| 释义 |
isochar|ˈaɪsəʊkɑː(r)|
[f. iso- + character n. rendering G. isopsepher (W. Rothmaler 1938, in Beih. Rep. Spec. Nov. Reg. Veg. C. 90), f. Gr. ψῆϕος number + ἦρος sign.]
A line (imaginary or on a map) linking areas containing plants showing similar numbers of distinguishing characteristics.
1963Davis & Heywood Princ. Angiosperm Taxon. ix. 317 The second procedure involves the drawing of Isopsepheren, a term which we can anglicise to isochars. These are based on the largest possible number of contrasting character expressions found in the taxa being studied... We are grateful to Dr. W. T. Stearn for suggesting this term. |