Taxon Details

Chorizanthe minutiflora

Fort Ord spineflower

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Taxon Summary:

Chorizanthe minutiflora, commonly known as Fort Ord spineflower, is a annual herb in the Polygonaceae that is found only in California. It occurs within Chaparral (maritime), and Coastal scrub, growing at elevations from 55 to 150 meters. Chorizanthe minutiflora is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.

Classification

Scientific Name: Chorizanthe minutiflora Rand. Morgan, Styer & Reveal
Common Name: Fort Ord spineflower
Family:	Polygonaceae
Element Code:	PDPGN04100
USDA Plants Symbol:
Synonyms/Other Names:
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	1B.2
Fed List:	None
State List:	None
Global Rank:	G1
State Rank:	S1
Other Status:	BLM_S; SB_SBBG
CRPR Changes: added to 1B.2 on 2017-01-17
Add Date:	2017-01-17
Date Edited:	2024-11-05

Ecology and Life History

Lifeform: annual herb

Blooming Period: Apr-Jul

Elevation:
55 - 150 meters
180 - 490 feet

General Habitats:

Chaparral (maritime)
Coastal scrub

Microhabitat Details:

Microhabitat:

Openings
Sandy

Notes

Notes: Discovered in 1994 by R. Morgan.
Threats: Threatened by lack of disturbance and chaparral succession. Also threatened by non-native plants.
Taxonomy:

Threat List Data from the CNDDB

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

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					5
A	B	C	D	X	U
0	0	0	0	0	5

Occurrence Status:
Historical >20 Years	1
Recent <=20 Years	4

Presence:
Presumed Extant	5
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Monterey (MNT)

Quads: Name (Quad Code)
Marina (3612167), Salinas (3612166), Seaside (3612157)

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 Status Review:	Proposed Addition to CRPR 1B.2, G1 / S1 (2017)
Original Description:	Phytoneuron 63:1-9 (2014)

CNPS Rare Plant Inventory