您现在的位置:首页 > 新闻中心
豆目三科检索表(通用5篇)
日期:2023-08-27 作者: 新闻中心

  1、花冠辐射对称,花瓣镊合状摆放,雄蕊大都或少量·············含羞草科 1.花冠两边对称,花瓣覆瓦状摆放,雄蕊10···················(2) 2.花冠假蝶形,花瓣上升覆瓦状摆放,雄蕊10或较少,别离··········云实科

  2、花冠蝶形,花瓣下降覆瓦状摆放,龙骨瓣基部常结合雄蕊(9)+1成二体雄蕊··蝶形花科

  1.果实为开裂的蓇葖果,稀为蒴果;心皮1~5(~12),别离或连合,每心皮有2至大都胚珠;托叶有或无···························绣线.果实不开裂,叶具托叶··························(2) 2.子房下位或半下位:心皮2~5,大都与杯状花托内壁连合,肉质梨果或浆果···································苹果亚科 2.子房上位,心皮1或2至大都,别离···························(3) 3.心皮大都,生于膨大的花托上,或仅1~2个心皮生在宿萼上,每心皮有1~2颗胚珠;果实为瘦果,稀为核果;复叶,稀为单叶··················蔷薇亚科 3.心皮常为1个,少量2或5个,核果,萼常掉落,单叶具托叶········梅亚科

  一、念珠藻,蘑菇,海带,地钱,紫萁,银杏,玉米,向日葵,苹果,梅,编写植物检索表

  编写植物检索表选用二歧分类的办法,依据所列植物的形状特征,找出两两对应的特征,先一分为二,再分为二,一直到详细物种。检索表并无一致的答案,只需分清楚即可。如:

  二、荷花玉兰,香樟,虞美人,油菜,加杨,黄瓜,茜草,女贞,蒲公英,圆叶牵牛,泡桐,棕榈,小麦,黄杨。编制以上植物的分种检索表。 1.子叶数目为1,平行脉

  2、草本。.。.。.。.。.。.。.。.。.。.。.。.。.。.。.。.。.。.。.。.。小麦

  2、木本。.。.。.。.。.。.。.。.。.。.。.。.。.。.。.。.。.。.。.。.。棕榈 1.子叶数目为2,网状脉

  6、四叶轮生。.。.。.。.。.。.。.。.。.。.。.。.。.。.。.茜草

  8、头状花序。.。.。.。.。.。.。.。.。.。.。.。.。.。.。.蒲公英

  9、蒴果。.。.。.。.。.。.。.。.。.。.。.。.。.。.。.。.虞美人

  9、角果。.。.。.。.。.。.。.。.。.。.。.。.。.。.。.。.油菜

  10、灌木。.。.。.。.。.。.。.。.。.。.。.。.。.。.。.。.。.。.。黄杨

  12、叶对生。.。.。.。.。.。.。.。.。.。.。.。.。.。.。.。.。女贞

  比方紫叶李、美人梅、海棠、桃、梨、苹果、香樟、紫荆、丁香、女贞 1叶对生

  2、黑松、白皮松、金钱松、日本五针松、雪松 3.香樟 1.落叶乔木…………金钱松 1.常绿乔木

  5 其实挺简略的,你先用三四个编一编,把握办法后再添加个数,我给你编五个吧

  3·植物体内无叶绿素或其它光合色素,寄生或腐生…………菌类植物 2·植物体为藻类和菌类所组成的共生体…………………………地衣类植物 1. 植物体结构杂乱,有根、茎、叶的分解,有胚。(高等植物)

  4·植物体有茎和叶及假根…………………………………………苔藓植物门 4.植物体有茎、叶和根。

  5·植物以种子繁衍………………………………………… 种子植物门 现以野豌豆属(Vicia L.)常见种的分种检索表为例说明定距检索表的方式。 1.直立草本;无卷须.小叶仅1对;花小,蓝紫色,长13—15毫米;野生…………歪头菜(Vicia unijuga A. Br.)

  2 .小叶4—6对,对生或互生;花大,白色,有紫黑色斑,长25—30毫米;培养…………………………………………………………………………。.蚕豆(V. faba L.) 1.蔓生草本;有卷须

  4.小叶较宽,倒卵形,先端截形凹入,宽5—10毫米………………大巢菜(V. sativa L.)

  4.小叶细长,线毫米………………窄叶野豌豆(V. angustifolia L.)

  7.花白色或粉赤色……………………………………大野豌豆(V. gigantea Bge.)

  8.花黄紫色,稀白色;植物干后绿黄色…………长柔毛野豌豆(V. villosa Roth.)

