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1、植物分類學(xué) 復(fù)習(xí)思考題一名詞概念1.模式法則:任何分類單位名稱的應(yīng)用均以相應(yīng)命名模式為準(zhǔn)。2.模式標(biāo)本:作為規(guī)定的典型標(biāo)本,在確定與發(fā)表某一群生物的學(xué)名時,應(yīng)給出特征和作為標(biāo)準(zhǔn)的模式標(biāo)本。3.優(yōu)先律原則:分類單位的命名以最先發(fā)表的為準(zhǔn)。4.子實體:高等真菌在生殖時形成的特殊結(jié)構(gòu)。5.擔(dān)子與擔(dān)孢子:擔(dān)子菌綱擔(dān)子果上的核配場所,經(jīng)合子減數(shù)分裂產(chǎn)生4個擔(dān)孢子。6.子囊與子囊孢子:子囊菌綱子囊果上的核配場所,經(jīng)合子減數(shù)分裂形成8個子囊孢子。 7.擬蕨植物(小型葉蕨類):包括石松綱、水韭綱、木賊綱和松葉蕨綱,小型葉無葉柄、葉隙,只有一個單一不分支的葉脈。8.頸卵器植物:包括苔蘚植物、蕨類植物(雌性生殖器

2、官為頸卵器)和裸子植物(具退化頸卵器)。9.孢子葉球:裸子植物孢子葉聚生成的球果狀或穗狀結(jié)構(gòu),大孢子葉(心皮)形成大孢子葉球(雌球花),小孢子葉(雄蕊)形成小孢子葉球(雄球花)。10.球果:裸子植物的生殖結(jié)構(gòu),由胚軸、不發(fā)育短枝、種子、種鱗、苞鱗組成。11.真花學(xué)說:美國學(xué)者Bessey認(rèn)為,被子植物的花是一個簡單的孢子葉穗,由本內(nèi)蘇鐵目具兩性孢子葉的球穗花進(jìn)化來:覆瓦狀排列的苞片花被,羽狀分裂或不分裂的小孢子葉雄蕊,大孢子葉雌蕊(心皮),孢子葉球的軸花軸。12.假花學(xué)說:奧地利學(xué)者Wettstein認(rèn)為,被子植物的花與裸子植物的球花完全一致,每個雄蕊、雌蕊(心皮)分別相當(dāng)于一個極端退化的雄球

3、花、雌球花,設(shè)想被子植物起源于麻黃類,由于麻黃、買麻藤等主要為單性花,因此原始被子植物為單性花。2 理解各種花序類型和果實類型的含義,舉出代表植物。1.花序類型1.1 無限花序:從基部向頂端(邊緣向中心)開花的花序,屬單軸分枝。1.1.1 單總狀花序:花序軸不分枝的無限花序??偁罨ㄐ颍夯ㄐ蜉S較長,從下到上生有近等長花柄的兩性花。油菜、花生、紫藤。傘房花序:花序軸較短,基部花柄長,越近端部越短,各花分布近同一水平面。梨、蘋果、麻葉繡線菊、山楂。傘形花序:花序軸短縮,各花自軸頂生出,花柄等長,如傘狀。五加、人參、韭菜。頭狀花序:花序軸短縮(球形或盤形),密生無柄或近無柄的花,苞片常聚成總苞,生于花

4、序基部。向日葵、三葉草。隱頭花序:花序軸肉質(zhì),肥大內(nèi)凹成頭狀囊體,很多無柄單性花隱生在囊壁,雄花在上,雌花在下,花序在囊前端留一孔,容昆蟲進(jìn)出傳粉。無花果、薜荔。穗狀花序:花序軸較長,生有很多無柄兩性花。車前、馬鞭草。葇荑花序:花序軸生有很多無柄或短柄單性花,通常雌花序軸直立,雄花序軸下垂,開花后一般整體脫落。楊、柳、楓楊。肉穗花序:花序軸膨大肉質(zhì),生有很多無柄單性花,外有大型苞片。玉米、香蒲的雌花序、半夏、天南星。1.1.2 復(fù)總狀花序:花序軸分枝,各枝排列與開花特點為總狀式。圓錐花序:花序軸分枝總狀式,每個分枝為一總狀花序。女貞、水稻、燕麥。復(fù)傘房花序:花序軸分枝傘房式,每個分枝為一傘房花

