guttationn.

/ɡʌˈteɪʃən/

Etymology: < German guttation (A. Burgerstein 1887, in Verh. Zool.-bot. Ges. Wien XXXVII. 692), < Latin gutta drop + -tion suffix.

Botany.

The exudation of liquid from a plant, esp. from hydathodes in the leaves or from fungal mycelia.

ΘΚΠ

the world > plants > by nutrition or respiration > [noun] > exudation of moisture

transpiration1551

resudation1578

perspiration1664

sudoresis1834

guttation1889

1889 in Cent. Dict.

1900 A. J. Ewart tr. W. Pfeffer Physiol. Plants I. vi. 253 Burgerstein uses the special term ‘Guttation’ when the water escapes through water~pores.

1909 E. Warming et al. Oecol. Plants xxix. 101 Not only in the tropical rain-forest, but also in the temperate countries, are there many plants, especially herbs, exhibiting the phenomenon of guttation.

1932 G. D. Fuller & H. S. Conard tr. J. Braun-Blanquet Plant Sociol. v. 127 Guttation is especially common in warm, moist, tropical forests.

1966 F. M. Irvine tr. H. G. Lundegårdh Plant Physiol. vi. 296 In some trees and in many herbs the active xylem stream usually leaks through the hydathodes or in other ways if transpiration is restricted; this is the guttation phenomenon. Guttation occurs in almost all plants.

This entry has not yet been fully updated (first published 1972; most recently modified version published online June 2018).

单词	guttation
释义	guttationn. /ɡʌˈteɪʃən/ Etymology: < German guttation (A. Burgerstein 1887, in Verh. Zool.-bot. Ges. Wien XXXVII. 692), < Latin gutta drop + -tion suffix. Botany. The exudation of liquid from a plant, esp. from hydathodes in the leaves or from fungal mycelia. ΘΚΠ the world > plants > by nutrition or respiration > [noun] > exudation of moisture transpiration1551 resudation1578 perspiration1664 sudoresis1834 guttation1889 1889 in Cent. Dict. 1900 A. J. Ewart tr. W. Pfeffer Physiol. Plants I. vi. 253 Burgerstein uses the special term ‘Guttation’ when the water escapes through water~pores. 1909 E. Warming et al. Oecol. Plants xxix. 101 Not only in the tropical rain-forest, but also in the temperate countries, are there many plants, especially herbs, exhibiting the phenomenon of guttation. 1932 G. D. Fuller & H. S. Conard tr. J. Braun-Blanquet Plant Sociol. v. 127 Guttation is especially common in warm, moist, tropical forests. 1966 F. M. Irvine tr. H. G. Lundegårdh Plant Physiol. vi. 296 In some trees and in many herbs the active xylem stream usually leaks through the hydathodes or in other ways if transpiration is restricted; this is the guttation phenomenon. Guttation occurs in almost all plants. This entry has not yet been fully updated (first published 1972; most recently modified version published online June 2018). < n.1889
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