Species Details

Calycadenia spicata

spicate calycadenia

View Report Copy Link Calflora eFlora CCH CalPhotos iNaturalist

Species Description:

Calycadenia spicata, commonly known as spicate calycadenia, is a annual herb in the Asteraceae that is . It occurs within Cismontane woodland, and Valley and foothill grassland, growing at elevations from 40 to 1400 meters. Calycadenia spicata is ranked 1B.3, Plants Rare, Threatened or Endangered in California and Elsewhere; Not very threatened in California.

Classification

Scientific Name: Calycadenia spicata (Greene) Greene
Common Name: spicate calycadenia
Family:	Asteraceae
Element Code:	PDAST1P090
USDA Plants Symbol:	CASP2
Synonyms/Other Names:
Name Status:	JEP, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	1B.3
Fed List:	None
State List:	None
Global Rank:	G3?
State Rank:	S3
Other Status:
CRPR Changes: added to 1B.3 on 2023-05-17
Add Date:	2023-04-05
Date Edited:	2024-05-09

Ecology and Life History

Lifeform: annual herb

Blooming Period: May-Sep

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

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.

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	0
	Total EOs	% of EOs
EOs with Threat Listed:	0	%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					41
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

Location

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.

Regional Map

Map

Presumed Extant

Click on quad for name. Hold Shift Key to use mouse scroll wheel

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)

CNPS Rare Plant Inventory