5、序?;ㄩ?、石楠。復(fù)傘形花序:花序軸分枝傘形式,每個分枝為一傘形花序。胡蘿卜、芹菜、小茴香。復(fù)穗狀花序:花序軸分枝穗狀式,每一分枝為一穗狀花序。小麥。1.2 有限花序:頂端向基部(中間向邊緣)開花的花序,屬合軸分枝。單歧聚傘花序:花序軸頂生一花,然后其下一側(cè)分枝,頂生一花,然后其下再分枝,如此依次開花。螺旋聚傘花序:附地菜、勿忘草。蝎尾聚傘花序:唐菖蒲、委陵菜。二歧聚傘花序:花序軸頂生一花,然后其下兩側(cè)分枝,再依次生花和分枝。繁縷、石竹、冬青衛(wèi)矛。多歧聚傘花序:頂花下同時發(fā)出3個以上分枝,再依次生花和分枝。藜、澤漆。輪傘花序:生于對生葉腋中的聚傘花序。一串紅、益母草。1.3 花的演化:有限花序無

6、限花序,單生花花序。 2 果實 2.1單果:一朵花中只有一個雌蕊形成一個果實 ,常見的可分為肉質(zhì)果和干果。 2.1.1肉質(zhì)果:果實成熟后肉質(zhì)多汁。 漿果:外果皮薄,中果皮、內(nèi)果皮均肉質(zhì)化并充滿汁液。番茄 、葡萄。 核果:由一至數(shù)心皮組成的雌蕊發(fā)育而來,外果皮薄,中果皮肉質(zhì),內(nèi)果皮堅硬。桃、李、棗、核桃。 柑果:蕓香科特有,由復(fù)雌蕊形成,外果皮革質(zhì),中果皮較疏松,分布有維管束,內(nèi)果皮膜質(zhì)分為若干室,向內(nèi)生出許多汁囊,是食用的主要部分。柑橘、柚。 梨果:由花筒與下位子房愈合發(fā)育而成的假果,花筒形成的果壁與外果皮及中果皮均肉質(zhì)化,內(nèi)果皮紙質(zhì)或革質(zhì)化,中軸胎座。梨 、蘋果。 瓠果:葫蘆科特有,由具側(cè)膜

7、胎座的下位子房發(fā)育而成的假果 ,花托和外果皮結(jié)合為堅硬的果壁 ,中果皮和內(nèi)果皮肉質(zhì),胎座很發(fā)達(dá)。南瓜 、西瓜。 2.1.2 干果:果實成熟后果皮干燥,分為裂果與閉果。 (1)裂果:果實成熟后,果皮開裂。 莢果:豆科植物特有,由單雌蕊發(fā)育而成的果實,成熟時沿腹縫線與背縫線裂開。大豆、蠶豆。也有不開裂或其他開裂方式的。 蓇葖果:由單雌蕊發(fā)育而成的果實,成熟時僅沿一個縫線裂開(腹縫絨或背縫線)。梧桐、芍藥、牡丹。 角果:十字花科植物特有,兩心皮組成,具假隔膜,成熟時從兩腹縫線裂開。有長角果和短角果之分。蘿卜、油菜(長角果);薺菜、獨行菜(短角果)。 蒴果:復(fù)雌蕊發(fā)育而成的果實,成熟時有各種裂開的方式

