wildlife Service (USFWS). 2019. Endangered Species Status for Beardless Chinchweed With Designation of Critical Habitat, and Threatened Species Status for Bartram’s Stonecrop With Section 4(d) Rule. Proposed rule. Federal Register 84(235): 67060-67104.