Page 43: 546 results for head
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Symphyotrichum tradescantii (Tradescant's American-aster)
...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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Tragopogon dubius (fistulous goat's beard, yellow salsify)
...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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Sonchus arvensis (field sow-thistle)
...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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Tripleurospermum inodorum (corn scentless-chamomile)
...Flower head outer flowers: at the outer edge of the flower head, each flower has a single enlarged lobe or strap. Flower head number: ...
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Packera schweinitziana (New England groundsel)
...Flower head outer flowers: at the outer edge of the flower head, each flower has a single enlarged lobe or strap. Flower head platform surface: ...
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Eupatorium perfoliatum (boneset thoroughwort)
...Flower head platform surface: NA. Flower head position: each of the flower heads is separate on its own peduncle (stalk), n...
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Helianthus giganteus (tall sunflower)
...Flower head outer flowers: at the outer edge of the flower head, each flower has a single enlarged lobe or strap. Growth form: ...
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Silphium perfoliatum (cup-plant rosinweed)
...Flower head outer flowers: at the outer edge of the flower head, each flower has a single enlarged lobe or strap. Ovary cross-section: ...
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Antennaria plantaginifolia (plantain-leaved pussytoes)
...flower heads: the flower head has disk flowers only, and lacks the strap-shaped flowers. Ray flower color: NA. ...
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Galinsoga quadriradiata (common quickweed, shaggy soldier)
...Flower head shape: the flower head is hemispherical (like the bottom half of a sphere). Stem bloom: there is no powdery or ...