Table 1 Diagnostic characters of Scinaia species from the Azores
From: A re-evaluation of Scinaia (Nemaliales, Rhodophyta) in the Azores
Characters | S. acuta | S. furcellata | S. interrupta |
|---|---|---|---|
Arrangement of utricles in surface view | Rosette, large cells not completely surrounded by small cells | Rosette, large cells surrounded by small cells | Polygonal |
Shape of utricles in surface view | Large and smaller cells polygonal to rounded | Large cells rounded; small cells polygonal | Polygonal |
Shape of utricles in transversal view | Widely obovate | Ovoid to obovate | Square to oblong |
Spermatangium organization | Sorus | Sorus | Not sorus |
Rhizoidal filaments on the cystocarp | Absent | Absent | Present |
Fusion cell composition | Not observed | Basal cell, hypogynous cell and carpogonium | Basal cell, hypogynous cell and branches, carpogonium and lowest gonimoblast cells |