Taxon Report
Opuntia basilaris Engelm. & Bigel. var. brachyclada (Griffiths) Munzshort-joint beavertail |
|
Classification
|
Scientific Name: |
Opuntia basilaris Engelm. & Bigel. var. brachyclada (Griffiths) Munz |
|
Common Name: |
short-joint beavertail |
| Family: | Cactaceae |
| Element Code: | PDCAC0D053 |
| USDA Plants Symbol: | OPBAB |
|
Synonyms/Other Names: |
|
Ecology and Life History
| Lifeform: | perennial stem |
| Blooming Period: Apr-Jun(Aug) | Apr-Jun(Aug) |
| Elevation: | 425-1800 (1395-5905) |
| General Habitats: | Chaparral, Joshua tree "woodland", Mojavean desert scrub, Pinyon and juniper woodland |
| Microhabitat: | |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 1B.2 |
| Global Rank: | G5T3 |
|
State Rank: |
S3 |
| State List: | None |
| Fed List: | None |
| Other Status: | BLM_S; SB_CalBG/RSABG; USFS_S |
|
CRPR Changes: |
|
Occurrence Data from the CNDDB
| Total Occurrences: | 199 |
| Element Occurrence Ranks: | |
| Excellent (A) | 13 |
| Good (B) | 22 |
| Fair (C) | 28 |
| Poor (D) | 5 |
| None (X) | 0 |
| Unknown (U) | 131 |
| California Endemic: True | |
| California Counties and Islands: Name (Code) | |
| Los Angeles (LAX), San Bernardino (SBD) | |
| Quads: Name (Quad Code) | |
| Acton (3411842), Agua Dulce (3411843), Baldy Mesa (3411744), Black Mtn. (3411867), Cajon (3411734), Chilao Flat (3411831), Del Sur (3411863), Devore (3411724), Green Valley (3411854), Hesperia (3411743), Juniper Hills (3411748), Lake Arrowhead (3411732), Lake Hughes (3411864), Lebec (3411877), Lovejoy Buttes (3411757), Mescal Creek (3411746), Mint Canyon (3411844), Newhall (3411845), Pacifico Mountain (3411841), Palmdale (3411851), Phelan (3411745), Ritter Ridge (3411852), Silverwood Lake (3411733), Sleepy Valley (3411853), Telegraph Peak (3411735), Valyermo (3411747), Warm Springs Mountain (3411855), Waterman Mtn. (3411738) | |
Threat List Data from the CNDDB
| Threat List Total: | 15 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 104 | 52 % | |
| ORV activity | 42 | 21% |
| Improper burning regime | 29 | 14% |
| Development | 28 | 14% |
| Non-native plant impacts | 27 | 13% |
| Other | 13 | 6% |
| Vandalism/dumping/litter | 13 | 6% |
| Wood cutting or brush clearing | 11 | 5% |
| Recreational use (non-ORV) | 11 | 5% |
| Road/trail construction/maint. | 11 | 5% |
| Foot traffic/trampling | 11 | 5% |
| Erosion/runoff | 5 | 2% |
| Grazing | 2 | 1% |
| Mining | 2 | 1% |
| Logging | 1 | 0% |
| Over-collecting/poaching | 1 | 0% |
Notes
|
Threatened by urbanization, mining, horticultural collecting, grazing, and vehicles. Possibly threatened by powerline construction and non-native plants. Angeles NF has adopted species management guidelines. See Proceedings of the Biological Society of Washington |
|
Threats: |
|
Taxonomy: |
Citation
California Native Plant Society, Rare Plant Program. 2024. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 27 December 2024].