Taxon Details
Chorizanthe rectispina
straight-awned spineflower
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Taxon Summary:
Chorizanthe rectispina, commonly known as straight-awned spineflower, is a annual herb in the Polygonaceae that is found only in California. It occurs within Chaparral, Cismontane woodland, and Coastal scrub, growing at elevations from 85 to 1035 meters. Chorizanthe rectispina is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.
Scientific Name: Chorizanthe rectispina Goodm. |
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Common Name: straight-awned spineflower |
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Family: | Polygonaceae | |
Element Code: | PDPGN040N0 | |
USDA Plants Symbol: | CHRE | |
Synonyms/Other Names: |
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Name Status: |
JEF, FNA, POWO, IPNI, Tropicos |
CA Rare Plant Rank: | 1B.2 |
Fed List: | None |
State List: | None |
Global Rank: | G2 |
State Rank: |
S2 |
Other Status: | BLM_S; SB_SBBG; USFS_S |
CRPR Changes: |
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Add Date: | 1974-01-01 |
Date Edited: | 2022-12-06 |
Lifeform: annual herb | ||||||||||||||
Blooming Period: Apr-Jul
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Elevation:
85 - 1035 meters 280 - 3395 feet |
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General Habitats:
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Microhabitat Details: | ||||||||||||||
Microhabitat:
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Threat List Total: | 13 | |
Total EOs | % of EOs | |
EOs with Threat Listed: | 28 | 67 % |
THREAT LIST: | ||
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Development | 15 | 35% |
Other | 11 | 26% |
Mining | 6 | 14% |
Non-native plant impacts | 4 | 9% |
Road/trail construction/maint. | 3 | 7% |
ORV activity | 2 | 4% |
Agriculture | 2 | 4% |
Biocides | 1 | 2% |
Disking | 1 | 2% |
Grazing | 1 | 2% |
Improper burning regime | 1 | 2% |
Military operations | 1 | 2% |
Wood cutting or brush clearing | 1 | 2% |
Total Occurrences: | 42 | ||||
Element Occurrence Ranks: | |||||
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A | B | C | D | X | U |
3 | 13 | 4 | 0 | 1 | 21 |
Occurrence Status: | |||||
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Historical >20 Years | 25 | ||||
Recent <=20 Years | 17 |
Presence: | |||||
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Presumed Extant | 41 | ||||
Possibly Extirpated | 1 | ||||
Presumed Extirpated | 0 |
California Endemic: | |||||||||||||
California Island: | |||||||||||||
States: Name (Code) California (CA) |
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California Counties and Islands: Name (Code) Monterey (MNT), San Luis Obispo (SLO) |
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Quads: Name (Quad Code) Atascadero (3512046), Bradley (3512077), Branch Mtn. (3512021)?, Camatta Ranch (3512043), Hames Valley (3512088), Lopez Mtn. (3512035), San Miguel (3512076), Santa Margarita (3512045), Tierra Redonda Mountain (3512078), Williams Hill (3512181), York Mountain (3512057) |
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Notes:
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Presumed Extant
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