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A scalelike outgrowth, varying in shape and size, of certain angiosperm leaves.

叶舌:1。被子植物叶的一种鳞片状突起,,外形和体积变化很大。

Sabina but has both scalelike and needlelike leaves on mature plants; it is probably a variety of that very widespread species; similar specimens have been found in Europe (e.g., Austria: Tirol).

sabina,但是在成熟的植株上有鳞片状和针状的叶;这或许是多种那广布的种;相似的标本已经被在欧洲发现(例如,奥地利:蒂罗尔)。

Leaf blade abaxially covered with punctiform waxy scalelike trichomes, apex acuminate to rarely acute; secondary veins 6-10 on each side of midvein; cupule bowl-shaped, 0.5-0.8 cm

为点状的腊制的鳞片状的毛状体,对很少锐尖的先端渐尖所覆盖的叶片背面;次脉6-10在中脉两边各;壳斗碗形,0.5-0.8厘米 54 Lithocarpus iteaphyllus 鼠刺叶柯

Rachis of inflorescences covered with scalelike trichomes; leaf blade secondary veins 6-10 on each side of midvein

为鳞片状的毛状体所覆盖的花序轴;叶片次脉6-10在中脉两边各 86 Lithocarpus mairei 光叶柯

Any of various trees and shrubs of the genus Casuarina having jointed horsetaillike stems and whorls of scalelike leaves; some yield heavy hardwood.

木麻黄属的任何一种乔木和灌木,具节的马尾状的茎产生轮生的鳞片状的叶;某些种可得到重而硬的木材。

Leaves of fertile stems scale-like, distichous; capsule ribbed.

能育茎鳞片状的叶,2列;蒴果棱。 2 Hydrobryum 水石衣属

Leaf secondary veins 7-10 on each side of midvein; branches of 2nd- or 3rd-year growth with grayish lamelliform waxy scalelike trichomes

叶次脉7-10在中脉两边各; 2或3 年发展具浅灰色的薄片形的腊制的鳞片状的毛状体的分枝 22 Lithocarpus cleistocarpus 包槲柯

The "Lvlongjing" samples for the study have the unique dark green to celadon colour, lepidoblastic and foliaceous textures, density of 2.61~2.62g/cm^3, refractive index of about 1.57 and Mohs' hardness of about 2.5. The mineral component of the "Lvlongjing" sample is mainly composed of penninite-a subspecies of chlorite.

本次研究用&绿龙晶&样品具有独特的深绿色至灰绿色,呈鳞片状至叶片状结构,密度为2.61~2.62g/立方公分,折射率约为1.57,摩氏硬度约为2.5,其主要矿物组成为绿泥石的亚种叶绿泥石。

An observation and analysis of series of characteristics coming from sixteen species belonging to five genera of Polypodiaceae subfam.Polypodioideae were undertaken in order to unravel the phylogenetic relationships within this group.

对水龙骨科水龙骨亚科5属16种植物的孢子形态、叶表皮结构、叶柄和根状茎的横切、根状茎上的鳞片以及叶脉特征进行了详细的观察和分析,探讨了该亚科植物的系统位置和亲缘关系。

The results of observation on the microstructure of Karelinia caspica, Tamarix stromongolica, Salsola collina. Cheno Dodium glaucum, stipa bangenana show that the nutritional organs of these halophytes present some adaptability structures as follows:(1) sunken stomas, thick cuticle and orderly arrangement of epidermal cell;(2) equilateral leaves with developed palisade tissue, or squama-shaped leaf;(3) well-developed water-storing tissue in stems and leaves;(4) crystal cells, salt glands in most of the leaves and assimilating branches.

通过对花花柴、甘蒙怪柳、猪毛菜、灰绿藜、长芒草五种盐生植物显微结构观察,这五种盐生植物营养器官的形态结构均呈现一定的适应性特征:(1)气孔器下陷,角质层加厚,表皮细胞排列紧密而整齐;(2)多为等面叶,叶片栅栏组织发达,或退化为鳞片状,而具同化枝;(3)茎、叶多为肉质化,贮水组织发达;(4)具有含晶细胞,枝叶具盐腺。

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