Page 21: 546 results for head
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Tagetes minuta (miniature marigold)
...Flower head shape: the sides of the flower head are roughly parallel, like a cylinder. Flower head position: each of the fl...
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Eupatorium album (white thoroughwort)
...Flower head number: each flowering stem has four or more flower heads on it. Number of bracts at flower head base: 9.0 NA–15.0 ...
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Hieracium paniculatum (panicled 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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Arctium lappa (great burdock)
...flower heads 15-25 mm wide and array of flower heads not flat-topped (vs. A. lappa, with bur-like flower heads 25-45 mm wide and array of flower heads flat-topped).: Arctium minus ...
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Achillea tomentosa (woolly yarrow)
...Flower head platform: the base has papery scales on it. Flower type in flower heads: the flower head has tubular disk flowe...
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Ageratum conyzoides (tropical whiteweed)
...Flower head position: some or all the flower heads are grouped in clusters of two or more. Height of flower head base: 3.0 mm–3....
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Ageratina aromatica (lesser snakeroot)
...Flower head position: some or all the flower heads are grouped in clusters of two or more. Height of flower head base: 3.5 mm–5....
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Lasthenia minor (coastal goldfields)
...flower heads: the flower head has tubular disk flowers in the center and ray flowers, these often strap-shaped, around the periphery. Flower head pro...
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Hieracium aurantiacum (orange 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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Logfia minima (little false cotton-rose)
...Flower head number: each flowering stem has only one to three flower heads on it. Ovary hair type: the ovary has no hairs o...