Page 67: 891 results for free
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Potamogeton robbinsii (Robbins' pondweed)
...stipule free. Maximum densities can reach 1000 plants per square meter in water between 5 and 7 meters deep. Habitat: lacustrine (in lakes or ponds), riverine (in rivers or streams) All Charact...
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Artemisia ludoviciana (white wormwood)
...more free-standing stems. Bract tip color: the tips are a different color from the center of the bract. Leaf blade flatness:...
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Rudbeckia triloba (three-lobed coneflower)
...more free-standing stems. Leaf stalk: the leaves have no leaf stalks, but attach directly to the stem. Seed hair tuft color:...
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Antennaria plantaginifolia (plantain-leaved pussytoes)
...more free-standing stems. Leaf disposition: the lower leaves are larger, toothier, and/or on longer stalks than the upper leaves. ...
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Palafoxia texana (Texas palafox)
...more free-standing stems. Bract texture: the bracts appear thin, flexible and nearly translucent. Disk flower shape: ...
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Galinsoga quadriradiata (common quickweed, shaggy soldier)
...more free-standing stems. Leaf blade base shape: the base of the leaf blade is rounded. Tuft or plume on fruit: ...
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Hieracium umbellatum (narrow-leaved hawkweed)
...more free-standing stems. Flowering stem cross-section: the flowering stem is circular, or with lots of small angles. Underg...
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Centaurea stoebe (spotted knapweed)
...more free-standing stems. Bract margins: there are few or no fine hairs along the bract margins. Leaf spines: ...
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Logfia minima (little false cotton-rose)
...more free-standing stems. Leaf blade shape: the leaf blade is elliptic (widest near the middle and tapering at both ends). L...
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Hottonia inflata (American featherfoil)
...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. Leaf arrangement: ...