@Article{taiwania1991362183,
AUTHOR = {Chiun-Lung Chang, Su-Hwa Tsai Chiang},
TITLE = {Spermatogenesis in Saleginalla tamariscina (Beauv.) Spring II. Opening of Antheridium, Maturation and Liberation of Spermatozoids},
JOURNAL = {Taiwania},
VOLUME = {36},
YEAR = {1991},
ISSUE = {2},
PAGES = {183-199},
URL = {https://taiwania.ntu.edu.tw/abstract/205},
ABSTRACT = {The metamorphosis of spermatozoid and the formation of operculum in microgametophyte of Selaginella tamariscina (Beauv.) Spring are studied under EM. The distinct during the metamorphosis are: (1) the elongation of the apical mitochondrion, (2) the separation of basal bodies and emergence of flagella, (3) thy elongation of nucleus and (4) discard of excess cytoplasm.
The formation and opening process of operculum described are the significant finding of microgametophytes in heterosporous lycopods. Operculum is derived from several jacket cells. After the operculum takes off, the spermatozoids spring out in a clump. Occasionally the jacket cells give rise to the spermatids, too.
A mature spermatozoid has a twisted long nucleus, an apical mitochondrion with or without a posterior mitochondrion, a posterior plastid containing several large starch grains and large flagella. The anterior flagellum exserts from the apex of the apical mitochondrion, while the posterior one exserts fron the juncture of the apical mitochondrion and the nucleus.},
DOI = {10.6165/tai.1991.36.183}
}