noun
geotropism
Scientific term in botany; refers to growth or movement of a plant in response to gravity.
根の屈地性は、重力の方向に従って成長する性質です。
Root geotropism is the property of growing in the direction of gravity.
走地性 (geotaxis) refers to directed movement of an organism toward or away from gravity, whereas 屈地性 is growth curvature in plants.
Compound of 屈 (くっ, 'bending') + 地 (ち, 'earth') + 性 (せい, 'property'), modeled after German Geotropismus or English geotropism.