8、。棉花 、蓖麻。 (2)閉果:果實成熟后,果皮不開裂。 瘦果:果皮與種皮易分離,含一粒種子 。向日葵。穎果:禾本科特有,果皮與種皮合生,不易分離,含一粒種子。小麥、玉米。翅果:果皮向外延伸成翅,有利于果實傳播。榆 、臭椿。堅果:果皮堅硬,內(nèi)含一粒種子。板栗。分果:由兩個以上心皮構(gòu)成,各室含一粒種子,成熟時心皮沿中軸分開。胡蘿卜、芹菜。 2.2 聚合果:由一花內(nèi)若干離生心皮雌蕊聚生在花托上發(fā)育而成的果實,每一離生雌蕊形成一單果(小果)。根據(jù)聚合果中的小果種類,可分為聚合瘦果(草莓)、聚合核果(懸鉤子)、聚合堅果(蓮)。 2.3聚花果:由整個花序形成的果實,又叫復(fù)果。桑葚、鳳梨、無花果。三寫出下列

9、科或?qū)俚闹形拿Q:Papaveraceae罌粟科 Rosa薔薇屬 Michelia含笑屬 Magnolia木蘭屬 Oleaceae木樨科 Araceae天南星科 Lilium百合屬 Rheum大黃屬 Rubus懸鉤子屬 Brassica蕓苔屬 Cruciferae Brassiaceae十字花科 Leguminosae Fabaceae豆科 Labiattae Lamiaceae唇形科 Umbelliferae Apiaceae傘形科 Compositae Asteraceae菊科 Graminneae Poaceae禾本科 四真菌門分為哪4個綱?列檢索表比較四個綱的區(qū)別,并舉出其代表植物。1

10、.無真正菌絲體;如有菌絲體,一般不具橫隔壁······························藻菌綱(匍枝根霉) 有真正菌絲體,菌絲具橫隔壁············

11、3;·················································

12、3;············22. 有性生殖階段明了···································

13、3;·················································

14、3;····3 有性生殖階段不明············································

15、····················半知菌綱(稻瘟病菌)3. 有性生殖產(chǎn)生子囊孢子,生于子囊內(nèi)·························&

16、#183;·····子囊菌綱(酵母菌、青霉菌) 有性生殖產(chǎn)生擔(dān)孢子,生于擔(dān)子內(nèi)·······································&#

17、183;擔(dān)子菌綱(蘑菇、木耳)5 試述蕨類植物的主要特征;蕨類植物分為哪5個綱?各舉出其代表植物。有根、莖、葉分化;出現(xiàn)初生維管組織,按一定方式聚成中柱;木質(zhì)部具管胞,韌皮部具篩胞。石松綱:石松、卷柏;水韭綱:中華水韭;松葉蕨綱:松葉蕨;木賊綱:問荊;真蕨綱:瓶兒小草、紫萁、蘋、滿江紅、蕨、桫欏。六試述裸子植物的主要特征;裸子植物分為哪5個綱?舉出每個綱的代表植物。孢子體發(fā)達(dá);配子體簡化;胚珠裸露,產(chǎn)生種子;產(chǎn)生花粉管,花粉粒由此直達(dá)胚珠;具多胚現(xiàn)象;具頸卵器。蘇鐵綱:蘇鐵;銀杏綱:銀杏;松柏綱:油松、馬尾松、臭冷杉、云杉、落葉松、金錢松、雪松、杉木;紅豆杉綱:羅漢松、紅豆杉、粗榧;買麻藤綱:

18、麻黃、買麻藤、百歲蘭。七薔薇科分為哪四個亞科?寫出科的花程式。列一檢索表比較四個亞科,并舉出各亞科的代表植物。1.果實為開裂的蓇葖果,稀蒴果;心皮1-5(-12);托葉或有或無·················繡線菊亞科 果實不開裂,全有托葉···············

19、3;·················································

20、3;··················22. 子房下位、半下位,稀上位;心皮(1)2-5,多數(shù)與杯狀花托內(nèi)部連合;梨果或漿果狀, 稀小核果狀·······················&

