一种美国水生植物，叶肾形或圆心形，佛焰苞具有短的柄或无柄；通常扎根在池塘和水沟的底部淤泥中。
American plant with roundish heart-shaped or kidney-shaped leaves; usually rooted in muddy bottoms of ponds and ditches.
这种水生植物的佛焰苞经多大60厘米长。
The longest spathe of submersed plant was measured more than 60 cm!
我建议他把这两种椒草的佛焰苞用相机拍下来，他在二月份照到了。
I advised him to photograph the spathe of the plants, so he did in February.
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