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Botanical Studies
Figure 9 | Botanical Studies

Figure 9

From: Conspecificity of two morphologically distinct calcified red algae from the northwest Pacific Ocean: Galaxaura pacifica and G. filamentosa (Galaxauraceae, Rhodophyta)

Figure 9

Drawings of carpogonial branches of Galaxaura pacifica Tanaka from Small Port, KNP, southern Taiwan. (A) Type I carpogonial branch pattern showing that the carpogonial branch initiation replaces one of cortical filaments (co). The carpogonial branch consists of the carpogonium (c) with the trichogyne (t), the hypogynous cell (h), and the basal cell (b); (B) Type II carpogonial branch pattern showing that the carpogonial branch initiation arises between cortical filaments (co). The carpogonial branch consists of the carpogonium (c) with the trichogyne (t), the hypogynous cell (h) bearing the sterile cell (arrowhead), and the basal cell (b); (C) Type III carpogonial branch showing a mixture of type I and type II carpogonial branch pattern. The carpogonial branch consists of the carpogonium (c) with the trichogyne (t), the hypogynous cell (h) bearing the sterile cell (arrowheads), and the basal cell (b) bearing several sterile filaments (arrows); (D) Developed type I carpogonial branch showing the carpogonium (c) with trichogyne (t), the hypogynous cell (h) bearing several sterile cells (arrowheads), and two basal cells (b1, b2) producing many sterile filaments (arrows); (E) Developed type III carpogonial branch showing the carpogonium (c) with trichogyne (t), the hypogynous cell (h) bearing several sterile cells (arrowheads), and the basal cell (b) producing many sterile filaments (arrows).

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