<!-- wp:heading {"level":5} --> <h5><a href="https://baike.baidu.com/item/%E5%9C%B0%E5%9D%9B%E5%85%AC%E5%9B%AD/8256648?fr=aladdin">地坛公园</a>又称方泽坛,是古都北京五坛中的第二大坛。地坛公园位于北京市东城区安定门外大街,占地37.4公顷。公园始建于明代嘉靖九年(公元1530年),是明清两朝帝王祭祀“皇地祇神”的场所,也是中国现存的最大的祭地之坛。地坛公园有方泽坛、皇祇室、牌楼、斋宫等著名旅游景点。1984年被评为北京市文物保护单位。<br><br>银杏(学名:<em>Ginkgo biloba </em>L.),为<a rel="noreferrer noopener" target="_blank" href="https://baike.baidu.com/item/%E9%93%B6%E6%9D%8F%E7%A7%91/3069430">银杏科</a>、<a rel="noreferrer noopener" target="_blank" href="https://baike.baidu.com/item/%E9%93%B6%E6%9D%8F%E5%B1%9E/3149739">银杏属</a>落叶乔木。银杏为落叶<a rel="noreferrer noopener" target="_blank" href="https://baike.baidu.com/item/%E5%A4%A7%E4%B9%94%E6%9C%A8/2111895">大乔木</a>,胸径可达4米,幼树树皮近平滑,浅灰色,大树之皮灰褐色,不规则纵裂,粗糙;有长枝与生长缓慢的距状短枝。幼年及壮年树冠圆锥形,老则广卵形;枝近轮生,斜上伸展(雌株的大枝常较雄株开展)。叶互生,在长枝上辐射状散生,有细长的叶柄,扇形,两面淡绿色,无毛。在长枝上散生,在短枝上簇生。它的<a rel="noreferrer noopener" target="_blank" href="https://baike.baidu.com/item/%E5%8F%B6%E8%84%89/6731913">叶脉</a>形式为“二歧状分叉叶脉”。在长枝上常2裂,基部宽楔形。球花雌雄异株,单性,生于短枝顶端的鳞片状叶的腋内,呈簇生状。4月开花,10月成熟,种子具长梗,下垂,常为椭圆形、长倒卵形、卵圆形或近圆球形。外种皮肉质,被白粉,外种皮肉质,熟时黄色或橙黄色。<br></h5> <!-- /wp:heading --> <!-- wp:jetpack/tiled-gallery {"columnWidths":[[59.971614352213756,40.028385647786244]],"ids":[5449,5448]} --> <div class="wp-block-jetpack-tiled-gallery aligncenter is-style-rectangular"><div class="tiled-gallery__gallery"><div class="tiled-gallery__row"><div class="tiled-gallery__col" style="flex-basis:59.971614352213756%"><figure class="tiled-gallery__item"><img alt="" data-height="2000" data-id="5449" data-link="https://billytang.com/_a7r8990/" data-url="https://billytang.com/wp-content/uploads/2020/07/A7R8990.jpg" data-width="2000" src="https://i2.wp.com/billytang.com/wp-content/uploads/2020/07/A7R8990.jpg?ssl=1" layout="responsive"/></figure></div><div class="tiled-gallery__col" style="flex-basis:40.028385647786244%"><figure class="tiled-gallery__item"><img alt="" data-height="2000" data-id="5448" data-link="https://billytang.com/_a7r8986/" data-url="https://billytang.com/wp-content/uploads/2020/07/A7R8986.jpg" data-width="1334" src="https://i1.wp.com/billytang.com/wp-content/uploads/2020/07/A7R8986.jpg?ssl=1" layout="responsive"/></figure></div></div></div></div> <!-- /wp:jetpack/tiled-gallery -->