For a medical symptom description of 'Muscle jerks', the following symptom information may be relevant to the symptoms: Muscle spasms (symptom). However, note that other causes of the symptom 'Muscle jerks' may be possible. More information on symptom: Muscle spasms: Muscle spasms.
Feeling the Heat. Excessive sun exposure and cold temperatures can turn lemon tree leaves yellow. Scorched leaves, which look bleached or have yellow patches, often appear only in parts of the tree facing the afternoon sun, but a cold snap affects leaves all over the tree.ellow lemon tree leaves can be a sign of disease. A lemon tree growing on poorly drained soil can develop Phytophthora root rot, which causes pale green to yellowish leaves.
White birch is easy to identify with its distinctive, white, papery bark. The sycamore tree also has white bark, but it does not sluff off in thin, paper-like furls like the white birch. The sycamore also has large hand-shaped leaves versus the white birchâs smaller, oval-shaped leaves with a pointed tip. The birch leaf is also irregularly toothed.