Species Details

Calycadenia spicata

spicate calycadenia

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Photo of Calycadenia spicata
© 2023 Christopher Bronny
Photo of Calycadenia spicata
© 2023 Christopher Bronny
Photo of Calycadenia spicata
© 2023 Christopher Bronny
Scientific Name:
Calycadenia spicata (Greene) Greene
Common Name:
spicate calycadenia
Family: Asteraceae
Element Code: PDAST1P090
USDA Plants Symbol: CASP2
Synonyms/Other Names:
Lifeform: annual herb
Blooming Period: May-Sep
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Elevation:
40 - 1400 meters
130 - 4595 feet
General Habitats:
  • Cismontane woodland
  • Valley and foothill grassland
Microhabitat Details:
Microhabitat:
  • Adobe
  • Clay
  • Disturbed areas
  • Dry
  • Gravelly
  • Openings
  • Roadsides
  • Rocky
Notes:
Formerly widespread but local at eastern edge of Central Valley and adjacent Sierra Nevada foothills.
Threats:
Possibly threatened by vehicles, development, habitat loss, inappropriate grazing, alteration of fire regimes, non-native plants, and pollution (nitrogen deposition).
Taxonomy:
A distinctive species with stems simple or branched only above the middle, peduncular bracts with only a single tack-shaped gland at the tip, phyllaries and paleae with many tack-shaped glands, and corolla white turning red with age.
Total Occurrences: 41
Element Occurrence Ranks:
A B C D X U
0 4 0 0 0 37
Occurrence Status:
Historical >20 Years 29
Recent <=20 Years 12
Presence:
Presumed Extant 41
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Amador (AMA), Butte (BUT), Calaveras (CAL), El Dorado (ELD), Fresno (FRE), Kern (KRN), Nevada (NEV), Placer (PLA), Sacramento (SAC), San Joaquin (SJQ), Stanislaus (STA), Tulare (TUL), Tuolumne (TUO), Yuba (YUB)
Quads: Name (Quad Code)
Auberry (3711914), Biggs (3912146), Buffalo Creek (3812152), Camp Far West (3912113), Carbondale (3812141), Clarksville (3812161), Clay (3812132), Cooperstown (3712065), Farmington (3712088), Folsom (3812162), Giant Forest (3611857), Glennville (3511866), Goose Creek (3812131), Grass Valley (3912121), Hamlin Canyon (3912166), Honcut (3912135), Ione (3812038), Irish Hill (3812048), Jenny Lind (3812017), Keystone (3712075), Knights Ferry (3712076), La Grange (3712064), Lake Isabella South (3511854), Lincoln (3812183), Loma Rica (3912134), Millerton Lake East (3711915), Oroville (3912155), Palermo (3912145), Pine Mountain (3511857), Shadequarter Mtn. (3611858), Shippee (3912156), Valley Springs (3812027), Wallace (3812028)
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.
Presumed Extant
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CNPS Status Review: Proposed Addition to 1B.3, G2G3 / S2S3 (2023)
Original Description: Bulletin of the Torrey Botanical Club 9: 15–17 (1882)
Revised Nomenclature: Flora Franciscana, pp. 420–424 (1897)