Page 19: 351 results for involucre
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Krigia virginica (Virginia dwarf-dandelion)
...bristles, involucre 7–14 mm tall, and basal leaf blades 10–50 mm wide, glabrous (vs. K. virginica, with pappus of 5 evident, flat scales alternating with 5 longer, slender bristles, involucre 3–7 mm t...
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Solidago aestivalis (swamp wrinkle-leaved goldenrod)
... involucre 4–6 mm tall, involucral bracts oblong to narrow-ovate, the larger 0.7–1.2 mm wide, obtuse to rounded at the apex, and disk corollas 4–5.5 mm long (vs. S. aestivalis, with the in...
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Quercus macrocarpa (burr oak)
...an involucre). Petal fusion: NA. Leaf scar arrangement: there is one leaf scar per node on the ste...
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Sherardia arvensis (blue field-madder)
...an involucre composed of a whorl of distinct leaves (vs. S. arvensis, with sepals present, triangular, and inflorescence subtended by an involucre composed of a whorl of basally connate leaves).: ...
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Coreopsis basalis (golden mane tickseed)
Coreopsis basalis (A. Dietr.) Blake. golden mane tickseed. Non-Monocots Composites Facts About: Far outside its native range in southeastern and southern states, golden mane tickseed...
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Hieracium lachenalii (common hawkweed)
...and involucres with numerous stipitate glands (vs. H. lachenalii, with leaf blades green, without red to red-purple coloration and involucres with few to numerous stipitate glands).: Hiera...
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Crepis capillaris (smooth hawk's-beard)
... involucre mostly 8-10 mm tall, with abaxially glabrous or glabrate bracts, and body of cypsela 2.5-4 mm long (vs. C. capillaris, with the involucre mostly 5-8 mm tall, with usually abaxia...
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Cirsium discolor (field thistle)
Cirsium discolor (Muhl. ex Willd.) Spreng.. field thistle. Non-Monocots Composites Facts About: Field thistle is a native thistle of disturbed areas, usually with damp to wet soils. ...
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Anaphalis margaritacea (pearly everlasting)
Anaphalis margaritacea (L.) Benth. & Hook. f.. pearly everlasting. Non-Monocots Composites Facts About: Pearly everlasting is native to North America and Asia, but as a widely-cu...
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Senecio viscosus (sticky ragwort)
Senecio viscosus L.. sticky ragwort. Non-Monocots Composites Facts About: Sticky ragwort is a Eurasian annual weed found in waste areas, railroads, river beaches, and coastal headlan...