Udotea spinulosa M.Howe

  • Filed As

    Udoteaceae
    Udotea spinulosa M.Howe ( holotype )

  • Collector(s)

    M. A. Howe 3272, 17 Apr 1904

  • Location

    Bahamas. Bemini Harbor, sandy bottom near low-wter mark.

  • Habitat

    "...on a sandy bottom near low-water mark..." (Howe, 1909, orig. publ.). On a sandy bottom (Howe, 1909, orig. publ.).

  • Specimen Notes

    "Filaments beset [?, illegible] with short, sharp-pointed processes" 1) "Flabellum-natural". 2) "Section-decalcified". 3) "From stipe, decalcif.". 4) "From base of flabellum. Decalcified". 5) "Section-Natural". 6) "From flabellum-decalcified".

  • Identifiers

    NY Barcode: 00887577

    Occurrence ID: b93b89e2-12cc-4ddd-b967-8fee473f3a06

  • Feedback

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  • Region

    West Indies

  • Country

    Bahamas

  • Locality

    Bemini Harbor, sandy bottom near low-wter mark

  • Coordinates

    25.748, -79.2792

  • Coordinate Uncertainty (m)

    4051.57

  • Georeferencing Method

    Georeferencing Quick Reference Guide, Version 2012. Located coordinates on shore closest to geogr. center of Bemini Harbor. Measured from coord. to farthest extent of the bay to find linear ext. (4040 m). Used MaNIS Georef. Calculator to find uncertainty (Bounded Area).

  • Geodetic Datum

    WGS84

  • Distribution

    Map all specimens of this taxon

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Collected in Bemini Harbor, Bahamas, by Marshall a. Howe,

April 17, 1904

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2. UDOTEA SPINULOSA M. A. Howe

2. Udotea spinulosa. Photograph of type specimens (dried) iroyn Bemini Harbor,
Bahamas (Howe3272). Natural size.

E, A NEW BAHAMIAN UDOTEA
Udotea spinulosa sp. nov.

Plants 7-8 cm. high from a fusiform or fasciculate-funicular
rhizoidal base, grayish green, strongly calcified ; stipe simple, sub-
terete below, flattened above, 1-2 cm. long, 3-4 mm. wide, corti-
cated, its surface nearly smooth or minutely velutinous-tomentu-
lose : flabellum obovate with a subcuneate base, 5-6 cm. long, 4-6
cm. wide, 0.4-0.6 mm. thick, longitudinally furrowed or striate,
not at all or very faintly zonate, rather rigid and brittle when dry,
lateral margins subentire, apical margin more or less laciniate and
commonly fractured, the surface appearing minutely corrugated or
spongiose-velutinous under a lens, becoming compact and nearly
smooth toward the base : filaments of the flabellum in 3-7 layers,
nearly parallel or flexuose and interwoven, subcylindrical, spar-
ingly dichotomous, strongly constricted just above the dichotomies,
46-84 ­1 in diameter, enclosed in a non-porose calcareous sheath
especially in the outer parts, or irregularly incrusted, the super-
ficial (or the interior wherever they touch the surface) thickly
beset externally with short cylindrical, truncate-conical, subturbi-
nate, or obconical processes 16?40/¨in diameter, each crowned with
2-8 acuminate prongs or spines formed by 1-3 close-set dichot-
omies, these lateral processes (mostly 55-160 fx long, including
their spinulose crowns) forming an imperfect kind of cortex;
medullary filaments of the stipe 70-110 ­i in diameter, the lateral
corticating branches 4-6 times dichotomous, their ultimate divis-
ions taper-pointed, mostly 28-200 fx long and 8-24 ­i in median
diameter. [Plate 4, figure 2 ; plate 8, figures 1-7.]

Collected on a sandy bottom near iow-water mark in Bemini
Harbor, Bahamas, Hozve 32J2, April 17, 1904.