Taxon Report

Hackelia amethystina J.T. Howell

amethyst stickseed

Print Report

Taxon Summary

Hackelia amethystina, commonly known as amethyst stickseed, is a perennial herb in the Boraginaceae that is found only in California. It occurs within Lower montane coniferous forest, Meadows and seeps, and Upper montane coniferous forest, growing at elevations from 1500 to 2315 meters. Hackelia amethystina is ranked 4.3, Plants of Limited Distribution, A Watch List; Not very threatened in California.

Classification


Scientific Name:	Hackelia amethystina J.T. Howell
Common Name:	amethyst stickseed
Family:	Boraginaceae
Element Code:	PDBOR0G010
USDA Plants Symbol:	HAAM
Synonyms/Other Names:

Ecology and Life History


Lifeform:	perennial herb
Blooming Period: Jun-Jul(Aug)	Jun-Jul(Aug)
Elevation:	1500-2315 (4920-7595)
General Habitats:	Lower montane coniferous forest, Meadows and seeps, Upper montane coniferous forest
Microhabitat:	Disturbed areas, Openings
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	4.3
Global Rank:	G4
State Rank:	S4
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: True
California Counties and Islands: Name (Code)
Alpine (ALP), Colusa (COL), El Dorado (ELD), Glenn (GLE), Lake (LAK), Lassen (LAS), Mendocino (MEN), Placer (PLA), Plumas (PLU), Tehama (TEH), Trinity (TRI), Tuolumne (TUO)
Quads: Name (Quad Code)
Antelope Lake (4012025), Buck Rock (3912288), Covelo East (3912372), Crescent Mills (4012018), Crockett Peak (3912247), Diamond Mtn. (4012036), Ebbetts Pass (3811957), Fouts Springs (3912236), Fredonyer Pass (4012037), Hull Mountain (3912258), Janesville (4012035), Kettle Rock (4012026), Kneecap Ridge (3912257), Log Spring (3912277), Mendocino Pass (3912278), North Yolla Bolly (4012228), Plaskett Meadows (3912267), Plaskett Ridge (3912268), Potato Hill (3912237), Riley Ridge (3912286), Sanhedrin Mtn. (3912351), South Yolla Bolly (4012217), St. John Mtn. (3912246), Tahoe City (3912022), Tamarack (3812041), Taylorsville (4012017), Tragedy Spring (3812062), Willows (3912252)

Threat List Data from the CNDDB


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

Notes



See Leaflets of Western Botany 3:125 (1942) for original description, and Memoirs of the New York Botanical Garden 26(1):213-214 (1976) for taxonomic treatment.
Threats:

Taxonomy:

Selected References

Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 30 January 2025].