圆柱状叶的

Leaf blade 10--20 cm; petiole without a green margin; branches of rachis terete or slightly compressed, obtusely angled, without wings or edges

叶片10 --20厘米；没有一绿色的边缘的叶柄；轴的分枝圆柱状的或稍压扁，钝有棱，没有翅或边缘 2 Goniolimon dschungaricum 大叶驼舌草

Stems 4-angled but not ancipitous when young, soon terete; internodes 1-5 cm, shorter than leaves.

茎幼时四棱形的但不二棱，不久圆柱状；节间的1-5厘米，短于叶。

Dark glands present on at least sepals and/or anthers or leaves; stem internodes 2-lined or terete; stamens usually apparently 3(or 4)-fascicled

在至少萼片和花药或叶上的深色的腺体宿存；茎节间的2线棱或圆柱状；雄蕊通常表面上3(或4)簇生 43

Leaves semiterete or terete, fleshy; inflorescence not spicate; abaxial appendages of perianth segments subulate or triangular in fruit.

叶半圆柱形的或圆柱状，肉质；花序不穗状；在果期的花被片钻形或三角形的背面的附属物。

Leaves opposite, fused at base to form short sheath, flat or terete, margin entire.

叶对生，在基部愈合形成短鞘，平的或圆柱状，边缘全缘。

Stems terete when mature; leaves ovate to elliptic or obovate, subacute to rounded

成熟时的茎圆柱状；叶卵形的到椭圆形或倒卵形，近尖到圆形 5

Petiole slender, 2.5-6.5(-10) cm, base terete, swollen; leaves clustered terminally

纤细的叶柄，2.5-6.5(-10)厘米，圆柱状的基部，膨胀；终点的叶簇生 25

Areoles with glochids; leaves usually small, terete to subulate, nerveless, caducous; flowers solitary, sessile; ovary inferior; seeds encased in a white, bony aril.

小窠有钩毛叶通常小，圆柱状的到钻形，无力，早落；花单生，无梗；子房下位；种子装箱在一白色，骨质。 2 Opuntia 仙人掌属

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

Herbs aquatic; at least female flowers lacking petals or inconspicuous; fruit splitting at maturity into (2-)4 1-seeded mericarps; leaves whorled, at least the lower ones pinnately divided.

肾形，卵形的叶，或正三角形；四棱形的果圆柱状或，裂爿先端容易与分离在开裂的假隔膜；子叶现任。 2 Myriophyllum 狐尾藻属

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。