Vodokras chule

Frog watercress, dzina lasayansi Hydrocharis morsus-ranae. Chomeracho chimachokera ku Ulaya ndi madera ena a Asia. Imamera m’madzi osasunthika, monga nyanja ndi madambo, komanso m’madzi abata a m’mitsinje. Idayambitsidwa ku North America m'ma 1930s. Popeza idafalikira mwachangu m'madzi a kontinentiyo, idayamba kuwopseza zamoyo zamitundumitundu. Amagwiritsidwa ntchito makamaka m'mayiwe, koma samapezeka kwambiri m'madzi, makamaka m'madzi a biotope.

Kunja ngati maluwa ang'onoang'ono amadzi. Masamba a masamba ndi ozungulira, pafupifupi 6 cm m'mimba mwake, wandiweyani mpaka kukhudza, ndi notch yakuya pamtunda wa petiole. Masamba amakhala pamtunda, amasonkhanitsidwa mu rosette kuchokera pansi pomwe gulu lambiri la mizu yamadzi limakula, monga lamulo, silifika pansi. M'nyengo yofunda, imamasula ndi maluwa ang'onoang'ono oyera okhala ndi ma petals atatu.

Zomwe zimakula bwino zimatengedwa kuti ndi madzi otentha, acidic pang'ono, ofewa (pH ndi dGH) okhala ndi kuwala kwakukulu. Mapangidwe a mchere wa nthaka zilibe kanthu. M'madzi okhwima a aquarium kapena dziwe lomwe lili ndi chilengedwe chokhazikika, kuyambika kwa mavalidwe apamwamba sikofunikira. Ndikoyenera kukumbukira kuti m'madzi ochepa, Frog Vodokras, pamene ikukula, idzasefukira padziko lonse. M'madzi am'madzi, izi zimatha kuyambitsa kusokonezeka kwa kusinthana kwa gasi ndi kufota kwa mbewu zina, zomwe sizimayatsa mokwanira.