Page 31: 3,140 results for bract
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Bidens laevis (smooth beggar-ticks)
...Smaller bracts at base of bracts: there is a cycle of much smaller bracts outside the cycle of larger and longer bracts. Plant lifespan: ...
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Helianthus petiolaris (prairie sunflower)
... Bract cycle number: there are two main cycles of bracts. Bract outer side hair type: the bracts are hairy, with simple...
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Artemisia ludoviciana (white wormwood)
... Bract outer side hairs: the bracts are hairy on their outer surfaces. Bract spines: the bracts have no spines. ...
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Eupatorium pubescens (hairy boneset, hairy thoroughwort)
...of bracts at flower head base: 8.0 NA–10.0 NA. Bract shape: the main bracts are oblanceolate (widest near the tip, but otherwise ...
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Solidago canadensis (Canada goldenrod)
... Bract separation: the bracts appear completely unconnected to one another on all flower heads. Bract spines: the bract...
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Symphyotrichum tenuifolium (perennial saltmarsh American-aster)
... Bract inner side hairs: the bracts are not hairy on their inner surfaces. Bract tip orientation: the bracts are presse...
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Myriophyllum: Dichotomous Key
...Carpellate bracts usually 2 or more times as long as the flowers or fruits [Fig. 680]; staminate bracts with serrulate to pinnatifid margins 9a. Carpellate bracts prominently serrate to ...
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Bidens bipinnata (Spanish needles beggar-ticks)
... Bracts: there are at least two distinct forms of bracts in different cycles. Bract resin: the bracts have no resin or ...
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Bidens trichosperma (crowned beggar-ticks)
... Bract texture: the bracts appear thin, flexible and nearly translucent. Bract shape: the main bracts are of a differen...
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Bidens eatonii (Eaton's beggar-ticks)
... Bract spines: the bracts have no spines. Bract resin: the bracts have no resin or resin glands. ...