Taxon Details

Systenotheca vortriedei

Vortriede's spineflower

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Taxon Summary:

Systenotheca vortriedei, commonly known as Vortriede's spineflower, is a annual herb in the Polygonaceae that is found only in California. It occurs within Chaparral, and Cismontane woodland, growing at elevations from 500 to 1600 meters. Systenotheca vortriedei is ranked 4.3, Plants of Limited Distribution, A Watch List; Not very threatened in California.

Classification

Scientific Name: Systenotheca vortriedei (Bdg.) Rev. & Hardham
Common Name: Vortriede's spineflower
Family:	Polygonaceae
Element Code:	PDPGN0W010
USDA Plants Symbol:	SYVO
Synonyms/Other Names: Chorizanthe vortriedei Centrostegia vortriedei (Bdg.) Goodm.
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	4.3
Fed List:	None
State List:	None
Global Rank:	G3
State Rank:	S3
Other Status:	SB_UCBG
CRPR Changes:
Add Date:	1974-01-01
Date Edited:	2022-06-08

Ecology and Life History

Lifeform: annual herb

Blooming Period: May-Sep

Elevation:
500 - 1600 meters
1640 - 5250 feet

General Habitats:

Chaparral
Cismontane woodland

Microhabitat Details:

Microhabitat:

Sandy (sometimes)
Serpentine (sometimes)

Notes

Notes: See Great Basin Naturalist Memoirs 2:169-190 (1978) for taxonomic revision, and Phytologia 66(2):83-88 (1989) for revised nomenclature.
Threats:
Taxonomy:

Threat List Data from the CNDDB

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

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					0
A	B	C	D	X	U
0	0	0	0	0	0

Occurrence Status:
Historical >20 Years	0
Recent <=20 Years	0

Presence:
Presumed Extant	0
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Monterey (MNT), San Luis Obispo (SLO)

Quads: Name (Quad Code)
Alder Peak (3512183), Burnett Peak (3512172), Burro Mountain (3512173), Cone Peak (3612114), Lopez Point (3612115), Pebblestone Shut-in (3512161), Tassajara Hot Springs (3612125)

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.

Regional Map

Map

Presumed Extant

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CNPS Rare Plant Inventory