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.
A participle is a form of a verb that is used in a sentence to modify a noun, noun phrase, verb, or verb phrase, and thus plays a role similar to that of an adjective or adverb.It is one of the types of nonfinite verb forms.n adverbial participle (or a participial phrase/clause based on such a participle) plays the role of an adverbial (adverb phrase) in the sentence in which it appears, whereas an adjectival participle (or a participial phrase/clause based on one) plays the role of an adjective phrase.