tetrasporen.

/ˈtɛtrəspɔː/

Etymology: < tetra- comb. form + spore n.

Botany.

A group (usually) of four asexual spores, resulting from the division of a mother cell, in the Florideæ, a group of Algæ.

ΘΚΠ

the world > plants > particular plants > algae > [noun] > red algae > part or cell of

nemathecium1830

ceramidium1849

tetraspore1857

trichophore1860

phycoerythrin1866

coccidium1867

kalidium1872

cystocarp1875

palmelline1879

tetragonidium1882

rhodoplast1886

nemathece1889

siphon1889

tetrasporangium1890

1857 M. J. Berkeley Introd. Cryptogamic Bot. §88. 108 Tetraspores, mostly immersed in the fronds.

1867 W. T. Brande & G. W. Cox Dict. Sci., Lit. & Art (new ed.) III. 754/2 Tetraspore [is] one of the forms of fructification found in some sea-weeds. It consists of little clusters of spores, in most cases four in number, but very rarely eight.

1875 J. H. Balfour in Encycl. Brit. I. 508/2 Spores have a tendency to divide into four; such compound spores are called tetraspores.

Derivatives

tetrasporic adj.

/tɛtrəˈspɒrɪk/ composed of or producing tetraspores.

ΘΚΠ

the world > plants > particular plants > algae > seaweed > [adjective] > of or belonging to type of seaweed

monosiphonous1853

rhodospermous1856

tetrasporic1857

tetrasporous1874

fucaceous1891

monosiphonic1899

laminaria1935

lithothamnion1935

lithothamnic1967

1857 M. J. Berkeley Introd. Cryptogamic Bot. §172. 195 Distinguished by their almost constant production of tetrasporic, instead of polysporic, moniliform threads.

tetrasporous adj.

/tɛtrəˈspɔərəs/

/tɪˈtræspərəs/ composed of or producing tetraspores.

ΘΚΠ