单茎的

Panicle usually similar to spike or capitulum; stem absent or solitary, stout, with dense leaves and large bracts, nodes inconspicuous.

圆锥花序通常类似于穗状花序或小头状花序；茎无的或单生，粗壮，具紧密的叶和大的苞片，节不明显。

Gel-blot analysis of RNA isolated from cucumber leaf, root, stem and flower showed that the abundance of CuATP mRNA was low or no in root, moderate in stem and flower, and higher in leaves.

CuADC的表达分析表明CuADC在黄瓜中以单拷贝形式存在，在花和根中的表达量较大，茎叶中较少，不同品种间也存在差异，对胁迫的响应各不相同，"花打顶"后其表达量增加。

To find out the optimal method to preserve good quality of mother plant with confused genetic backgrounds and to produce seedings of Senecio hybridus effectively and rapidly,in vitro culture and high frequency propagation of Senecio hybridus was studied by means of using stem-segment with single bud as explants.

为探索瓜叶菊杂合体母株优良性状的保存方法，以便快速有效地进行瓜叶菊种苗的生产，以瓜叶菊5个不同花色母株的单芽茎段为外植体进行了离体培养与快速繁殖研究。

Herbs, perennial, 5-35 cm tall, suberect to ascending from creeping branching rooting base; stems solitary or ± cespitose, unbranched or ± branched above.

多年生草本，5-35厘米高，来自匍匐的枝根基部的直立到上升；上面的茎单生或多少丛生，不分枝的或多少枝。

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。

Radical leaves: stipules ovate, herbaceous, adnate to petiole; petiole sheathing at base; leaf blade imparipinnate; leaflets opposite, rarely alternate, broadly elliptic or obovate-oblong; cauline leaves few, with few leaflets, or simple and then margin 3-lobed or 2- or 3-serrate.

胚根叶：托叶卵形，草本，贴生于叶柄；叶柄具鞘的在基部；叶片奇数羽状；小叶对生，很少互生，宽椭圆形或倒卵形长圆形；很少的茎生叶，有很少传单，3浅裂的或单的然后空白边2或3使成锯齿波。

Flowers solitary in bract axils, bisexual, forming dense or loose, spikelike inflorescences on upper stem and branches; bractlets absent.

花单生苞片腋，两性，形成紧密或松散的，由上面茎和分枝开出的花序；小苞片缺席。

Roots stout. Stems solitary, rarely sparingly caespitose, erect, diffusely many branched, glabrous or proximally glandular pubescent.

根粗壮。茎单生，很少少量地丛生，直立，广泛地多分枝，无毛的或下部的腺状短柔毛。

Fruit without pulp vesicles; stamens distinct; flowers axillary, solitary or in few-flowered fascicles; petiole 0.4-2.5 cm, usually bent and/or twisted and ± apically swollen; erect or scrambling shrubs or woody climbers, usually armed.

茎圆柱状或者具条纹，无翅；花冠远长于花萼，通常黄，较少的通常淡紫色，粉红色，带红色，白色，或白色具红色的中心 19 Paramignya 单叶藤橘属

The flowers occur in clusters and are not solitary at the end of the stem.

它的花成簇状，而不是位于茎干尾部的单花。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。