21、#183;·················································&

22、#183;··············蘋果亞科 子房上位,少數(shù)下位·································

23、;··················································

24、;····33.心皮常多數(shù);瘦果;萼宿存;常具復(fù)葉,極稀單葉······································薔薇亞科 心皮常為1,少數(shù)2或5;核果;萼常

25、脫落;單葉··········································李亞科八豆科分為哪三個亞科? 寫出科的花程式。 列一檢索表比較三個亞科,并舉出其代表植

26、物。1.花輻射對稱,花瓣鑷合狀排列,分離或連合,花藥頂端有時有1個脫落的腺體··············· ····························

27、83;·················································

28、83;·····················含羞草亞科 花兩側(cè)對稱,花瓣覆瓦狀排列·························&#

29、183;·················································&#

30、183;22.花稍兩側(cè)對稱,近軸的1枚花瓣為與相鄰兩側(cè)的花瓣之內(nèi),花絲通常分離······················ ·····················&#

31、183;·················································&#

32、183;·······························云實亞科 花明顯兩側(cè)對稱,花冠蝶形,近軸的1枚花瓣(旗瓣)位于相鄰兩側(cè)的花瓣(翼瓣)之外, 遠(yuǎn)軸的2枚花瓣(龍骨瓣)基部沿連接處合生呈龍骨狀,雄蕊通常為二體(9+1)雄蕊或 單體雄蕊,稀分離··

33、83;·················································

34、83;·························蝶形花亞科九為什么說木蘭科、毛茛科是被子植物的原始類群?木蘭科原始性狀:木本;花兩性,萼片與花瓣不分;雄蕊與心皮多數(shù),螺旋狀排列于柱狀花托上;蓇葖果,胚乳豐富。毛茛科原始性狀:萼片花瓣狀;雌、雄蕊多數(shù),分離;蓇葖果。十熟記下列被子植物科的主要特征和代表植物:木蘭科:木本,枝條具環(huán)狀托葉痕;花單

35、生、兩性,花萼、花瓣不分,雌、雄蕊多數(shù)離生;聚合蓇葖果。玉蘭、含笑、木蓮、中華鵝掌楸。毛茛科:草本,葉分裂或為復(fù)葉;花兩性,雌、雄蕊多數(shù)離生,螺旋狀排列于膨大花托上;聚合瘦果或聚合蓇葖果。毛茛、牡丹、芍藥、烏頭、黃連。睡蓮科:水生草本,具根莖;葉心形至盾形,芽時內(nèi)卷;花單生,花萼、花瓣、雄蕊漸過渡,雄蕊多數(shù),雌蕊3至多心皮,分離或結(jié)合為多室子房;漿果狀果實。蓮、芡實、王蓮、莼菜、睡蓮。十字花科:草本;常有辛辣味;總狀花序,十字花冠,四強(qiáng)雄蕊;角果,具假隔膜。大白菜、榨菜、蘿卜、擬南芥。傘形科:草本,葉柄基部鞘狀抱莖;傘形、復(fù)傘形花序,花5基數(shù);雙懸果。胡蘿卜、芹菜、芫荽、當(dāng)歸。唇形科:莖四棱,

36、單葉對生;花冠唇形,二強(qiáng)雄蕊,心皮2個;4個小堅果。薄荷、益母草、一串紅。菊科:草本;頭狀花序,聚藥雄蕊;瘦果頂端帶冠毛或鱗片。向日葵、菊花、茼蒿、艾蒿、紫莖澤蘭、萵苣、蒲公英、黃鵪菜。百合科:單葉;花被片6片,排列為2輪,雄蕊6枚與之對生,子房3室;漿果或蒴果。蔥、蒜、韭菜、洋蔥、百合、蘆薈、川貝母、郁金香、風(fēng)信子、吊蘭。禾本科:稈圓柱形,節(jié)間常中空;葉2列,葉鞘邊緣分離而覆蓋;小穗組成各種花序;穎果。小麥、青稞、水稻、粟、狗尾草、甘蔗、蜀黍、玉米、燕麥、茭白、蘆葦、毛竹。十一列一檢索表,比較下列植物類群:木蘭科 毛茛科 睡蓮科、十字花科 唇形科 傘形科 百合科 禾本科1.胚子葉1枚;葉脈平

