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Many bud scales are covered by a gummy substance which serves as added protection. When the bud develops, the scales may enlarge somewhat but usually just drop off, leaving a series of horizontally-elongated scars on the surface of the growing stem. By means of these scars one can determine the age of any young branch, since each year's growth ...
For example, bud scales occur on numerous kinds of leaf or branch buds, as well as on flower buds. [ citation needed ] Protective masses of dead leaves encircle the stems of some species of palm trees or aloes , but those are not usually regarded as cataphylls because their primary function while alive is photosynthesis.
The adult females resemble the bud of their coniferous hosts, [4] hence the name bud scale. Physokermes are difficult to identify to species, as only pre-reproductive females can be used. [ 4 ] Once females begin to oviposit , their bodies become distorted and it is not possible to detect the morphological features necessary to identify them to ...
A stipule is considered a "bud scale" if it is hard or scaly and protects leaf buds as they form. These generally fall off as soon as the leaf unfolds. A stipule is considered "tendrillar" if they are long thin tendrils, and are generally used by climbing plants. A stipule is considered "spiny" if they are long and pointy.
The bud scales enlarge with the growing shoot, and the innermost become stipules. No terminal bud is formed. No terminal bud is formed. The leaves are alternately arranged on the branchlets, ovate to ovate- lanceolate , often slightly falcate , [ 6 ] 5–12 cm (2– 4 + 3 ⁄ 4 in) long by 3–9 cm ( 1 + 1 ⁄ 4 – 3 + 1 ⁄ 2 in), [ 7 ] very ...
Scale leaves on the bud of a pear tree Scale leaves on the caulis of a Tussilago. A scale leaf is a leaf with a reduced blade which is mainly formed by the amphigastrium. It can be dry, membranous or coriaceous, but also sometimes green. Scale leaves protect with their bud scales the leaves and flowers inside the bud from drying out in winter ...
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The winter buds are light red, covered with pale scurfy down, protected by a pair of opposing scales. Flower-bearing buds are 2 cm (3 ⁄ 4 in) long, obovate, long pointed; other terminal buds are acute, 8.5 to 12.7 mm (1 ⁄ 3 to 1 ⁄ 2 in) long, while lateral buds are much smaller. The bud scales enlarge with the growing shoot and often ...
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