  8.花紫赤色;植物体干后微赤色……………………山野豌豆(V. amoena Fisch.)

  9.托叶披针形,叶线形,两面具黄色短毛……………播送野豌豆(V. cracca L 。) 9.托叶半箭头形,有1—3个齿;叶矩形,无毛………………………………………… …………………………………………………确山野豌豆(V. kioshanica Bail.)

  10.小叶长10—25毫米,宽2. 5—8毫米;托叶具5粗齿……………………………………… ………………………………………………………三齿萼野豌豆(V. bungeri Ohwi)

  10.小叶长12毫米以下,宽2. 5毫米以下,托叶披针形 .荚果有毛,常含2粒种子;托叶具细齿…………小巢菜(V. hirsuta S. F. Gray) 11.荚果无毛,常含4粒种子;托叶披针形………………………………………………… ……………………………………………四籽野豌豆(V. teterasperma Moench.)

  7 本试验罗列以下几种植物,特征已列出,请按下列罗列主要特征(花与果)及非必须特征(营养器官)任选 5 种植物编制一个植物检索表,做为试验报告。

  ①马铃薯( Soolanum tuberosum L .)具地下茎,聚伞花序,花两性,花冠折扇状,冠生雄蕊 5 个,子房上位,浆果,叶羽状全裂。

  ②向日葵( Helianthus annuus L .)头状花序,花两性和无性,聚药雄蕊,单叶互生,大型草本,瘦果,子房下位,一年生。 ③苹果( Malus pumila Mill. )伞房花序,花两性,白色,蔷薇花冠,雄蕊大都,子房下位,梨果,木本,单叶互生。

  ④葡萄( Vitis vinifera L .)木质藤本,具卷须,圆锥花序,花两性,花瓣 5 ,在顶端粘组成帽状,雄蕊 5 ,于房上位,浆果,单叶割裂。

  ⑤大豆( Glycine max(L.)Merr .)草本,具根瘤,三出复叶,总状花序,两性花,蝶形花冠,二体雄蕊,荚果。

  ⑥玉米( Zea mays L .)草本,节与节间显着,花单性,雄花为圆锥花序,雌花为肉穗花序,无花被,雄蕊 3 个,颖果。

  ⑦白菜( Brassica pekinensis Ripr .) 二年生草本,单叶,总状花序,花黄色,两性,十字花冠,四强雄蕊,角果,具假隔阂。

  ⑧甜菜( Brta vulgaris L .)二年生草本,主根肥壮,肉质,单被花,花被 5 ,雄蕊 5 ,胞果。

  ⑨葱( Alliumfistulosum L .)草本,叶圆管状,聚伞状伞形花序,有总苞,花被 6 ,雄蕊 6 ,蒴果。 ⑩胡萝卜( Daucus carota var . sattva DC .)二年生草本,主根肥壮肉质,叶 2 - 3 回羽状全裂,复伞形花序,花瓣 5 ,雄蕊 5 ,双悬果。

  我国鸟类分目检索表 1 蹼兴旺,脚适应于游水 ··································· 2 ··········· ·········· ··········· ··· ·········· ··········· ··········· ··· 蹼不兴旺或缺,脚适于步行 ································· ··········· ·········· ··········· 7 ·········· ··········· ··········· 2 鼻呈角质管状 ····································鹱形目 ··········· ·········· ··········· ···· ·········· ··········· ··········· ··· 鼻不呈角质管状 ······································ ··········· ·········· ··········· ····· 3 ·········· ··········· ··········· ····· 3 趾间具全蹼(全蹼足) ································ 鹈形目 ··········· ·········· ··········· ·········· ··········· ··········· 趾间不具全蹼 ······································· 4 ··········· ·········· ··········· ······· ·········· ··········· ··········· ······· 4 嘴通常平扁,先端具嘴甲;雄性具交代器 ······················· ······················ 雁形目 ·········· ··········· · 嘴不平扁或不具嘴甲,雄性不具交代器 ·························· 5 ··········· ·········· ····· ·········· ··········· ····· 5 翅尖长;尾羽正常兴旺 ································鸥形目 ··········· ·········· ··········· ·········· ··········· ·········· 翅短,或尖或园;尾羽甚短 ·································6 ··········· ·········· ··········· · ·········· ··········· ··········· 6 向前的三趾间具蹼·································· ································· 潜鸟目 ·········· ··········· ··········· · 向前的三趾各具瓣蹼 ································ 鸊鷉目 ··········· ·········· ··········· ·········· ··········· ··········· 7 颈和脚均较长;胫下部裸出;蹼不兴旺 ························