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向日葵的花部结构图

来源:baiyundou.net   日期:2024-08-23

鸢尾花画法

鸢尾花每当花开时节,数十朵、数百朵乃至更多的花朵在各分枝上逐一绽放,犹如彩蝶翩翩起舞,令人赏心悦目。

画鸢尾花的起笔顺序


鸢尾花与花蕾的组合


画鸢尾花叶的起笔顺序


鸢尾花蕾与叶的组合


作品创作步骤

步骤一:用三青加曙红点出花的结构,构图布局要安排得当。

步骤二:画出叶子,用墨和彩墨都可,注意深浅变化。

步骤三:为了构图需要浓墨加画石头,画石头时要注意用笔用墨的变化。

步骤四:点出花瓣上的斑点及叶子的筋脉,花茎连结。添画蝴蝶、石草等,收拾整理,题款用印。

范画欣赏

锦拍吹香

碧丛蜂舞

碧彩合舞

紫云翻飞

向日葵画法

向日葵别名向阳花、葵花、朝阳花、太阳花等,六月开花,每杆顶上只一花,花瓣大心,其形如盘,随太阳回转,如日东升则花朝东,日中天则花直朝上,日西沉则花朝西。古代文人把葵花一心向阳、矢志不移的品格,比喻为对君皇的忠节。

画向日葵花头的起笔顺序


向日葵花头的向背


画向日葵叶的起笔顺序


向日葵的叶子


作品创作步骤

步骤一:画出向日葵花盘,用赭墨、鹅黄画花瓣,注意构图安排前后。

步骤二:赭墨画出枝、叶子,注意笔墨要有变化。

步骤三:枝干用深浅墨连接整体大势,注意用笔穿插时要有前后虚实关系。

步骤四:勾勒向日葵黄花花形,并勾叶筋,点缀草虫,题款用印。

范画欣赏

娇黄新蕊

烂漫飘香

神女娉婷

日见金花

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文怨厕3353向日葵因生长在茎端的花盘随太阳转动而得名.如图是处于静止状态的向日葵,请在图中作出花盘的受力示意图 -
隆桑滢13965541992 ______ 向下啦,由于重力的作用

文怨厕3353向日葵的茎是什么样的 -
隆桑滢13965541992 ______ 向日葵的茎干在未干枯前呈绿色,布满刚毛,表面多凹皱不光滑,整体呈半木质化状,下部稍粗于上部,下部木质化程度更高.另外,你也可在百度图片中查看下图片.

文怨厕3353 生物体的结构层次比较(以向日葵和猫为例) -
隆桑滢13965541992 ______[答案] 绿色开花植物体向日葵的结构层次是:细胞→组织→器官→个体.植物体向日葵结构功能的基本单位是细胞,细胞分化形成不同的组织,有不同的组织构成器官,有六大器官构成一个完整的植物体,动物体猫的结构层次:细...

文怨厕3353玉米和向日葵是怎样的植物?是单子叶植物还是双子叶植物?为什么? -
隆桑滢13965541992 ______ 1、玉米是禾本科的一年生草本植物 .又名苞谷、苞米棒子、玉蜀黍、珍珠米等 .原产于中美洲和南美洲,它是世界重要的粮食作物,广泛分布于美国、中国、巴西和其他国家. 向日葵是菊科向日葵属的植物.因花序随太阳转动而得名.一年...

文怨厕3353向日葵因生长在茎顶端的花盘随太阳转动而得名.如图是处于静止状态的向日葵,请在图中作出花盘的受力示意图
隆桑滢13965541992 ______ 向下的重力和向上的支持力

文怨厕3353向日葵是怎样构成 -
隆桑滢13965541992 ______ 向日葵最适栽培温度为21~24℃,适合之发芽温度最少需在8~10℃以上,纬度平均每增加度,播种至开花期所需日数则增多1.9天;向日葵要有适当的光线,才能正常发育生长,设施栽培常因光线不足,温度增高,造成徒长发育不良;向日葵之...

文怨厕3353画向日葵茎局部横切图,要求符合生物绘图法规则; 标注结构名称:表皮...
隆桑滢13965541992 ______ 菊科的花序是头状花序. 以向日葵为例,葵花盘就是头状花序的一种类型.它的花有两种类型:中间的 花为筒状花冠,两性花,能结果,即葵花籽.葵花盘周围的花是无性花,为舌状 花冠,色彩鲜,起引诱昆虫的作用.

文怨厕3353向日葵向着太阳生长的原理? -
隆桑滢13965541992 ______ 即将开花或刚刚开花不久的向日葵,靠近花盘处的茎内有较多促进植物细胞生长的生长素,这种生长素会向背光一面转移分布,因此向日葵的茎靠近花盘处背着太阳的那一边生长得快,这就会使花盘朝向太阳的方向弯曲.

文怨厕3353向日葵的根是什么样 -
隆桑滢13965541992 ______ 根不太大,不太粗.承伞状分散

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