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根状茎

与 根状茎 相关的网络例句 [注:此内容来源于网络,仅供参考]

Elongated caudex branches; a shoot arising from the base of a stem or from the rhizome.

根出条 Sobol 发自茎基的长枝条;从茎的基部或根状茎上长出的枝条。

Gingers seldom flowers and have seeds, so it is difficult to cultivate new variety through crossbreeding.

蔗糖比葡萄糖更利于根状茎的诱导,活性炭对根状茎诱导没有明显作用。

Rhizomes short and vertical or long and horizontal; rhizomes and roots often pungently aromatic.

根状茎短和垂直的或长和水平;根状茎和根通常冲味的芳香。

Stem erect, frequently rhizomatous, or plants tuberous and either acaulescent or shortly stemmed, rarely lianoid or climbing with adventitious roots, or stoloniferous.

茎直立,经常为根状茎,或者块茎状或无茎或有短茎,很少藤本或者攀援有不定根,或者有匍匐茎。

The tracheary elements in secondary xylems of Actaea asiatica root and rhizomes were observered with a scanning electron microscope and found to contain abundant types, which mainly included tracheids, tracheid-like vessels, fibriform vessels, and typical vessels. Of these types, the tracheids, tracheid-like vessels, fibriform vessels were first found. Scalariform perforation plates, reticulate perforation plates, mixed perforation plates and simple perforation plates were observed in the typical vessels and the reticulate perforation plates ,mixed perforation plates were first founded the lateral-wall perforation plates, multiple end walls and pit membrane vestige were also observed in the tracheary elements.

利用扫描电子显微镜对毛茛科类叶升麻根和根状茎次生木质部中的管状分子进行观察,发现其管状分子类型丰富,主要有:管胞、管胞状导管、纤维导管和典型的导管分子,其中管胞、管胞状导管和纤维导管为在该类群中首次报道;在导管分子中,存在着梯状穿孔板、网状穿孔板、混合型穿孔板和单穿孔板,其中网状穿孔板和混合型穿孔板为在该类群中的首次报道;对其导管分子上的侧壁穿孔板、多穿孔板和纹孔膜残余也进行了描述。

Herbs small, with annual pseudostems from erect, reduced rhizome; roots fascicled, tuberous, fusiform.

小草本,一年生假茎从直立,退化根状茎发出;根簇生,块茎状,纺锤形。

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。

Petiole to 0.4 cm wide; rhizome usually without conspicuous internodes, or plants not rhizomatous.

叶柄到0.4厘米宽;根状茎通常没有明显节间,或植株不根状茎

Petiole to 0.4 cm wide; apical internodes of rhizome inconspicuous, or plants not rhizomatous.

叶柄到0.4厘米宽;顶端根状茎节间不明显,或植株不根状茎

All the seagrasses have horizontal rhizomes, and many species have vertical rhizomes. In some seagrass species, clonal reproduction, via apomict, was also observed.

所有的海草都具有水平根状茎,许多海草也具有垂直根状茎,在一些海草中,也观察到无性生殖。

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