A new preferentially outcrossing monoicous species of Volvox sect. Volvox (Chlorophyta) from Thailand
Fig 2
Sexual reproduction of Volvox longispiniferus sp. nov. from Thailand.
(A, B, D, E) Bright-field microscopy. (C) Nomarski differential interference contrast microscopy. (A) Young monoicous spheroid showing eggs (eg) and sperm packets (sp). Strain 1101-NZ-4. (B) Sperm packet in monoicous spheroid. Strain 1101-NZ-4. (C) Egg in monoicous spheroid. Strain 1101-NZ-4. (D) Sexual spheroid with matured zygotes. Strains 1101-NZ-4 x 1101-NZ-5. (E) Matured zygotes with long, acute spines on zygote walls. Strains 1101-NZ-4 x 1101-NZ-5.