花萼的

Although absent in most species, nectar may be produced in a spur (8) of the labellum, on the point of the sepals or in the septa of the ovary, the most typical position amongst the Asparagales.

虽然在大多数的物种中不存在，但花蜜可在唇瓣的距（片或花瓣、花萼或花冠上的、细小的、囊状、中空的附属结构。）中产出，在萼片的尖端或者在子房室之间的隔上，在天门冬目的植物里面所处位置最特别。

Pistillate flowers: calyx as in staminate flowers, persistent; corolla 4- or 5-lobed, base tubular and often inflated; reduced stamens absent; ovary sessile or with short pedicel, 1-loculed; ovules 2, pendulous from apex; stigma thick, peltate, apex concave, sometimes slightly oblique.

雌花： 花萼与雄花的相同，宿存；花冠4或5裂，基部管状和经常膨大；退化的雄蕊无；子房无梗或具短花梗，1室；胚珠2，从先端下垂；柱头粗，盾形的，凹的先端，有时稍的偏斜的。

Floral organ determination is best explained by the ABCDE model postulated by genetic studies of Arabidopsis thaliana. Sepals are determined by A and E class genes; petals are determined by A, B, and E; stamens by B, C, and E; and carpels by C and E class genes. A, B, C, and E class gene lineages are known having duplicated several times during the evolution of angiosperms. One of the noted major duplication events occurred in the origin of the early angiosperms, leading to the formation of subgroups of B/C/D/E class. Another one occurred near the basal eudicots and gave rise to further subgroups in A/B/C/D/E class genes among core eudicots. The phylogenetic position of the family Buxaceae is located right where the second major duplication of ABCDE genes might have occurred, which is supported by multiple gene (nuclear 18S rDNA, chloroplast rbcL and atpB) phylogenetic analyses.

目前经由模式植物阿伯芥的研究，建花部器官决定基因的调控，即花萼由A、E 群基因共同决定，花瓣由A、B、E 群基因，雄蕊由B、C、E 群基因，而心皮由C 和E 群基因决定。A、B、C、E 四群基因在被子植物的演化过程中发生过次的复制事件，其中比较重要的一次发生在早期被子植物演化出之时，形成B/C/D/E 群基因的次系群；另一次复制事件则发生在真双子植物基群附近，形成仅於核心真双子植物的A/B/C/D/E 群基因之次系群。

Calyx with 5 equal or subequal teeth, when subequal the lower 2 teeth as long as but narrower than upper 3, all inconspicuously veined; false spikes composed of 2-flowered verticillasters; leaves papery; petiole and stems variously hairy white lanate onl

花萼具5等长或近等长齿，近等长但是比上面的3，全部不明显脉狭窄的下部2齿倍于；由2花轮状聚伞花序组成的假的穗状花序；叶纸质；叶柄和茎各种地有毛的白色的具绵状毛的onl

Calyx with urceolate or cup-shaped free basal tube; sepals valvate, unequal.

花萼具瓶形的或杯状的离生的基部的筒；萼片镊合状，不等长。

Middle tooth of upper lip of calyx wider than lateral teeth, circular-ovate; lateral teeth broadly lanceolate to narrowly triangular.

中间齿的上唇的花萼宽比侧齿，圆卵形；侧的齿宽披针形的到狭三角形。

Calyx adnate to the ovary, limb annular to cupular, entire or shortly toothed, persistent.

短的或的对子房，环状到杯状，全缘的冠檐贴生的花萼齿，宿存。

Calyx adaxially with long simple hairs at least along veins; mericarps smooth, thin-walled, not dehiscent

花萼波动，5浅裂，边缘具长缘毛毛；相同的叶多少，相距为其直径的对几乎邻接的较少然后的叶背面鳞片。

Lasting past maturity without falling off,as the calyx on an eggplant or the scales of a pine cone.

宿存的，不落的持续保持成熟后的状态而不凋落，如茄子的花萼或松果的鳞苞

Lasting past maturity without falling of f,as the calyx on an eggplant or the scales of a pine cone.

宿存的，不落的持续保持成熟后的状态而不凋落，如茄子的花萼或松果的鳞苞

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。