common madia
Madia elegans
Member of
tarweeds (genus Madia)
tarweeds and allies (tribe Madieae)
yellow daisies
sunflower family (family Asteraceae)
dicots (class Magnoliopsida)
yellow in flowering plants



- stem 6–250 cm, proximally soft- to coarse-hairy, distally glandular-hairy
- leaf 3–20 cm, 2–10 mm wide, lanceolate to linear
- heads in open, flat-topped clusters
- involucre 4.5–12 mm, ± coarse- or soft-hairy, generally also glandular-hairy
- phyllary tips erect or reflexed, flat
- phyllaries extend partway up petal (example)
- 25–80 disk flowers, staminate
- 5–22 ray flowers, 4–20 mm, relatively narrow petals, bright yellow, often maroon at base
- scattered, especially south of the bay
Chris’s observations: 21 (17 are research grade)
Locations:
- Edgewood Park & Natural Preserve: 4
- Sanborn CP: 4
- Russian Ridge OSP: 3
- Coal Creek OSP: 2
- Los Trancos OSP: 2
- Skyline Ridge OSP: 2
- Castle Rock SP
- Dimond Canyon Trail, Oakland
- Garrapata SP
- Long Ridge OSP
Months:
- May: 1
- Jun.: 3
- Jul.: 5
- Aug.: 1
- Sep.: 5
- Oct.: 4
- Nov.: 2
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Taxon info:
iNaturalist
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Calflora
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CalPhotos
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Jepson eFlora
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FNA
Bay Area species:
iNaturalist
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Calflora