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单词 rhizogen
释义

> as lemmas

rhizogen
rhizogen n.
Brit. /ˈrʌɪzə(ʊ)dʒ(ə)n/
,
U.S. /ˈraɪzədʒ(ə)n/
now rare (a) a plant that is parasitic on the roots of another plant; = rhizanth n. (now historical); (b) a part or organ from which a root or roots grow.
ΚΠ
1846 J. Lindley Veg. Kingdom 83 Rhizogens all agree in being of a fungus-like consistence.
1849 J. H. Balfour Man. Bot. §64 [Lenticels] are considered, by Decandolle.., as being the points where young roots are produced in certain circumstances, and on that account they have been called Rhizogens.
1920 New Phytologist 19 265 In the past names now forgotten such as Phanerocotyledons, Acramphibrya, Rhizogens were given with a view to correspondence with other groups supposed to be co-ordinate.
1936 Amer. Jrnl. Bot. 23 19/2 Preformed rudiments of roots or ‘rhizogens’ have been observed regularly in easily rooting woody stems.
extracted from rhizo-comb. form
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