| 单词 |
æcium |
| 释义 |
æcium Bot.|ˈiːsɪəm|
[mod.L., f. Gr. αἰκία injury.]
U.S. term for æcidium. Hence ˈæcial a. = æcidial a.; ˈæciospore = æcidiospore.
1905J. C. Arthur in Bot. Gaz. XXXIX. 221 For the sorus of the first spore-stage, usually..called aecidium, [etc.]..I propose aecium..derivatives aecial, aeciospore, etc. 1907― in Jrnl. Mycology XIII. 203 Cultures of Uredineae..aecial stage. 1929― et al. Plant Rusts i. 6 Aeciospores are binucleate and germinate..by producing a hypha. Ibid. 11 The aecia are the essential sori produced by the gametophytic mycelium in macrocyclic rusts... The cupulate form of aecium, generally known as the cluster-cup or aecidium. 1937Nature 8 May 800/2 The uredial and tetial stages have regularly occurred on the gramineous hosts, and the pycnial..and æcial stages on the common barberry. 1957Encycl. Brit. IX. 934/1 The aeciospores are borne in fructifications (sori) known as aecia, which are frequently cup-shaped receptacles..containing chains of spores, which arise from a primordial layer of cells at the base of the aecidium. |
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单词 dicula 释义 dicula Chiefly Roman Archit.|dkjl|[L.: see dicule.]A niche (for a statue)......