Taxon Report

Eriogonum heracleoides Nutt. var. heracleoides

parsnip-flowered buckwheat

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Taxon Summary

Eriogonum heracleoides var. heracleoides, commonly known as parsnip-flowered buckwheat, is a perennial herb in the Polygonaceae that is found in California and elsewhere. It occurs within Great Basin scrub, Lower montane coniferous forest, Pinyon and juniper woodland, and Upper montane coniferous forest, growing at elevations from 1200 to 2930 meters. Eriogonum heracleoides var. heracleoides is ranked 4.3, Plants of Limited Distribution, A Watch List; Not very threatened in California.

Classification


Scientific Name:	Eriogonum heracleoides Nutt. var. heracleoides
Common Name:	parsnip-flowered buckwheat
Family:	Polygonaceae
Element Code:	PDPGN082R4
USDA Plants Symbol:	ERHEH3
Synonyms/Other Names:

Ecology and Life History


Lifeform:	perennial herb
Blooming Period: Jun-Aug	Jun-Aug
Elevation:	1200-2930 (3935-9615)
General Habitats:	Great Basin scrub, Lower montane coniferous forest, Pinyon and juniper woodland, Upper montane coniferous forest
Microhabitat:	Rocky (often)
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	4.3
Global Rank:	G5T5
State Rank:	S3
State List:	None
Fed List:	None
Other Status:
CRPR Changes:

Occurrence Data from the CNDDB


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

Location


California Endemic: False
California Counties and Islands: Name (Code)
Lassen (LAS), Modoc (MOD)
Quads: Name (Quad Code)
Cedarville (4112052), Eagle Peak (4112032), Emerson Peak (4112022), Lake Annie (4112081), McDonald Peak (4012084), Mt. Bidwell (4112082), Payne Peak (4112053), Warren Peak (4112042), Willow Ranch (4112083)

Threat List Data from the CNDDB


Threat List Total:	0
EOs with Threat Listed:	Total EOs	% of EOs
	0	0 %

Notes



Close to E. umbellatum. See Phytologia 66(4):347 (1989) for taxonomic treatment.
Threats:

Taxonomy:

Selected References

Citation California Native Plant Society, Rare Plant Program. 2026. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 23 February 2026].