Meredithia norfolkensis G.W.Saunders & C.W.Schneider 2014

Publication Details
Meredithia norfolkensis G.W.Saunders & C.W.Schneider 2014: 181, fig. 6E, F

Published in: Schneider, C.W., Saunders, G.W. & Lane, C.E. (2014). The monospecific genus Meredithia (Kallymeniaceae, Gigartinales) is species rich and geographically widespread with species from temperate Atlantic, Pacific, and Indian Oceans. Journal of Phycology 50(1): 167-186, 8 figs.

Publication date: 17 February 2014

Type Species
The type species (lectotype) of the genus Meredithia is Meredithia microphylla (J.Agardh) J.Agardh.

Status of Name
This name is of an entity that is currently accepted taxonomically.

Type Information
Type locality: "Simons Water Flats, Norfolk Is., Australia, 29.02198° S, 167.98567° E, depth 12 m on rock."; (Schneider, Saunders & Lane 2014: 181) Holotype: G.W. Saunders & R. Withall; November 30, 2012; UNB; (Schneider, Saunders & Lane 2014: 181)

General Environment
This is a marine species.

Plants typically localized in small clumps. Individuals stipitate, stipes <1 mm wide and 2-4 mm tall and bearing a single blade, 1-2 cm in diameter, these blades remaining simple or bearing secondary blades from their margins and or surfaces, at times in series rendering individuals opuntioid in appearance. Blades clearly developing peltately from the stipe, including secondary blades, and clearly anastomosing, forming complex networks of interlaced and deeply peltate cups. Blades 200-300 µm thick in longitudinal section near the margin composed of a moderately filamentous medulla, these more typically longitudinally oriented distal from the margin than in other species reported here, with occasional stellate medullary cells observed throughout the section. Inner cortex of 2-3 cell layers, outer cortex slightly dorsiventral with 1-2 versus 2-3 cell layers on the ventral and dorsal surfaces, respectively. Ventral cortical cells 3-5 µm wide, 5-9 µm tall; dorsal cortical cells 2.5-5.0 µm wide, 5.0-7.5 µm tall. Reproduction not observed. Best identified by comparison to the type COI-5P barcode sequence (GenBank: KF280939).

Created: 17 February 2014 by M.D. Guiry.

Last updated: 22 February 2014

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Citing AlgaeBase
Cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 22 February 2014. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway.; searched on 28 September 2022

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