Taxon Report

Eriogonum umbellatum Torrey var. lautum Reveal

Scott Valley buckwheat

Print Report

©2007 Dean Wm. Taylor, Ph.D

Classification


Scientific Name:	Eriogonum umbellatum Torrey var. lautum Reveal
Common Name:	Scott Valley buckwheat
Family:	Polygonaceae
Element Code:	PDPGN086UX
USDA Plants Symbol:
Synonyms/Other Names:

Ecology and Life History


Lifeform:	perennial herb
Blooming Period: Jul-Sep	Jul-Sep
Elevation:	800-900 (2625-2955)
General Habitats:	Cismontane woodland, Lower montane coniferous forest
Microhabitat:	Flats, Gravelly, Sandy
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	1B.1
Global Rank:	G5T1
State Rank:	S1
State List:	None
Fed List:	None
Other Status:	SB_UCSC
CRPR Changes:	added to 1B.1 on 2007-06-25

Occurrence Data from the CNDDB


Total Occurrences:	2
Element Occurrence Ranks:
Excellent (A)	0
Good (B)	0
Fair (C)	0
Poor (D)	0
None (X)	1
Unknown (U)	1

Location


California Endemic: True
California Counties and Islands: Name (Code)
Siskiyou (SIS)
Quads: Name (Quad Code)
Etna (4112248), Greenview (4112258), McConaughy Gulch (4112247)*

Threat List Data from the CNDDB


Threat List Total:	1
EOs with Threat Listed:	Total EOs	% of EOs
	1	50 %
Development	1	50%

Notes



Known only from Scott Valley. Severely threatened by housing development. Potentially threatened by horticultural collecting. See Phytologia 86: 148 (2004).
Threats:

Taxonomy:

Selected References

CRPR List Addition on 2007-06-25

Citation California Native Plant Society, Rare Plant Program. 2024. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 25 December 2024].