coast tarweed
Madia sativa
Member of
tarweeds (genus Madia)
tarweeds and allies (tribe Madieae)
sunflower family (family Asteraceae)
dicots (class Magnoliopsida)
yellow in flowering plants
Not to be confused with coastal tarweed (Deinandra corymbosa).
- stem 35–100 cm, coarse- and glandular-hairy throughout
- leaf 2–18 cm, 3–18 mm wide, broadly lanceolate to linear-oblong or linear
- heads in generally crowded, panicle-, raceme-, or spike-like clusters
- involucre 6–16 mm, coarse- and glandular-hairy
- phyllary tips erect or ± reflexed, flat
- 11–45+ disk flowers, anthers ± dark purple
- (5)8–13 ray flowers, 1.5–4 mm, green-yellow or occasionally purple-red abaxially or throughout
- very common
Chris’s observations: 20 (16 are research grade)
Locations:
- Pescadero Creek CP: 3
- Butano SP: 2
- Murray Ranch SP: 2
- Sweeney Ridge National Recreation Area: 2
- Bear Creek Redwoods OSP
- Calero CP
- Coal Creek OSP
- Golden Gate National Recreation Area
- Henry Coe SP
- La Honda Creek OSP
- McNee Ranch / Montara Mountain SP
- Monte Bello OSP
- Sam McDonald CP
- San Pedro Valley CP
- Sibley Volcanic RP
Months:
- Apr.: 1
- May: 1
- Jun.: 2
- Jul.: 6
- Aug.: 8
- Sep.: 2
For more details, use advanced search.
Taxon info:
iNaturalist
–
Calflora
–
CalPhotos
–
Jepson eFlora
–
FNA
Bay Area species:
iNaturalist
–
Calflora
