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Leaves narrowly lanceolate to linear-lanceolate, base cuneate; plants glabrous; epicalyx segments shorter than to equaling sepals.
叶狭披针形的到线状披针形,基部楔形;植株无毛;为了等于萼片的副萼片短于。 2 L。 virgatum 帚枝千屈菜
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The morphological and anatomical characteristics of"Zha′ai 76"Comparing with the plants of normal M.baccata and ordinary hybrid,"Zha′ai76"and other plants with Dw major gene showed that:the length of springgrowth or main shoot is shorter by 59.6-66.2%;the ratio of length:diame-ter of new shoot smaller by 33.2-58.4%;the length of internee shorter by14.0-42.7%:the node number of spring growth lesser by 40.7%;the cauli-cle height under the cotyledons of hybrid seedlings shorter by 65.0%;the in-dex of leaf stalk(stipe length:stipe thiek ness)on the spring growth smaller by34.5-50.2%;the length of leaf stalk shorter by 25.2-45.7%;the boundarybelt between spring and autumn growth has knob-like nodes;the margin of leafappears wave-like;the sepals with spinous proeessuses are massive and small;the eonstriction at calyx is not obvious;the trace of abscisic sepals is big;the ca-lyx end of fruit is plan or convex;the shape of shoot tip(of"Zha′ai 76")iswider and shorter;and in 1.0mm part from the top of shoot tip,there are manyspecialized cells which are larger in volarae,but with lesser inner material andwith smaller or no nucleus.
"扎矮76"的形态解剖特征与普通山定子和杂交后代中普通型植株对比,"扎矮76"和其它携带Dw主基因植株的:春梢短59.6-66.2%,梢长与梢粗比值小33.2-58.4%,节间短14.0-42.7%,春梢节数少40.7%,杂种苗下胚轴短65.0%,春梢叶柄形指数小34.5-50.2%,叶柄短25.2-45.7%,春秋梢交界处有瘤状突起,叶缘波状,萼片肥厚有刺状突起,萼部缢痕不明显,脱萼后萼痕较大、萼洼平或高于果面;新梢生长点宽而短,在距顶端1.0gmm处有较多体积较大、内容物较少、细胞核小或无的待化细胞。
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Sepals imbricate or valvate, rarely spathaceous, mostly (2 or)3-6, rarely more, usually free or connate at base only, sometimes partly united into a tube, caducous or persistent, rarely accrescent. Petals 3-8, rarely more, often isomerous and alternating with sepals, free, imbricate or valvate, rarely contorted, similar to sepals or not, sometimes with a fleshy adaxial basal scale, or petals absent. Disk present, entire, lobed, or comprised of free or connate disk glands, these extrastaminal, interstaminal, or intrastaminal, or extragynoecial, or disk absent.
萼片覆瓦状或镊合状排列,很少佛焰苞,几乎(2或者)3-6,很少更多,通常离生或者只是基部合生,花瓣3-8,很少更多,通常与萼片同质并且互生,分离,覆瓦状或镊合状排列,很少旋转状,与萼片相似或不相似,有时在近轴基部有一个肉质的鳞片,或花瓣无。
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Stamens 1 or 2 × as many as sepals; filaments short, slender; anthers basifixed, mostly oblong or linear, 4-loculed, dehiscing by slits, antisepalous anthers sometimes somewhat longer than antipetalous ones; pollen grains shedding at 3-celled stage. Ovary inferior, 1(or 2)- or 4-celled, septa solid or practically absent (present only at base and apex of ovary); styles as many as sepals, alternisepalous, free, mostly short, grading into globose or subulate stigmas, spreading in fruit; stigmatic papillae hairlike; ovules as many as styles, rarely 1, apical, pendulous, anatropous.
雄蕊1或2 *同数萼片;花丝短,纤细;花药基着,通常长圆形或者线形,4室,纵向开裂,对萼花药稍比对瓣花药长;花粉粒在3室的阶段散落子房下位,1(或者2)或4室,隔膜实心或几乎无(只在基部和子房先端存在);花柱和萼片同数,与萼片互生,离生,柱头乳突毛发状;胚珠与花柱同数,很少1,顶生,倒生。
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Petals bright yellow, oblong-oblanceolate, 1.2-1.8 cm × 4-8 mm, 1.5-1.8 × as long as sepals; laminar glands lines, sometimes interrupted distally; marginal glands absent; margin entire; apiculus absent.
花瓣亮黄,长圆形,1.2-1.8厘米×4-8毫米,长为萼片的1.5-1.8 倍;片状腺体线形,有时上部打断;边缘的腺体无;边缘全缘细尖缺席。
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Petals golden yellow, sometimes tinged red, obovate-oblanceolate, 2-2.5 × 1.2-1.5 cm,(1.5-) 2.5-3 × as long as sepals; margin entire, eglandular; apiculus acute to obtuse.
花瓣金黄色,有时微染红色,倒披针形, 2-2.5 * 1.2-1.5 厘米,长为萼片的( 1.5-) 2.5-3倍;边缘全缘,无腺体;细尖的锐尖到钝。
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Male flowers: sepals mostly 5, imbricate to valvate, free; petals 5, smaller or nearly equal to sepals; disk glandular, usually 5, and opposite sepals; stamens 10-20; filaments free, inflexed in bud; anthers muticous; pistillode absent.
