pierced-leaved pondweed

Iyo yakaboorwa-yakasara pondweed, zita resainzi ndiPotamogeton perfoliatus. Chirimwa ichi chakapararira kunenge makondinendi ese (kunze kweSouth America neAntarctica) munzvimbo inodziya yemamiriro ekunze. Inowanikwa muEurope neAsia. Inokura mumadziva, machakwi nemamwe madhirimu ane mvura isingayerere, yakapfuma mune zvinovaka muviri, pakadzika kusvika pamamita akati wandei.

Icho chirimwa chemvura zvachose. Inoumba rhizome inokambaira kubva painokura madzinde akareba ane mutsara akagomara mashizha anowanikwa ari ega pane yega yega. Shizha reshizha rinopenya, 2.5-6 cm kureba uye kubva 1 kusvika 3.5 cm paupamhi. Muzvisikwa, Pompus piercedis inogona kukura kusvika mamita matanhatu pakureba. Kana ichisvika pamusoro, inoumba pfupi spikelet inenge 6 cm kureba. Kusiyana nemamwe marudzi ane hukama nepedyo, hapana mashizha anoyangarara.

Nekuda kwehukuru hwayo, inonyanya kutorwa sechirimwa chedhamu kwete chirimwa chemu aquarium. Inoshanda chete mumatangi makuru kwazvo ekuiswa kumashure. Kusatendeseka, kunogadzirisa zvakakwana kune akasiyana hydrochemical mamiriro uye tembiricha yemvura. Pakukura kwehutano, ivhu rekudya rakadzika zvakakwana (20-30 cm) rinodiwa.