> as lemmas
protomeristem
protomeristem n.
Brit. 
/ˌprəʊtə(ʊ)ˈmɛrᵻstɛm/
, /ˌprəʊtə(ʊ)ˈmɛrᵻstɛm/U.S. /ˌproʊdoʊˈmɛrəˌstɛm/
[after German Protomeristem (E. Russow 1872, in Mém Acad. Impér. Sci. St. Pétersbourg (Sér. 7) 19 186)] Botany = promeristem n. at pro- prefix2 1./ˌproʊdoʊˈmɛrəˌstɛm/ΘΚΠ
the world > plants > part of plant > cell or aggregate tissue > [noun] > tissue > meristem
meristem1872
plerome1875
protomeristem1880
calyptrogen1881
perimeristem1884
pleroma1890
promeristem1898
1880 C. E. Bessey Bot. 86 (heading) The primary meristem. [Note] This tissue is sometimes called Proto-meristem.
1965 K. Esau Plant Anat. (ed. 2) iv. 71 In descriptions of the primary differentiation at the apices of root and shoot, the initiating cells and their most recent derivatives may be distinguished, under the name of protomeristem,..from the partly differentiated but still meristematic subjacent tissues.
1980 Amer. Jrnl. Bot. 67 149/2 Formation of the primary body—The homogeneous protomeristem..differentiates as ground meristem and a ring of procambial strands.
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