Page 36: 3,140 results for bract
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Myriophyllum verticillatum (whorled water-milfoil)
...lower bracts of inflorescence less than 2 times as long as the flowers or fruits, upper bracts of inflorescence entire to minutely toothed (vs. M. verticillatum, with lower bracts of inflorescence 2 o...
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Tussilago farfara (coltsfoot)
...Smaller bracts at base of bracts: there is a cycle of much smaller bracts outside the cycle of larger and longer bracts. Sap: ...
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Krigia biflora (two-flowered dwarf-dandelion)
...Smaller bracts at base of bracts: there is a cycle of much smaller bracts outside the cycle of larger and longer bracts. Disk flower lobe number: ...
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Erechtites hieraciifolius (American burnweed)
... Bract tip shape: the tips of the bracts are rounded. Smaller bracts at base of bracts: there is a cycle of much smalle...
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Antennaria howellii (small pussytoes)
...Smaller bracts at base of bracts: there is no smaller, outer cycle of bracts. Leaf blade shape: the leaf blade is obovate (...
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Echinops sphaerocephalus (greater globe-thistle)
... Bract tip shape: the tips of the bracts are acuminate (tapered to a narrow point). Bract shape: the main bracts are el...
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Eriophorum: Dichotomous Key
...involucral bracts present; stems produced singly or a few together from a rhizome 2a. Involucral bract 1 per inflorescence (sometimes with another very reduced, scale-like bract), erect; ...
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Asteraceae Group 2: Dichotomous Key
...principal bracts 20a. Leaves both opposite and borne on distinct petioles (rarely the upper leaves sessile) 21a. Involucral bracts all of similar length (1 or 2 outer, very s...
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Taraxacum: Dichotomous Key
...involucral bracts, as well as the inner ones, persistently appressed to ascending; plants 5–10 cm tall; involucres excluding the outer calyculus 12–16 mm tall 2b. Outer involucral bracts ...
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Oligoneuron rigidum (stiff flat-topped-goldenrod)
... Bract outer side hairs: the bracts are not hairy on their outer surfaces. Bract shape: the main bracts are oblong (rou...