Page 42: 3,140 results for bract
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Senecio: Dichotomous Key
...involucral bracts 1–2 (–2.5) mm long 4a. Rays present, though inconspicuous; involucral bracts without a dark apex; involucre with about 13 principal involucral bracts 4b. Ra...
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Crepis foetida (stinking hawk's-beard)
... Bract cycle number: there are two main cycles of bracts. Bract spines: the bracts have no spines. ...
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Eutrochium maculatum (spotted Joe-Pye weed)
... Bract outer side hair type: the bracts are not hairy on their outer surface. Bract outer side hairs: the bracts are ha...
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Achillea ptarmica (pearl yarrow)
... Bract tip color: the tips are a different color from the center of the bract. Top of disk flower ovary: NA. ...
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Nipponanthemum nipponicum (Nippon-daisy)
... Bract shape: the main bracts are lanceolate (widest above the base, then taper narrowly towards the tip). Bract tip color: ...
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Helianthus tuberosus (tuberous sunflower)
... Bract width: 2.0 NA–4.0 NA. Leaf arrangement: alternate: there is one leaf per node along the stem. ...
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Helianthus grosseserratus (saw-toothed sunflower)
... Bract shape: the main bracts are linear (long and very narrow). Stem internode hairs: the stem has no hairs between th...
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Xanthium spinosum (spiny cocklebur)
... Bract cycle number: there are two main cycles of bracts. Bract separation: the bracts appear completely unconnected to...
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Artemisia biennis (biennial wormwood)
... Bract separation: the bracts appear completely unconnected to one another on all flower heads. Leaf blade base: the le...
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Coreopsis rosea (pink tickseed)
...Smaller bracts at base of bracts: there is a cycle of much smaller bracts outside the cycle of larger and longer bracts. Reproductive system: ...