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CLASSIFICATION
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LEAVES
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FLOWERS
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FRUIT
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STEM
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ECOLOGY
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CLASSIFICATION
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Common Name (Image)
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Scientific Name (Notes)
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Genus
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LV: Attachment
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LV: Shape
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LV: Edge
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LV: Apex/Base
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LV: Size/Surface
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FL: Petals/Sepals
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FL: Color
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FL: Arrangement
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FL: Size/Season
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FL: Stamen/Pistil/Ovary
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FR: Type
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FR: Color
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FR: Size/Season
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ST: Type/Size/Growth
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ST: Surface/Color
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ST: Buds/Roots
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EC: Edible
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EC: Habitat
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EC: Observations
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Common Name (Image)
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Scientific Name (Notes)
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Other Names
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Compositae/Abrosieae: LV: u. opposite; FL: 7+ parts, head, disk only, minute florets, indeterminate, imbricate bracts, ovary inferior; FR: achene; ST: u. herb/shrub; EC:
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u. opposite |
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7+ florets, disk only, |
White; Yellow; Orange; Red; Pink; Blue; Violet; Green; Brown |
head, indeterminate, imbricate bracts |
minute florets |
O: inferior |
achene |
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u. herb/shrub |
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Compositae/Abrosieae: LV: u. opposite; FL: 7+ parts, head, disk only, minute florets, indeterminate, imbricate bracts, ovary inferior; FR: achene; ST: u. herb/shrub; EC:
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| Canyon ragweed |
Ambrosia ambrosioides |
Ambrosia |
Petiole short (<1/2 leaf length) |
Lanceolate |
Serrate (coarsely) |
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Scabrous; Pubescent |
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Green |
Raceme (spike-like, nodding), Axillary |
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Purple |
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Shrub, >1' |
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Desert upland |
AZ |
Canyon ragweed |
Ambrosia ambrosioides |
chicura |
| Common ragweed |
Ambrosia artemisiifolia |
Ambrosia |
Petiole |
Ovate, Dissected |
Toothed (irregular serration) |
A: Acute |
>1" |
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Green/Brown |
Raceme, Axillary, Terminal |
<1", Summer; Fall |
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Herb, >1', Erect |
Green |
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Waste places; Roadside |
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Common ragweed |
Ambrosia artemisiifolia |
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| Triangle-leaf bursage |
Ambrosia deltoidea |
Ambrosia |
Petiole |
Deltoid, Simple |
Serrate |
A: Acute, B: Truncate |
>1", Tomentose, Gray-green |
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Green/Brown |
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Shrub |
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Desert |
AZ |
Triangle-leaf bursage, rabbitbush, burrobush |
Ambrosia deltoidea |
rabbitbush, burrobush |
| White bursage |
Ambrosia dumosa |
Ambrosia |
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Lanceolate, Parted |
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>1", Tomentose, Gray |
Indstinguishable |
Green/Brown |
Spike, Terminal |
<1", Spring; Summer; Fall |
|
dry burr |
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Shrub, >1' |
Tomentose, Gray |
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AZ |
White bursage |
Ambrosia dumosa |
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| Marsh elder |
Iva frutescens |
Iva |
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Salt marsh |
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Marsh elder |
Iva frutescens |
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| Clotbur |
Xanthium strumarium |
Xanthium |
alternate |
Lobed, orbicular |
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B: cordate |
6" |
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green |
burr, ovoid, bristly, beaked, axillary |
<1", fall |
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spiny burr |
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purplish, scabrous |
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Coastal |
Cape Cod |
Clotbur |
Xanthium strumarium |
rough cocklebur,clotbur, common cocklebur, large cocklebur, woolgarie bur, Marula Matangi, ghagra shak, sea burdock, beach clotbur |
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Common Name (Image)
|
Scientific Name (Notes)
|
Genus
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LV: Attachment
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LV: Shape
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LV: Edge
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LV: Apex/Base
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LV: Size/Surface
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FL: Petals/Sepals
|
FL: Color
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FL: Arrangement
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FL: Size/Season
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FL: Stamen/Pistil/Ovary
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FR: Type
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FR: Color
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FR: Size/Season
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ST: Type/Size/Growth
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ST: Surface/Color
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ST: Buds/Roots
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EC: Edible
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EC: Habitat
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EC: Observations
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Common Name (Image)
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Scientific Name (Notes)
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Other Names
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CLASSIFICATION
|
LEAVES
|
FLOWERS
|
FRUIT
|
STEM
|
ECOLOGY
|
CLASSIFICATION
|
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