Page 29: 546 results for head
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Centaurea nigra (black knapweed)
...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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Helianthus debilis (weak sunflower)
...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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Gamochaeta pensylvanica (Pennsylvania everlasting-cudweed)
...flower heads: the flower head has disk flowers only, and lacks the strap-shaped flowers. Leaf blade shape: the leaf blade i...
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Deinandra fasciculata (clustered moonshine-daisy)
...flower head base: 2.0 mm–13.0 mm. Flower head position: some or all the flower heads are grouped in clusters of two or more. ...
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Hieracium venosum (rattlesnake hawkweed)
...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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Nipponanthemum nipponicum (Nippon-daisy)
...Flower head shape: the flower head is hemispherical (like the bottom half of a sphere). Flower head profile: the disk is ro...
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Artemisia annua (annual wormwood, sweet sagewort)
...flower heads distinctly higher than others. Height of flower head base: 1.0 mm–2.0 mm. Flower type in flower heads: ...
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Hieracium caespitosum (yellow hawkweed)
...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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Echinacea purpurea (eastern purple coneflower)
...Flower head outer flowers: at the outer edge of the flower head, each flower has a single enlarged lobe or strap. Leaf disposition: ...
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Helianthus grosseserratus (saw-toothed sunflower)
...Flower head platform: the base has papery scales on it. Flower head outer flowers: at the outer edge of the flower head, ea...