- 更多网络例句与有叶鞘的相关的网络例句 [注:此内容来源于网络,仅供参考]
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Scape extravaginal, somewhat curved and drooping,30-35 cm long, with yellow and scentless flower; sepals narrow-obovate,4.5-5.5cm long; lip broad-ovate,, 3-lobed, mid-lobe with broad V-shaped purple-red blotch, velutinous in the V area.
花葶从叶鞘中穿出稍弯下垂,长30~35cm ,有6~20朵花,黄绿色,无香味;萼片狭倒卵形,长4.5~5.5cm ;唇瓣宽卵形,3裂,中裂片中部有宽阔的"V"字形紫红色斑块, V 形区有天鹅绒般细毛。
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Culm internodes densely pruinose; culm sheaths with conspicuous longitudinal ribs, tessellate venation distinct; leaf sheath oral setae to 6 mm.
节间浓密具粉霜的Culm;有显眼的长度肋骨的竿箨,棋盘格状脉络清楚;叶鞘口头的刚毛到6毫米 14 Y。
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Culm internodes not pruinose; culm sheaths with conspicuous longitudinal ribs, tessellate venation not evident; leaf sheath oral setae 1.5–3 mm.
Culm节间不具粉霜;有显眼的长度肋骨的竿箨,棋盘格状脉络不明显;叶鞘口头的刚毛1.5-3毫米 13 Y。
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Leaves distichous, simple, those toward base of plant usually bladeless and reduced to sheaths; leaf sheath open; ligule usually present; petiole present or not, located between leaf blade and sheath, cushionlike in Zingiber ; leaf blade suborbicular or lanceolate to narrowly strap-shaped, rolled longitudinally in bud, glabrous or hairy, midvein prominent, lateral veins usually numerous, pinnate, parallel, margin entire.
单叶二列,基部的叶通常无叶片,退化成叶鞘;叶鞘开放叶舌通常有;叶柄有或无,位于叶片和鞘之间,在姜属里为垫状;叶片近圆形或者披针形,或狭带形,在芽期卷曲,无毛或有毛,中脉显著,侧脉通常多数,羽状,平行,边缘全缘。
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Leaf sheaths shorter than internodes, glabrous or infrequently tuberculate-hispid; leaf blades linear, 10–40(–70) cm × 3–9 mm, usually glabrous, sometimes tuberculate-hispid; ligule ca. 0.5 mm. Panicle open or somewhat contracted, 10–45 cm; central axis and branches scabrid; branches 5–20 cm, stiffly ascending or spreading, solitary or fasciculate, loosely spiculate; pedicels scabrid, apex usually with long stiff hairs.
叶鞘短于节间,无毛的或很少发生具糙硬毛具瘤;叶片线形,厘米×10-40(-70)毫米,通常无毛,有时具瘤具糙硬毛;大约0.5毫米圆锥花序的叶舌打开或者有点收缩,10-45厘米;主轴线和分枝粗糙;分枝5-20厘米,硬上升的或开展,单生或束状,松弛细刺;粗糙的花梗,有长的硬的头发的先端通常。
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Leaf sheaths shorter than internodes, loose, pilose or glabrescent; leaf blades linear, flat or convolute, rigid, 15–30 cm × 5–8 mm, glabrous or hairy, apex finely acuminate; ligule 0.3–0.5 mm. Panicle usually contracted, dense, infrequently looser, 15–35 cm; central axis and branches scabrid-hispidulous; branches 2.5–10 cm, fasciculate in middle part, ascending; pedicels scabrid, apex often with stiff bristles.
叶鞘短于节间,松散,具柔毛的或后脱落;叶片线形,平或,硬质,15-30厘米×5-8毫米,无毛或有毛,好渐尖的先端;叶舌0.3-0.5毫米圆锥花序通常签合同,浓,很少发生松散,15-35厘米;粗糙主轴线和分枝具短硬毛;分枝2.5-10厘米,束状的在中部,上升;粗糙的花梗,顶经常有硬的硬毛。
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Inflorescences terminal and axillary from upper leaf sheaths, composed of a few subdigitate racemes; racemes conspicuously hairy, fragile, sessile and pedicelled spikelets of a pair similar, both fertile; rachis internodes and pedicels flat, ciliate.
花序顶生和从上面叶鞘腋生,由一些subdigitate总状花序组成;显著有毛的总状花序,脆,无梗和相似,都能育的对小穗;轴节间和花梗公寓,纤毛。
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Culm sheaths without spots, thickly pruinose and with sparse, brown setae, margins distally pink, ligules ca.
