phylloplanen.
/ˈfɪlə(ʊ)pleɪn/, U.S. /ˈfɪləˌpleɪn/ Ecology.
The phyllosphere; esp. the surface of a plant's leaves, considered as a planar substrate for microorganisms.
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the world > plants > part of plant > leaf > [noun] > phyllosphere
leaf surface1843
leaf area1870
phyllosphere1955
phylloplane1965
1965 Trans. Brit. Mycol. Soc. 48 603 Several groups of micro-organisms..are known to occur in this zone, termed originally the ‘phyllosphere’ by Last (1955), and now recognized as the phylloplane.
1974 Ann. Rev. Phytopathol. 12 206 X[anthomonas]phaseoli var. fuscans survived on the phylloplane of primary leaves of Phaseolus vulgaris cultivar Sanilac, but disappeared quickly from the unifoliate leaves.
1987 Phaff & Starmer in A. H. Rose & J. M. Harrison Yeasts (ed. 2) I. v. 151 The phylloplane is a good substrate for saprophytic organisms.
This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022).
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n.1965