1 Give trimmed plants a thorough soaking and a boost with a high-potash fertiliser, such as tomato feed. 2  Geraniums are fairly trouble free although they can be attacked by vine weevil larvae, slugs and snails. 3  Also, in dry conditions, they may suffer from powdery mildew.
The stipula is a scale which forms the future bud, and is situated at the insertions of the leaf. - The thorn, acculeus, is a sharp brittle point, which is so slightly fastened to the plant, as to be taken off without tearing the other parts.
stipule: one of (usually) a pair of early-developing appendages at the bases of leaves in many broad-leaved angiosperms, the term not used for monocot leaves, c.f. cross-zone, hyperphyll, hypophyll, lamina, leaf base, ligule, petiole, and Vorlaeuferspitze, vorlÃ¤uferspitze see, interpetiolar, intrapetiolar. sheathing