37、行;花被常3基數(shù);莖內(nèi)初生維管束散生··································2 胚子葉2枚;葉脈網(wǎng)狀;花被常4或5基數(shù);莖內(nèi)初生維管束環(huán)狀········

38、;····················32. 單葉;花被片6片,排列為2輪,雄蕊6枚與之對生,子房3室;漿果或蒴果·············· ·········&#

39、183;·················································&#

40、183;··············································百合科 稈圓柱形,節(jié)間常中空;葉2列,葉

41、鞘邊緣分離而覆蓋;小穗組成各種花序;穎果················ ······························

42、83;·················································

43、83;·························禾本科3. 木本,枝條具環(huán)狀托葉痕;花單生、兩性,花萼、花瓣不分,雌、雄蕊多數(shù)離生;聚合蓇 葖果················

44、83;·················································

45、83;·································木蘭科 草本,偶有木本··············

46、3;·················································

47、3;·····························44. 草本偶有木本,莖四棱,單葉對生;花冠唇形,二強(qiáng)雄蕊,心皮2個;4個小堅果········· ·····

48、;··················································

49、;··················································

50、;·唇形科 雙子葉植物,1片子葉,有星散維管束·············································&#

51、183;··················5 不同上述······························&#

52、183;·················································&#

53、183;·····················65. 葉分裂或為復(fù)葉;花兩性,雌、雄蕊多數(shù)離生,螺旋狀排列于膨大花托上;聚合瘦果或聚 合蓇葖果····················&#

54、183;·················································&#

55、183;·······················毛茛科 水生,具根莖;葉心形至盾形,芽時內(nèi)卷;花單生,花萼、花瓣、雄蕊漸過渡,雄蕊多數(shù), 雌蕊3至多心皮,分離或結(jié)合為多室子房;漿果狀果實···············

56、;···················睡蓮科6.總狀花序,十字花冠,四強(qiáng)雄蕊;角果,具假隔膜··························&#

57、183;··········十字花科 兩心皮······································

58、··················································

59、·················77.葉柄基部鞘狀抱莖;傘形、復(fù)傘形花序,花5基數(shù);雙懸果····························&

60、#183;傘形科 莖四棱,單葉對生;花冠唇形,二強(qiáng)雄蕊,心皮2個;4個小堅果·····················唇形科十二列一檢索表,比較下列植物: 馬尾松、玉蘭、毛茛、睡蓮、油菜、一串紅、胡蘿卜、百合、小麥1.胚珠裸露·············

61、3;·················································

62、3;······························馬尾松 胚珠包于心皮內(nèi)··················

63、;··················································

64、;·························22.胚子葉2枚;莖維管束環(huán)狀排列;葉多網(wǎng)狀脈;花基數(shù)多4或5···················

65、3;·················3 胚子葉1枚;莖維管束星散排列;葉多平行或弧形脈;花基數(shù)3···························

66、3;···83.木本··············································

67、;··················································

68、;·······玉蘭 草本··········································

69、··················································

70、················44.水生草本;葉盾形,芽時內(nèi)卷;花單生,花萼、花瓣、雄蕊漸過渡·······················睡蓮 陸生或半水生草本;葉不呈盾形;花單生或成花序,各部分離明顯&#

71、183;·····························55.花單生,螺旋狀排列于花托上·················

72、3;·················································

73、3;···毛茛 具花序·············································

74、3;···························································66.總狀花序,十字花冠,四強(qiáng)雄蕊;角果····························

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