竿箨没有斑点,厚厚具粉霜和有稀少,棕色刚毛,粉红色的上部边缘,叶舌约5毫米;叶鞘的叶耳截形到有拱顶,1-2.5毫米 7 P。
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Scape extravaginal, somewhat curved and drooping,30-35 cm long, with yellow and scentless flower; sepals narrow-obovate,4.5-5.5cm long; lip broad-ovate,, 3-lobed, mid-lobe with broad V-shaped purple-red blotch, velutinous in the V area.
花葶从叶鞘中穿出稍弯下垂,长30~35cm ,有6~20朵花,黄绿色,无香味;萼片狭倒卵形,长4.5~5.5cm ;唇瓣宽卵形,3裂,中裂片中部有宽阔的&V&字形紫红色斑块, V 形区有天鹅绒般细毛。
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Brushing ABA or BA onto the upper leaves or ears of H. vulgare increased the Na+ content in the whole plant, especially in the ears, stems and sheaths, compared with that of NaC1 only treatment. The K(superscript +) content showed no significant changes in any treatments.
大麦根和冠中的Na含量均有增加的趋势,冠中Na含量增加幅度更大;冠中的Na主要是从叶片向叶鞘、茎和穗中运输积累,穗中Na的积累最显著。
- 更多网络解释与有叶鞘的相关的网络解释 [注:此内容来源于网络,仅供参考]
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blade:叶片
②叶舌(ligule)位于叶鞘顶端和叶片相连接处的近轴面,通常为低矮的膜质薄片,或由鞘口燧毛来代替,稀为不明显乃至无叶舌,在叶鞘顶端之两边还可各伸出一突出体,即叶耳(auricle),其边缘常生纤毛或燧毛;③叶片(blade),常为窄长的带形,亦有长圆形、卵圆形、卵形或披针形等形状,
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intercalary growth:居间生长
居间生长(intercalary growth) 定义由穿插在成熟组织之间的居间分生组织,经过细胞分裂、生长和分化而形成成熟结构的生长过程,称居间生长. 举例如禾本科植物茎节间和某些单子叶植物叶和叶鞘的基部、花生雌蕊柄的基部等,都有居间生长现象,
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midrib:中脉
其基部直接着生在叶鞘顶端,无柄少数禾草及竹类的营养叶则可具叶柄(petiole)],叶片有近轴(上表面)与远轴(下表面)的两个平面,在未开展或干燥时可作席卷状,有1条明显的中脉(midrib)和若干条与之平行的纵长次脉(sècondary veins),
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pulvinus:叶枕
叶鞘与叶片连接处的外侧称为叶枕(pulvinus)(又称叶颈、叶环),它是一个与叶片颜色不同的环,具有弹性及伸延性,可以调节叶片的位置. 在叶鞘与叶片连接处的内侧,有些禾本科植物有一向上突起的膜状结构,称为叶舌;叶舌能使叶片向外弯曲,
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CAREX:苔草属
小穗2 至多数,稍压3.苔草属(Carex) 花单性,无花被;雄花具3 雄蕊;雌花子房外包有苞片形成的囊包(即果囊),花柱突出于囊外,柱头 2-3. 约2000 种,广4.荸荠属(Eleocharis) 秆丛生或单生. 叶只有叶鞘而无叶片,苞片缺;小穗1,顶生,
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cotyledonary sheath:子叶鞘
cotyledonary node | 子叶节 | cotyledonary sheath | 子叶鞘 | cotyledonous | 有子叶的
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Flagellariaceae:须叶藤科
除须叶藤科(Flagellariaceae)有雄蕊6枚外,其他全为13枚. 须叶藤科含2属约7种,草本或攀缘;叶长有时末端成卷须,大多是风媒花. 帚灯草科(Restionaceae)最大,有2535属约350种. 帚灯草属(Restio)有120种,叶退化为环茎的叶鞘,绿色行光合作用.
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Hordeum vulgare:大麦
称为叶舌. 有些禾本科植物的叶片与叶鞘相连接的边缘有两个突起,称为叶耳(图32-1). 水稻(Oryzasativa)、大麦(Hordeum vulgare)、小麦的叶具有叶舌和叶耳,而稗(Echinochloa crusgalli)的叶只具叶舌,不具叶耳,可以此特征区别水稻和稗.
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ligulate:叶舌
叶的基部扩大成叶鞘,围裹着茎秆,起保护幼芽、居间生长以及加强茎的支持作用叶舌(ligulate) 叶片和叶鞘相接处的腹面,即叶环的内方有一膜质向上突出的片状结构,称为叶舌.
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Chives:香葱
香葱( 香葱(Chives) ) 香葱别名细香葱 为百合科葱属两年生 或多年生草水植物原产欧洲冷凉地区, 在北美,北欧等地均有野生种分布.一般 株高 30-40 厘米, 叶片圆形中空,青绿色, 有蜡粉,叶鞘白色,抱合成圆柱状的葱白,称为假茎.