Page 63: 3,140 results for bract
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Myriophyllum sibiricum (northern water-milfoil)
... Bracts: the flowers or their pedicels have bracts at their bases. Petal length: 2.5 mm–2.5 mm. Stam...
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Juncus pylaei (Pylaei's soft rush)
...Inflorescence bract angle: the bracts are vertical or angled only slightly outwards. Tubercle height: 0.0 mm–0.0 mm. ...
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Helianthus: Dichotomous Key
...involucral bracts acute to obtuse at the apex, 3–5 mm wide, appressed, of several, conspicuously different lengths [Fig. 420] 5b. Disk corollas yellow; involucral bracts acuminate to atte...
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Tripleurospermum inodorum (corn scentless-chamomile)
... Bract outer side hair type: the bracts are not hairy on their outer surface. Bases of bract appendages: NA. ...
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Schoenoplectus pungens (three-square club-bulrush)
...Inflorescence bract number: there is just one bract on the inflorescence. Leaf blade cross-section: the leaf blade is flat ...
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Juncus conglomeratus (bunch-flowered soft rush)
...involucral bract at its base looks like an extension of the main stem. Inflorescence bracts: there is only one bract, and it looks like a continuatio...
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Antennaria plantaginifolia (plantain-leaved pussytoes)
...Smaller bracts at base of bracts: there is no smaller, outer cycle of bracts. Height of flower head base: 5.0 mm–8.0 mm....
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Myriophyllum pinnatum (cut-leaved water-milfoil)
... Bracts: the flowers or their pedicels have bracts at their bases. Underwater leaf blade shape: the underwater leaf bla...
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Vernonia noveboracensis (New York ironweed)
... Bract shape: the main bracts are oblong (roughly rectangular but rounded at the ends). Leaf tip extension: NA. ...
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Myriophyllum farwellii (Farwell's water-milfoil)
... Bracts: the flowers or their pedicels have bracts at their bases. Floating leaf blade width: 0.0 mm–0.0 mm. ...