pierced-leaved pondweed
ʻO ka loko iʻa lau ʻia, ʻo ka inoa ʻepekema ʻo Potamogeton perfoliatus. Laha ʻia ka mea kanu ma kahi kokoke i nā ʻāina āpau (koe wale nō ʻo ʻAmelika Hema a me Antarctica) i loko o ke ʻano o ke aniau. Loaʻa ma ʻEulopa a me ʻAsia. Ke ulu nei ia i loko o nā loko, nā ʻauwai a me nā waihona ʻē aʻe me ka wai paʻa, waiwai i nā meaʻai, ma ka hohonu a hiki i kekahi mau mika.
He mea kanu wai piha. Hoʻokumu i kahi rhizome kolo kahi e ulu ai nā ʻōpala lōʻihi me nā lau blunt linear e waiho paʻa ana ma kēlā me kēia whorl. He translucent ka lau lau, 2.5-6 knm ka loa a mai 1 a 3.5 knm ka laula. I ke kūlohelohe, hiki i ka Pompus piercedis ke ulu a hiki i 6 mau mika ke kiʻekiʻe. Ke hiki i ka ʻili, hana ia i kahi spikelet pōkole ma kahi o 3 cm ka lōʻihi. ʻAʻole like me nā ʻano ʻano pili like ʻole, ʻaʻohe lau e lana ana.
Ma muli o kona nui, ua manaʻo nui ʻia he mea kanu loko ma mua o kahi mea kanu aquarium. Hoʻohana wale ʻia i loko o nā pahu nui loa no ke kau ʻana ma hope. Unpretentious, kūpono kūpono i nā kūlana hydrochemical a me nā mahana wai. No ka ulu maikaʻi, pono ka lepo momona o ka hohonu (20-30 cm).
