Species Details

Malacothamnus involucratus

Carmel Valley bush-mallow

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Classification

Scientific Name: Malacothamnus involucratus (B.L. Rob.) K. Morse
Common Name: Carmel Valley bush-mallow
Family:	Malvaceae
Element Code:	PDMAL0Q0B1
USDA Plants Symbol:
Synonyms/Other Names: Malacothamnus palmeri (S. Watson) Greene var. involucratus (B.L. Rob.) Kearney

Conservation Status

CA Rare Plant Rank:	1B.2
Fed List:	None
State List:	None
Global Rank:	G3T2Q
State Rank:	S2
Other Status:	BLM_S; SB_UCSC; USFS_S
CRPR Changes:
Add Date:	1974-01-01
Date Edited:	2024-03-06

Ecology and Life History

Lifeform: perennial deciduous shrub

Blooming Period: Apr-Oct

Elevation:
30 - 1100 meters
100 - 3610 feet

General Habitats:

Chaparral
Cismontane woodland
Coastal scrub

Microhabitat Details:

Microhabitat:

Notes

Notes: Threatened by development in MNT Co. A synonym of M. palmeri in TJM (1993). See Synoptical Flora of North America 1(1):310 (1897) for original description and Leaflets of Western Botany 6(6):121 (1951) for revised nomenclature.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	4
	Total EOs	% of EOs
EOs with Threat Listed:	6	24 %
Grazing	4	16%
Military operations	2	8%
Road/trail construction/maint.	1	4%
Development	1	4%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					25
A	B	C	D	X	U
3	3	2	0	0	17

Occurrence Status:
Historical >20 Years	24
Recent <=20 Years	1

Presence:
Presumed Extant	25
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)
Cosio Knob (3612112), Espinosa Canyon (3612111), Hames Valley (3512088), Jolon (3512182), Monterey (3612158), Rana Creek (3612145), Seaside (3612157), Spreckels (3612156), Williams Hill (3512181)

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