雄花: 多数的萼片5,覆瓦状到镊合状,离生;花瓣5,小或近等长于萼片;花盘具腺,通常5,与萼片对生;雄蕊10-20;花丝离生,在芽中内折;花药钝;无退化雌蕊。
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Male flowers: pedicel articulated at base; sepals 5, free, valvate, initially curved around stamens, later reflexed; petals and disk absent; stamens 5, free, inserted at bases of sepals; filaments short; anthers larger, thecae 2, parallel, introrse, dehiscence longitudinal; pistillode short and broad, peltate.
雄花 花梗有节在基部;萼片5,离生,镊合状,最初在雄蕊周围弯曲,后反折;花瓣和花盘无;雄蕊5,离生,着生在萼片的基部;花丝短;花药大,囊2,平行,内向,纵裂;退化雌蕊短和宽,盾形。
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Scape usually longer than leaves, with 2-3 flowers each with 1bract, floral bract hooded, broad-ovate, as long as ovary, blunt and usually 3-lobed at apex; flower green-yellow, dorsal sepal white with yellow-green veins and green base, elliptic, 4-4.5cm long, short-pointed at apex, keeled on back, pubescent at base inside, petals very long, pendulous, twist, linear, 8.5-12cm long,6mm wide in middle; lip reversed helmet-shaped, longer than dorsal sepal, with claw almost as long as hood, side lobes inflexed, auricles large and nearly broad-triangular; staminode obcordate; stamens with thick and short filaments; ovary rostrate, 5.5cm long, glabrous.
花茎常长于叶,具2~3朵花,每花具一枚苞片,花苞片兜状,宽卵形,和子房等长,顶端钝而常3浅裂;花绿黄色,重萼片白色而有黄绿色的脉和绿色的基部,椭圆形,长4~5.5cm ,短尖,背面具龙骨状突起,基部内侧被短柔毛;花瓣极长,悬垂,扭曲,条形,长8.2~12cm ,中部宽约6mm ;唇瓣倒盔状较中萼片长,具爪,爪几乎和兜等长,具内折侧裂片,耳大而近阔三角形;退化雄蕊倒心形,上面基部具一个角状突起;雄蕊具短粗的花丝;子房具喙,长约5.5cm ,无毛。
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Scandent shrubs or lianas; leaf blade ferruginous villous abaxially, glabrous adaxially, except midrib and lateral veins ferruginous strigose; flower bisexual; petals subspatulate, 2 × length of sepals, apex conspicuous.
攀缘灌木或者藤本植物;背面的叶片具铁锈色长柔毛,正面无毛,除铁锈色具糙伏毛中脉和侧脉之外;花两性;近匙形的花瓣,2 *萼片的长度,先端明显。 1 D。 longipetalum 海南毒鼠子
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petal:花瓣
普通萼片多为绿色的叶状体,在结构上类似叶,有丰富的绿色薄壁细胞,但无栅栏、海绵组织的分化.(2)花冠 位于花萼的上方或内方,是由若干称为花瓣(petal)的瓣片组成,排列为一轮或多轮,结构上由薄壁细胞所组成(图4-14).
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sepal:萼片
(1)花萼花萼是由若干萼片(sepal)组成,包被在花的最外层. 普通萼片多为绿色的叶状体,在结构上类似叶,有丰富的绿色薄壁细胞,但无栅栏、海绵组织的分化. 有的植物花萼大而具色彩,呈花瓣状,有利于昆虫的传粉,如飞燕草. 棉的花朵除花萼外,
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tepal:被片
也有花被虽有二轮,但内、外瓣片在色泽等方面并无区分的,称为同被花,它们的每一瓣片称被片(tepal),如百合、丝兰等. 也有花被完全不存在的,称为无被花,如杨、柳等. (1)花萼花萼是由若干萼片(sepal)组成,包被在花的最外层.
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aposepalous:离萼(片)的
aposematic coloration 警戒色 | aposepalous 离萼(片)的 | apospory 无孢子生殖,无孢子形成
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Chimonanthus praecox:蜡梅
我们为你提供六盘水花卉批发 六盘水花木种子批发的资讯信息, 蜡梅(Chimonanthus praecox) 蜡梅科蜡梅属落叶或半常绿灌木. 花被片无萼、辨之分,外轮蜡质黄色,内轮蜡黄中带暗紫色条纹,自初冬至早春叶前开放,具浓香,花期甚长. 原产中国.
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disepalous:具两萼片的
disenvenom 无毒液的 | disepalous 具两萼片的 | disequilibration 平衡不稳
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Sanguisorba:地榆属
地榆属(Sanguisorba)蔷薇科蔷薇亚科的1属. 多年生草本,根粗壮. 下部长出若干纺锤形细长条形根,叶为奇数羽状复叶. 花两性稀单性,密集成穗状或头状花序;萼筒喉部缢缩,有4~7曹片,复瓦状排列,紫色、红色或白色如花瓣状;花瓣无;雄蕊通常4枚,
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Trochodendron:昆栏树属
花相当大,甲虫媒,无蜜腺,单生或2-3朵生于叶腋,幼时为一脱落性的帽状物覆盖,此帽状物附生于扩大、多少凹陷、萼筒状的花托边缘上;此帽状物(Endress解释为苞片)从外部看没有明显的被片结构,含有大量厚壁的、昆栏树属(Trochodendron)式的异细胞;雄蕊多数(约70),
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asepalous:无萼片的
"子囊滋养质","ascotrophosome" | "无萼片的","asepalous" | "无菌法;防腐法","asepsis"