Species Details

Malacothamnus jonesii var. gracilis

slender bush-mallow

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Photo of Malacothamnus jonesii var. gracilis

Classification

Scientific Name: Malacothamnus jonesii (Munz) Kearney var. gracilis (Eastw.) K. Morse
Common Name: slender bush-mallow
Family:	Malvaceae
Element Code:	PDMAL0Q0J0
USDA Plants Symbol:
Synonyms/Other Names: Malacothamnus gracilis (Eastw.) Kearn

Conservation Status

CA Rare Plant Rank:	1B.1
Fed List:	None
State List:	None
Global Rank:	G1Q
State Rank:	S1
Other Status:	SB_CalBG/RSABG
CRPR Changes: changed from 4.3 to 1B.1 on 2014-07-16
Add Date:	1974-01-01
Date Edited:	2024-03-06

Ecology and Life History

Lifeform: perennial deciduous shrub

Blooming Period: May-Oct

Elevation:
190 - 575 meters
625 - 1885 feet

General Habitats:

Chaparral

Microhabitat Details:

Microhabitat:

Rocky (usually)

Notes

Notes: Previously CRPR 4.3; rarer than originally thought. Threatened by vineyard and housing development. Should possibly be treated as a variety of M. jonesii, but the combination is not available. A synonym of M. jonesii in TJM (1993) and TJM 2. See Leaflets of Western Botany 1(18):219-220 (1936) for original description and 6(6):130 (1951) for taxonomic treatment.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	0
	Total EOs	% of EOs
EOs with Threat Listed:	0	%
No threats

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	5
Recent <=20 Years	0

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)
San Luis Obispo (SLO), Santa Barbara (SBA)

Quads: Name (Quad Code)
Arroyo Grande NE (3512025), Chimney Canyon (3512012), Huasna Peak (3512013)*, La Panza Ranch (3512042), Tar Spring Ridge (3512024)

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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Selected References

CNPS Status Review:

CRPR List Change on 2014-07-16