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It was a creative research method that by means of the culture in vitro of unfertilized ovary of strawberry to induce the gynogenesis and obtain the gynogenic plants with half number chromosomes.

首次对草莓未受精子房进行了离体培养,诱导了雌核发育,并获得了染色体数减半的胚囊植株。这是继草莓花粉植物后,开辟的获得草莓单倍体植株的又一条途径。

Inflorescence without involucre, often unisexual; male flower with 3-5 stamens; female flower with tubular perianth around ovary.

没有总苞的花序,通常单性;雄花具3-5雄蕊;在子房周围的雌花具管状的花被。

Its main features were: the flowering branch 70~170 cm; the inflorescence is racemes or simple panicle; the axis of inflorescence is thick, and the node is distict; there are 4~5 florets in a spikelet, and the spikelet is non-stem; small rachis internodes glabrous, and the pikelet like a stick; there are 2 membrane glume; the lemma is longer or equal to the palea; there are 2 squamas, and 6 stamens; its ovarium like ovatum; there are 3 brushy tigmas; did not see the caryopsis; flowering February-March.

摘要《中国植物志》第九卷第一分册及其它的相关文献均无关于竹亚科簕竹属吊罗坭竹花的描述或记录,本文作者采集制作了该竹子繁殖器官标本,并分别用中文和拉丁文对其进行了描述,其主要特征:花枝长70~170 cm;花序为总状花序或简单的圆锥花序;花序轴粗,节明显;小穗含4~5朵小花;小穗无柄;小穗轴节间无毛,呈棒状;颖2,膜质;外稃长或等于内稃;鳞被2;雄蕊6;子房卵形;柱头3,呈毛刷状;颖果未见。

Pistillate flowers in dense spikes, without bractlets; calyx as in male flowers, persistent, recurved; rudimentary stamens very short; ovary with stigma capitate, sessile.

雌花在紧密的穗状花序里的,没有小苞片;花萼与雄花的相似,宿存,下弯;不发育雄蕊非常短;子房具柱头头状,无梗。

Cytoembryological studies were employed to reveal theorigin of haploid and to determine the cytological factersrelating to the production of diploid polyembryony withinone embryo sac occurring in natural population of apolyembryonic line SB-1 of O.sativa.

SB-1自然群体中的单倍体来源于助细胞无配子生殖。细胞胚胎学研究表明,卵器中的一个或两个助细胞能在受精之前发育成胚,其发生率分别为观察子房数的2.24%和1.75%。

Ovary 5-18-loculed; ovules 1 per locule; styles as many as carpels, slender; stigmas capitate. Fruit a schizocarp, oblate; mericarps 5-18, indehiscent, reddish brown, horseshoe-shaped with a prominent ventral notch, sometimes 2- or 3-cuspidate.

子房5-18室;胚珠1每室;同数的花柱心皮,纤细;柱头头状果一分果,扁球形;分果爿5-18,不裂,红棕色,马蹄形有一突出的腹面槽口的,有时2或3骤尖。

Ovary 1-loculed; seeds not separated by either longitudinal or false transverse septa.

子房1室;种子不被或者纵向的或分开假的横裂的隔膜。

Leaves circinately 1-folded toward stipule when young, leaf blade spatulate, obovate, or cuneate, 0.9-2.8 cm; peduncle and sepals abaxially densely glandular hairy; styles shorter than ovary

向托叶幼时1 折叠的叶环状,匙形,倒卵形的叶片,或楔形,0.9-2.8厘米;背面的花序梗和萼片浓密腺毛;花柱短于子房 3 D。 spathulata 匙叶茅膏菜

A group of families or trees and shrubs and herbs having well-developed perianths and apocarpous ovaries and generally regarded as the most primitive extant flowering plants; contains 36 families including Magnoliaceae and Ranunculaceae; sometimes classified as a superorder.

一组乔木灌木和草本植物目,有良好的花被和心皮连生的子房,通常被视为现存最原始的开花植物;有36科,包含木兰科和毛茛科。

Ovary less than 1/2 superior; seeds wingless or sometimes very shortly winged at one or both ends.

子房少于1/2上位;有时的种子无翅或在一或两末端具翅的非常短的。

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