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.
Like many terms used in the legal profession, stipulate has its roots in Latin. It derives from stipulatus, the past participle of stipulari, a verb meaning to demand a guarantee (as from a prospective debtor).. Stipulate has been a part of the English language since the 17th century.