hydrotropismn.
/hʌɪˈdrɒtrəpɪz(ə)m/ Botany.
The property, exhibited by the growing parts (esp. the roots) of plants, of bending or turning under the influence of moisture. Cf. heliotropism n.
ΘΚΠ
the world > plants > part of plant > growth, movement, or curvature of parts > [noun] > tropisms
heliotropism1854
geotropism1873
apheliotropism1880
apogeotropism1880
nyctitropism1880
paraheliotropism1881
hydrotropism1882
selenotropism1883
selenotropy1883
rheotropism1884
orthotropism1885
plagiotropism1886
geotropy1888
haptotropism1888
aerotropism1889
phototropy1892
autotropism1897
plagiotropy1898
thermotropism1898
traumatropism1898
phototropism1899
gravitropism1969
1882 F. Darwin in Nature 27 Apr. 600 Hydrotropism,—Roots have the power of bending towards a wet surface.
1897 J. C. Willis Man. Flowering Plants I. 21 The root will be deflected toward the damp side, or..will exhibit positive hydrotropism.
This entry has not yet been fully updated (first published 1899; most recently modified version published online June 2018).
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