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Distribution

provided by Batrachospermales LifeDesk

Type Locality: Northern Territory, Australia.

Distribution: Northern Territory, Australia.

Inforamtion about Kumanoa vittata on Algaebase.

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Johnston, Emily
author
Johnston, Emily

Morphology

provided by Batrachospermales LifeDesk

"Plants moderately mucilaginous, delicate; branching irregular and abundant; apices straight, apical cells embedded within fascicle tips; 3.0-5.0 cm high, 350-500 µm in diameter. Whorls well developed, usually distinct and confluent, obconic. Internodes 200-550 µm long. Pericentral cells ovoid with 2-3 primary fascicles; rhizoidal filaments well developed, forming 1-2 layers of cylindrical cells. Primary fascicles curved distally, 8-13 cell-storeys; proximal cells elliptical or fusiform, L/D 3.5-7; distal cells elliptical or obovoid, L/D 1.3-3.5; branching dichotomous. Secondary fascicles abundant, covering the entire internode and as long as primary fascicles.

Monoecious. Spermatangia forming clusters on short lateral filaments and also on involucral filaments, 5.0-6.0 µm in diameter. Carpogonial branches, helically twisted, arising from pericentral cells or proximal fascicle cells, composed of 4-7 disc- or barrel-shaped cells; involucral filaments short, 1-4 cell-storeys; carpogonia 32-40 µm long; trichogynes club-shaped or cylindrical, unstalked, 4.0-9.0 µm in diameter. Carposporophytes 1 per whorl, dense, semi-spherical, lower than the whorl radius, 110-260 µm in diameter, 50-150 µm high; gonimoblast filaments 4-6 cell-storeys; cells cylindrical or barrel-shaped; carposporangia obovoid, 13.0-15.0 µm long, 7.0-11.0 µm in diameter."

Necchi, O. Jr. & Vis, M.L. 2012. Monograph of the genus Kumanoa (Rhodophyta, Batrachospermales). Bibliotheca Phycologica 116. J. Cramer. Pp. 78. ISBN 978-3-443-60043-3.

Kumano, S. Freshwater red algae of the world. Biopress, Ltd. 375 pp.

Entwisle, T. J. & Foard, H. J. 1999. Batrachospermum (Batrachospermales, Rhodophyta) in Australia and New Zealand: New taxa and records in Sections Contorta and Hybrida. Austral. Syst. Bot. 12: 615-633.

license
cc-by-nc
copyright
Johnston, Emily
author
Johnston, Emily

Size

provided by EOL authors
Plants monoecious, whorls conical, confluent, 390-480 μm in diameter, internodes 100-555 μm long. Axial cells 20-60 μm in diameter, cortical filaments cylindrical, 3-6 μm in diameter. Primary fascicles 2 or 3 per periaxial cell, more or less straight distally, 8-13 cell storeys, di- or trichotomously, 2-4 times(mostly restricted to proximal portion of fascicles) branched, proximal cell ellipsoidal, fusiform or obovoidal, 4-10 μm in diameter, 15-32 μm long, distal cells fusiform or obovoidal, 2.5-6 μm in diameter, 10-15 μm long. Spermatangia on primary or secondary fascicles, usually clustered on short lateral branch, in more or less distinct longitudinal band through the plant, also on some involucral filaments, spherical, 5-6 μm in diameter. Carpogonium-bearing branch once spiraled or contorted, arising from periaxial cell, consisting of 4-6 modified, discoidal cells, ca. 6 μm in diameter, 4 μm long. Involucral filaments spreading, (1-)3-4 cells long, not extending beyond carpogonium. Carpogonium obliquely attached, straight or curved, 3-4 μm in diameter at base, 32-40 μm long. Trichogyne not stalked, club-shaped or cylindrical, 4-9 μm in diameter at broadest portion. Carposporophytes 1 per whorl, in inner and outer portion of whorl, spherical to semi-spherical, compact, 110-260 μm in diameter, 0.5-1 times whorl radius, inserted centrally. Gonimoblast filaments compactly aggregated, 4-6 cells long. Carposporangia obovoidal, 7-10 μm in diameter, 13-15 μm long. No chantransia phase is observed.