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The reduction of chlorophyll production in leaves due to decreased sunlight in the autumn explains why some leaves turn yellow. However, the yellow color can attract aphids, so some trees turn the leaves red instead by injecting a bright pigment. [8] The loss of chlorophyll may also contribute to the abscission process. [citation needed]
In autumn, the leaves turn yellow or copper red. [15] The bald cypress is deciduous. [12] This species is monoecious, with male and female cones on a single plant forming on slender, tassel-like structures near the edge of branchlets. The tree produces cones in April and the seeds ripen in October. [15]
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Columnist Bill Lamont noticed that some of his trees looked like October foliage in August.
Leaves of young cypress trees are spreading and awl-shaped, and are typically small, scale-like formations that tightly adhere to older branches. They are usually aromatic , with glandular pits on the outer surface, and cover the stem in opposite pairs, giving the branchlet a four-sided appearance.
The Lone Cypress is a Monterey cypress tree located in Pebble Beach, California. Standing atop a granite headland overlooking Carmel Bay , the tree has become a Western icon and has been called one of the most photographed trees in North America.
Hesperocyparis lusitanica is an evergreen conifer tree with a conic to ovoid-conic crown, growing to 40 m tall. The foliage grows in dense sprays, dark green to somewhat yellow-green in colour. The leaves are scale-like, 2–5 mm long, and produced on rounded (not flattened) shoots.
The leaves are scale-like, highly glandular, resinous and aromatic, 2–5 mm long, and produced on rounded (not flattened) shoots. [ 3 ] The seed cones are globose to oblong, 25–55 mm long, with 6 or 8 (rarely 4 or 10) scales, green to brown at first, maturing gray or gray-brown about 20–24 months after pollination.