Page 35: 546 results for head
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Lactuca serriola (prickly lettuce)
...flower heads: the flower head has ray flowers only, meaning all of the individual flowers of the flower head have a strap-shaped ray, which may or may not have teeth at the v...
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Erigeron annuus (annual fleabane)
...flower heads: the flower head has tubular disk flowers in the center and ray flowers, these often strap-shaped, around the periphery. Height of flowe...
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Cirsium vulgare (common thistle)
...Flower head shape: the flower head is hemispherical (like the bottom half of a sphere). Smaller bracts at base of bracts: t...
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Guizotia abyssinica (niger-seed)
...flower heads: the flower head has tubular disk flowers in the center and ray flowers, these often strap-shaped, around the periphery. Final leaf segm...
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Hypochaeris radicata (hairy cat's-ear)
...flower heads: the flower head has ray flowers only, meaning all of the individual flowers of the flower head have a strap-shaped ray, which may or may not have teeth at the v...
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Achillea filipendulina (fern-leaved yarrow)
...flower head base: 3.0 mm–3.0 mm. Flower head outer flowers: at the outer edge of the flower head, each flower has a single enlarg...
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Hieracium umbellatum (narrow-leaved hawkweed)
...Flower head platform: the base has no bristles or papery scales. Flower type in flower heads: the flower head has ray flowe...
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Lasthenia californica (California goldfields)
...Flower head platform: the base has no bristles or papery scales. Flower type in flower heads: the flower head has tubular d...
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Vernonia noveboracensis (New York ironweed)
...Flower head outer flowers: at the outer edge of the flower head, the flowers have no enlarged lobe or strap, and are of similar size as those in the center of the disk. ...
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Question: This plant has come up in great abundance in my newly created …
...flower heads that have short, white ray flowers around the margin of the flower head.