A fungal infection (bright green) of an Arabidopsis (a plant related to cabbage and mustard) root.
Image by Kirk Czymmek, University of Delaware.
Phytological History 1673 Nehemiah Grew
from: ‘An Idea of a Phytological History Propounded, Together with a Continuation of the Anatomy of Vegetables, Particularly Prosecuted upon Roots’, 1673, also at SICD.
(via scientificillustration)
Bulb and succulent root of a two year old Oxalis macrocarpa (AG49). There are four bulblets on ~1/2 cm stolons; three are visible. The root has begun to contract, noticeable in its folded epidermis. The scale bar is 1 cm.