Aʻa nui maʻamau
Polyrhiza maʻamau, inoa ʻepekema Spirodela polyrhiza. Hoʻolaha nui ʻia ia ma ka ʻāpana ea ma ka ʻĀkau a me ka Hema. Ke ulu nei ia ma ʻEulopa ma nā wai pāpaʻu a me nā ʻāina wai o nā muliwai.
Hoʻohana ʻia ma ke ʻano he mea kanu aquarium. A hiki i ka hoʻomaka ʻana o ka makahiki 2000, ua hāʻawi ʻia kekahi ʻano ʻē aʻe ma lalo o ka inoa Common Rootweed - Spotted duckweed (Landoltia punctata), i hoʻokaʻawale ʻia ma hope i kahi ʻano ʻokoʻa.
Manaʻo ʻia ʻo ia ka ʻano nui o ka duckweed. ʻO ka ʻōpuʻu he mau ʻāpana palahalaha a puni i hoʻopili ʻia e like me kahi trefoil, ʻo kēlā me kēia ma kahi o 6 mm ke anawaena, ʻoiai ʻo ka ʻōpuʻu ponoʻī a hiki i 1 knm a ʻoi aku paha. He ʻōmaʻomaʻo ka ʻaoʻao luna, ʻulaʻula ka ʻaoʻao lalo. Kau nā aʻa mai ke kumu o ka ʻōpuʻu, hōʻiliʻili ʻia i nā pūpū.
Maʻalahi ka mālama ʻana i ka mea kanu. Ke ulu wikiwiki nei ia, ʻoi aku ka nui o ka wai i ka nui o nā nitrates, phosphates a me ka potassium. He haʻahaʻa ka pono o ke kukui. Ke mālama ʻia i loko o kahi aquarium, koi ʻia ka thinning maʻamau, inā ʻaʻole e uhi koke ʻia ka ʻili me kahi "kāpena" ʻōmaʻomaʻo.
