苞狀的 的英文怎麼說
中文拼音 [bāozhuàngde]
苞狀的
英文
bractedoid-
The stamens and pistil of d. versipelis mature before the flowers open, which shows that dysosma versipelis may be autogamous. d. versipelis produce few fruits. ovaries of d. versipelis seldom develop in nature, but will develop after being pollinated with pollen of another plant
八角蓮的花在花苞未展開時,雄蕊和雌蕊便已成熟,說明八角蓮的繁育系統為自花受粉,八角蓮座果率非常低,自然狀態下,子房不膨大,人工異交后的子房有膨大現象,說明八角蓮自交低育,有生殖障礙。A unique developmental aspect involved in the life cycle of davidia involucrata baill. is the formation of two or three large - sized attractive white bracts surrounding a relatively small - sized capitulum
珙桐生活史中較獨特的發育事件是其較小的頭狀花序下形成的2 3個大型苞片。Testing of paper and board ; determination of spores of clostridium
紙和紙板的檢驗.梭狀芽苞桿菌苞子的測定Each individual floret of the spikelet is also subtended by two bracts, the lower being called the lemma and the upper the palea
每一朵能發育的花的外面又有兩片鱗片狀的薄片包住,稱為稃片,外面的一片稱外稃,是花基部的苞片,裏面的一片稱內稃。For example , the spiral arrangement of scale - bract complexes on ovule - bearing pine cones , where the female reproductive organs of conifers are located , is important to the production of airflow patterns that spiral over the cone ' s surfaces , thereby passing airborne pollen from one scale to the next
例如,帶有胚珠的松球的鱗苞綜合體的螺旋狀安排,亦即松柏目植物雌性殖器官的所在位置,對于氣流模式的形成與產生殊為重要,而這些氣流模式在松球的表現盤旋上升,從而把在空氣中飛行的花粉從一個鱗苞傳播至下一個鱗苞。The morphological characteristics are recognized as 3 types : nearly globe, nearly boat shape and nearly shield shape. the exine ornamentation can be divided into 5 types : reticulate, steiate - veticulate, tuberculate, verrucate and rugose - sinuate. the morphological characteristics show some vaviations among sections and species in terms of the shape of pollen and the exine ornamentation. and thus can be used as one of characters in the consideration of the classification of this genus. ( 4 ) the micromorphology of the seed coats were observed in 13 species
( 4 )所觀察的該屬13種植物的種皮表面紋飾可分為網紋、負網紋和皺波狀三大類,且各個種之間在種皮微形態上均存在著一定差異,可以作為分種的依據;在組間,除屬于有苞組( sect . amana )的t . edulis和其它組的種類有明顯差異外,其餘3組之間沒有明顯的界限,說明鬱金香屬的種皮微形態特徵在組的劃分上意義不大,但在種的劃分上具有一定的分類學意義。Most of the pandas are distributed between 2 600 - 2 800 m ; 2 ) the pandas more often exploit the conifer - and - broadleaf - mixed forests and prefer to feed fargesia denudafa and more of their activities happen in forests where arrow bamboo grows better ; 3 ) the pandas avoid habitats where human disturbance is intensive ( x2 = 22. 000, df - 3, p = 0. 000 ) ; logging and livestock grazing significantly influence feeding habitats of pandas, while herb collecting and poaching has not. the giant pandas prefer the habitats where no human disturbance occurs. in conclusion, human activitires have intensively influenced feeding and other activities of the giant panda and its habitats
垂直主要分佈在海拔2600 - 2800m范四川大學碩士學位論文圍內; 2 )主要利用植被類型中的針闊混交林,選擇有缺苞箭竹、而且缺苞箭竹生長良好的生境,對位置和森林起源這兩個生境因素的不同水平,都是隨機利用,沒有表現出明顯的偏好; 3 )大熊貓明顯迴避那些人類干擾強度大的生境( xz二22 . 000 , df = 3 , p = 0 . 000 ) ;伐木和放牧對大熊貓食竹的生長狀態有明顯影響,對發生采藥和偷獵的生境沒有明顯迴避;對於人類干擾強度大的生境,大熊貓利用頻度很低,干擾弱或中等時,表現出隨機利用;對于沒有干擾的生境,是高頻利用。It was found that : ( 1 ) the vegetation type of xiaozhaizigou nature reservation are broad leaved forest and coniferous deciduous forest, subalpine coniferous forests ; ( 2 ) there are " fargesia rufa, f. denudata, f. nitida, bashania fangiana " in various vegetation type in xiaozhaizigou nature reserve, especially mixed coniferous and broad - leaved forests and subalpine coniferous forests ; ( 3 ) in xiaozhaizigou, the broad - leaved forest, mixed coniferous and broad - leaved forests, and subalpine coniferous forests were suitable habitat for pandas ; ( 4 ) with the ascension of altitude, the vegetation type alters naturally and takes on natural state
結果表明: ( 1 )小寨子溝大熊貓生境的植被類型有2種:闊葉林和針葉林; ( 2 )小寨子溝自然保護區內分佈有青川箭竹、缺苞箭竹、華西箭竹、冷箭竹等多種箭竹,這些作為大熊貓食料的箭竹廣布在各種植被類型中,尤其是針闊混交林和亞高山針葉林; ( 3 )大熊貓對生境的群落結構有較廣的適宜性,闊葉林、針闊混交林、亞高山針葉林均可作為它的適宜生境; ( 4 )小寨子溝自然保護區內的植被類型是隨海拔的升高而自然過渡的,呈現出受人類活動影響較小的自然狀態。On the other hand, some characters used by the previous authors for distinguishing the varieties are extremely variable both within and among populations, but they are important in studying the evolution of the complex
同時認識到一些性狀(如總苞片寬度等)作為檢索表特徵是不可靠的。結合細胞學、細胞地理學研究成果,探討了形態學性狀演化趨勢。分享友人