萼片

Branchlets generally 4-6-angled; leaf blade large, 7-18 × 5-14 cm, relatively broad; sepals valvate; disk disciform.

小枝普遍4-6倾斜；叶片大， 7-18 * 5-14 厘米，相对宽；萼片镊合状；花盘盘状。 2 C。 angulatus 苦皮藤

Petals of same color as sepals, not black-brown, distally not enlarged.

与萼片相同的颜色的花瓣，并非黑棕色，上部不扩大。

Carpels usually numerous, rarely few; fruit an achene, rarely drupaceous; sepals persistent; leaves compound, very rarely simple.

通常的心皮多数，很少很少；果一瘦果，很少具核果；萼片宿存复叶，极少单。

Petals 5, longer than sepals, obovate or oblong, clawed, each side with 1 inflexed earlike scale at base.

花瓣5，长于萼片，或长圆形，瓣爪，每边的具1内折耳状鳞片在基部。

Fruiting pedicels ascending to divaricate, glandular or eglandular, lowermost 1-2.5 cm. Sepals purple, linear to linear-oblong, 9-12 × 2-3 mm, glabrous, pubescent, or glandular, white margined.

到极叉开，具腺或上升的果梗，最下萼片紫色1-2.5 厘米，线形到线形长圆形， 9-12 * 2-3 毫米，无毛，短柔毛，或具腺，白色的边缘。

Leaves oblong or oblong-ovate; scale-leaf at base of scape narrowly ensiform; sepals oblong, 2.5–3 mm; style not exserted.

叶长圆形或长圆状卵形；鳞叶在花葶基部狭剑形；萼片长圆形，2.5-3毫米；花柱不外露。

Ovary with as many locules as sepals, rarely more, apex flat or conic, often with a depressed nectary surrounding base of each epipetalous stamen; stigma capitate or hemispheric, entire or lobed, upper 1/2-2/3 receptive.

子房室与萼片同数，很少更多，先端平或圆锥形，通常具一背腹扁平蜜腺围绕每个花瓣上着生的雄蕊的基部；柱头头状或半球形，全缘的或浅裂，上面的1/2-2/3有感受性。

Flowers 5-merous; sepals slightly membranous, ca. 1 mm, margin erose; petals obovate. Disk absent.

花5瓣；萼片稍膜质，长约1毫米，边缘啮蚀状；花瓣倒卵形花盘无。

Flowers 4-merous, subsessile or sessile; sepals fleshy, broadly rounded, margin brown, erose with small teeth.

花4基数，近无柄的或无梗；肉质的萼片，宽圆形，边缘棕色，小的具齿。

Carpels 5; stamens usually 10; sepals imbricate; seeds exalbuminous.

心皮5；通常的雄蕊10；萼片覆瓦状；种子无胚乳。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。