Page 45: 3,140 results for bract
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Salix key for carpellate reproductive material: Dichotomous Key
...floral bracts deciduous before maturation of fruit; branchlets of previous year usually glabrous; styles 0–0.2 mm long; aments sometimes branched (in part) 6b. Stipes (2–) 3–6 mm long; fl...
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Bidens tripartita (three-lobed beggar-ticks)
... Bracts: there are at least two distinct forms of bracts in different cycles. Bract shape: the main bracts are lanceola...
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Hieracium lachenalii (common hawkweed)
...Smaller bracts at base of bracts: there is a cycle of much smaller bracts outside the cycle of larger and longer bracts. Leaves on stem: ...
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Myriophyllum spicatum (Eurasian water-milfoil)
...lower bracts of inflorescence 2 or more times as long as the flowers or fruits, prominently toothed to lobed, upper bracts of inflorescence toothed to lobed (vs. M. spicatum, with lower bracts of infl...
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Asteraceae Group 1: Dichotomous Key
...Involucral bracts membranaceous to herbaceous, not prominently keeled; peduncles not swollen; stems with foliaceous leaves 2b. Involucral bracts becoming enlarged with an indurate, keeled...
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Erigeron strigosus (rough fleabane)
... Bract cycle number: there are two main cycles of bracts. Plant lifespan: the plant is annual, it lacks evidence of pre...
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Myriophyllum alterniflorum (alternate-flowered water-milfoil)
...Floral bract form: the bracts are much more lobed, or much less lobed, than the foliage leaves. Floating leaf shape: NA. ...
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Myriophyllum aquaticum (Parrot's-feather water-milfoil)
...Staminate bract edge (Myriophyllum): the edges of the staminate bracts have either forward-pointing teeth, or are pinnately lobed (with lobes projecting from both sides of th...
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Erigeron annuus (annual fleabane)
... Bract texture: the bracts have a similar texture to a leaf. Bract outer side hair type: the bracts are hairy on their ...
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Artemisia annua (annual wormwood, sweet sagewort)
...of bract appendages: NA. Bract shape: the main bracts are lanceolate (widest above the base, then taper narrowly towards th...