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Cypsela An achenelike fruit that develops from an inferior ovary and contains some tissues not derived form the carpel.

cypsela 连萼瘦果:由下位子房发育来的瘦果状的果实,还包含一些不是来源于心皮的组织。

Sepals 3(or 5); lateral sepals free or connate, margins entire or serrate; lower sepal large, petaloid, usually navicular, funnelform, saccate, or cornute, tapering or abruptly constricted into a nectariferous spur broadly or narrowly filiform, straight, curved, incurved, or ± coiled, swollen at tip, or pointed, rarely 2-lobed, rarely without spur. Petals 5, free, upper petal flat or cucullate, small or large, often crested abaxially, lateral petals free or united in pairs. Stamens 5, alternating with petals, connate or nearly so into a ring surrounding ovary and stigma, falling off in one piece before stigma ripens; filaments short, flat with a scalelike appendage inside; anthers 2-celled, connivent, opening by a slit or pore.

萼片3(或5);侧萼片离生或者合生,边缘全缘或者有锯齿;更低的萼片大,瓣状,通常舟形,漏斗状,囊状,或具角状突起,渐减突然或缢缩进一分泌蜜汁具距或宽狭丝状,花瓣5,离生,上面的花瓣平坦的或者兜状,雄蕊5,与花瓣互生,合生或者近合生成环而围绕子房和柱头,在柱头成熟之前完整地从上面落下;花丝短,扁平,在里面的有一鳞片状附属物;花药2室,靠合,通过一条裂缝或者孔开裂。

Ovary ovoid, with prominent filiform style, or hourglass-shaped, with short tapering style.

子房卵球形,具突出的丝状的花柱,或沙漏形状,具短渐尖的花柱。

He also observed that gymnosperm ovules were not enclosed in an ovary wall, leading to the establishment of one of the basic differences between angiosperms and gymnosperms.

他还观察到裸子植物的胚珠并不是被子房壁包围,这个发现直接导致了被子植物和裸子植物之间最根本的几点区别的建立。

5 Mm. Female flowers: pedicels short but extending to ca. 5 mm in fruit; sepals 5, oblong-ovate to ovate-lanceolate, ca. 8 mm; petals and disk as in male; ovary ovoid; styles 3, apex bifid.

雌花:花梗短,但在果期延伸到约5毫米;萼片5,长圆状卵形的到卵状披针形,约8毫米;如同在男性里的花瓣和花盘;子房卵球形;花柱3,先端2裂。

Fruits of Chrysanthemum are achene (one-seeded fruits, with the pericarp free from seed, indehiscent), and normally have special structures which can help them spread.

菊花的果实为瘦果(子房室含一枚种子,种子与子房壁分离,果皮不开裂),常具有辅助传播的构造。

Annual or weakly perennial herbs; ovary 4-locular; fruit dry; pyrenes 1-seeded; flowers sessile

一年生草本的或身体虚弱的多年生草本;子房4室;果干燥;果核1种子;花无梗 5 Verbena 马鞭草属

Leaf blades ovate or rhomboid-ovate, margin sharply singly serrate above middle; flowers white; ovary basally slightly pubescent.

单个的叶片卵形或斜方形卵形,边缘锐有锯齿在中部以上;花白色基部的子房稍具短柔毛。

Ovary 2-locular; ovules numerous. Style glabrous. Fruit a red or red-purple berry, globose.

子房2室;胚珠多数花柱无毛果一红色的或红色紫色的浆果,球状。

First nymph will get into buds to feed germen by piercing-sucking mouthpart as soon as hatched, which stop flowering and make it becoming galls. From first to 3th nymph complete their development in flower-galls. They have a low death-rate since protection of galls. the 4th nymphs were observed in the end of July at the moment that the period of summer-diapause may begin.

孵化后的初龄若虫即进入未开放的花苞内以刺吸式口器取食子房,致使花苞不能开放而成为虫瘿。1—3龄若虫在花部虫瘿内完成发育,死亡率较低,至7月底发育到4龄若虫时开始夏滞育。

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