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The upper angle between one part of a plant and another, e.g. the stem and a leaf. axile On an axis; of a placenta, on the central axis of the ovary. axillary Borne in or arising from the axil, usually referring to the axil of a leaf. axis The main stem of a whole plant or inflorescence; also, the line along which this stem extends.
While these plants are relatively low maintenance, it’s not unusual for peace lily leaves to turn yellow here and there due to stress, pests, or other issues. This guide explains the most common ...
The following terms are used to describe leaf morphology in the description and taxonomy of plants. Leaves may be simple (that is, the leaf blade or 'lamina' is undivided) or compound (that is, the leaf blade is divided into two or more leaflets). [1] The edge of the leaf may be regular or irregular, and may be smooth or have hair, bristles, or ...
Leaves turn yellow, wilt, turn brown and shrivel. White cottony growth on the stem. Can also affect heads. Plant may die. Don't plant safflower with other plants susceptible to S. sclerotiorum. Verticillum wilt Verticillum wilt: At any stage of growth. Leaves turn darker green than those of healthy plants. In older plants on lower leaves first.
It is a sprawling plant often exceeding 1 metre (3 feet) in height. The erect stem can be branched [3] and has widely spaced leaves all the way along, each leaf made up of three to five [3] leaflets, which are smaller closer to the top of the plant. [3] Atop the stem is a showy inflorescence of many bright yellow flowers. [3]
The plant grows 3-8 feet tall with an unbranched stem until reaching the inflorescence at the very top. [5] Its yellow flower heads, which bloom in late summer through early fall, are 1-2 inches wide and consist of up to 10 bright yellow ray florets that are angled downward, each bearing a notch at the end, as well as a spherical cluster of ...
The elongated silvery grey leaves clasp tightly to the stems and are covered in fine, silky hairs. The flower heads are yellow in color and spherical in shape, around 1 centimeter in diameter each, and often borne in clusters. [3] The florets are minute. Like many daisies, it has seeds which are gradually dispersed on the wind.
They are low growing plants, whose flower stems remain underground, that bear relatively large white, yellow, orange or purple flowers and then become dormant after flowering. Many are cultivated for their flowers, appearing in autumn, winter, or spring. The flowers close at night and in overcast weather conditions.