Species Details

Johanneshowellia puberula

downy buckwheat

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Scientific Name:
Johanneshowellia puberula (S. Watson) Reveal
Common Name:
downy buckwheat
Family: Polygonaceae
Element Code: PDPGN084X0
USDA Plants Symbol: JOPU
Synonyms/Other Names:
CA Rare Plant Rank: 2B.3
Fed List: None
State List: None
Global Rank: G4?
State Rank:
S1
Other Status:
CRPR Changes:
changed from 2.3 to 2B.3 on 2013-06-12
Add Date: 1980-01-01
Date Edited: 2021-05-26
Lifeform: annual herb
Blooming Period: May-Sep
JFMAMJJASOND
Elevation:
1300 - 2900 meters
4265 - 9515 feet
General Habitats:
  • Pinyon and juniper woodland (carbonate, sandy or gravelly)
Microhabitat Details:
Microhabitat:
Notes:
Known in CA from only two occurrences in the Cottonwood Mtns. See Phytologia 66(4):383 (1989) for taxonomic treatment.
Threats:
Taxonomy:
Total Occurrences: 2
Element Occurrence Ranks:
A B C D X U
0 0 0 0 0 2
Occurrence Status:
Historical >20 Years 2
Recent <=20 Years 0
Presence:
Presumed Extant 2
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA), Nevada (NV), Utah (UT)
California Counties and Islands: Name (Code)
Inyo (INY)
Quads: Name (Quad Code)
Tin Mountain (3611784), White Top Mtn. (3611774)
Notes:
Definitions of codes following a county and/or quad:
* Presumed extirpated
(?) Occurrence confirmed, but possibly extirpated
Quad and county data is imported from the CNDDB. Species may be present in other areas where conditions are favorable. These data should NOT be substituted for pre-project review or for on-site surveys.
Presumed Extant
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