spirogyra

/spahy-ruh-jahy-ruh/US // ˌspaɪ rəˈdʒaɪ rə //UK // (ˌspaɪrəˈdʒaɪərə) //

螺旋藻,螺状体,螺旋体,螺线虫

Definitions

n.名词 noun

1
Botany.
- : a widely distributed filamentous freshwater green alga of the genus Spirogyra.

The number of these bands varies much in different species of Spirogyra, but is commonly two or three.
Each thread is a long tube, branching sometimes, but not divided into cells as in Spirogyra or Cladophora.
Lindsay describes experiments carried on in a reservoir infested with Spirogyra.
We shall call it the Spiral Conferva, its scientific name being Spirogyra quinina.