Page 68: 891 results for free
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Petasites hybridus (butterbur sweet-coltsfoot)
...more free-standing stems. Leaf blade tip: the tip of the leaf blade is rounded, with no point. Inflorescence shape: ...
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Centaurea nigrescens (short-fringed knapweed)
...more free-standing stems. Habitat: terrestrial. Leaf spines: there are no spines on the leaf edges...
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Sigesbeckia orientalis (common St. Paul's-wort)
...more free-standing stems. Leaf blade tip: the tip of the leaf blade is acute (sharply pointed). Flower head platform surface...
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Cerastium glomeratum (sticky chickweed)
...has free-central placentation, where the ovules develop on a central column in a compound ovary lacking septa or with septa at the base only. Fruit locules: ...
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Chrysopsis mariana (Maryland golden-aster)
...more free-standing stems. Height of flower head base: 7.0 mm–10.0 mm. Flower head shape: the sides of th...
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Helianthus occidentalis (naked-stemmed sunflower)
...more free-standing stems. Leaf blade base: the leaf has a distinct petiole. Bract tip shape: the t...
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Erigeron hyssopifolius (hyssop-leaved fleabane)
...more free-standing stems. Scale tip: NA. Ovary profile: in profile, the ovary is oblong (roughly r...
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Centaurea jacea (brown knapweed)
...more free-standing stems. Hairs on underside of leaf blade: the underside of the leaf is not hairy, or has very few hairs. D...
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Tanacetum parthenium (feverfew tansy)
...more free-standing stems. Flower head shape: the flower head is hemispherical (like the bottom half of a sphere). Seed hair ...
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Eupatorium pilosum (ragged thoroughwort)
...more free-standing stems. Bract shape: the main bracts are lanceolate (widest above the base, then taper narrowly towards the tip). ...