Taxon Report

Matelea parvifolia (Torr.) Woodson

spear-leaf matelea

Print Report

Classification


Scientific Name:	Matelea parvifolia (Torr.) Woodson
Common Name:	spear-leaf matelea
Family:	Apocynaceae
Element Code:	PDASC0A0J0
USDA Plants Symbol:	MAPA9
Synonyms/Other Names:

Ecology and Life History


Lifeform:	perennial herb
Blooming Period: Mar-May(Jul)	Mar-May(Jul)
Elevation:	440-1095 (1445-3595)
General Habitats:	Mojavean desert scrub, Sonoran desert scrub
Microhabitat:	Rocky
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	2B.3
Global Rank:	G5
State Rank:	S3
State List:	None
Fed List:	None
Other Status:	USFS_S
CRPR Changes:	changed from 2.3 to 2B.3 on 2013-06-12

Occurrence Data from the CNDDB


Total Occurrences:	68
Element Occurrence Ranks:
Excellent (A)	1
Good (B)	1
Fair (C)	2
Poor (D)	0
None (X)	0
Unknown (U)	64

Location


California Endemic: False
California Counties and Islands: Name (Code)
Imperial (IMP), Riverside (RIV), San Bernardino (SBD), San Diego (SDG)
Quads: Name (Quad Code)
Agua Caliente Springs (3211683), Borrego Palm Canyon (3311634), Borrego Sink (3311623), Butterfly Peak (3311655), Clark Lake NE (3311643), Collins Valley (3311644), Corn Spring (3311563), Cottonwood Spring (3311567), Dale Lake (3411526), Earthquake Valley (3311614), East of Red Canyon (3311555), Flattop Mtn. (3411477), Hackberry Mountain (3511512), Hayfield (3311566), Hayfield Spring (3311565), Indian Cove (3411612), In-ko-pah Gorge (3211661), Kelso (3511516), Kelso Dunes (3411586), La Quinta (3311663), Pilot Mountain (3311553), Pinto Mountain (3311587), Queen Mtn. (3411611), Rancho Mirage (3311664), Red Canyon (3311556), Red Cloud Canyon (3311554), Sweeney Pass (3211672), Toro Peak (3311654), Tubb Canyon (3311624), Whale Peak (3311613), Whipple Wash (3411433), Woods Mountains (3511513)

Threat List Data from the CNDDB


Threat List Total:	4
EOs with Threat Listed:	Total EOs	% of EOs
	2	3 %
Foot traffic/trampling	1	1%
Non-native animal impacts	1	1%
Non-native plant impacts	1	1%
Other	1	1%

Notes



Possibly threatened by recreational activities.
Threats:

Taxonomy:

Selected References

Citation California Native Plant Society, Rare Plant Program. 2024. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 25 December 2024].