Page 15: 546 results for head
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Vernonia missurica (Missouri ironweed)
...flower head base: 6.0 mm–10.0 mm. Flower head shape: the sides of the flower head are roughly parallel, like a cylinder. ...
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Solidago uliginosa (bog goldenrod)
...Flower head number: each flowering stem has four or more flower heads on it. Bract tip orientation: the bracts are pressed ...
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Lapsana communis (common nipplewort)
...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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Euchiton involucratus (common creeping-cudweed)
...Flower head number: each flowering stem has four or more flower heads on it. Leaf blade width: 2.0 mm–3.0 mm. ...
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Iva annua (rough marsh-elder)
...flower head base: 1.5 mm–4.0 mm. Flower head shape: the flower head is hemispherical (like the bottom half of a sphere). ...
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Scorzoneroides autumnalis (fall-dandelion)
...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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Helianthus decapetalus (thin-leaved sunflower)
...flower head ascending, not exceeding the disk of the flower head and leaf stalks 5-30 mm long (vs. H. decapetalus, with the involucral bracts at base of flower head spreading, much longer than the dis...
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Taraxacum palustre (marsh dandelion)
...Flower head profile: the disk is flat or nearly flat across the top. Flower type in flower heads: the flower head has ray f...
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Vernonia fasciculata (prairie 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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Acanthospermum australe (Paraguay starburr)
...flower heads: the flower head has tubular disk flowers in the center and ray flowers, these often strap-shaped, around the periphery. Flower head pos...