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ligulate head radiate head involucre of bracts Cichonum intybus Helianthus annuus А B disciform head Chaenactis douglasii Echinops exaltatus composite inflorescence of oneflowered heads one - flowered Inflorescence ཛ ། D gether by their ...
Five - rayed or 8pistillate flowers are generally very slender , in compari- rayed heads may be very constant , with few ... or 21 and 34 . the radiate to the disciform type of head , the ray part of the marginal corollas varying from ...
( yellow to red pigments ) to anthoxanthins ( yellow to scarSince each head represents a complete inflorescence , it let ... ( blue to purple or crimson flavotively few heads , each with relatively numerous flowers . noid pigments ) .
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This is the 198215th Edition, in two halves, with the Macropaedia and the Micropaedia. First published in 1768, the publisher is the oldest English-language encyclopedia still in print. Two Scottish ... Read full review