Species: Carex buxbaumii

Buxbaum's Sedge
Species

    Brown Bog Sedge is a loosely clumped grass-like perennial that grows in patches. The bases of the plants are purplish-red tinged. Leaves are strap-like, 2.0-3.5 mm wide, and light-green. Stems are 25-75 cm long and are terminated by one flower/fruit cluster (spike). This terminal spike has female flowers above and male flowers below. Also towards the apex of the stem are 2-4 cylindrical spikes composed entirely of female flowers. These spikes are on short, erect, secondary stems that attach to the main stem. The female flowers mature into fruit (perigynia) which are 2.5-4.0 mm long (Mackenzie 1931-1935, Murray 2002).

    Kingdom
    Plantae
    Phylum
    Anthophyta
    Class

    Monocotyledoneae

    Order

    Cyperales

    Family

    Cyperaceae

    Genus

    Carex

    Classification
    Other Global Common Names
    Brown Bog Sedge - Buxbaum's sedge - carex de Buxbaum
    Informal Taxonomy
    Plants, Vascular - Flowering Plants - Sedge Family
    Formal Taxonomy
    Plantae - Anthophyta - Monocotyledoneae - Cyperales - Cyperaceae - Carex

    Brown Bog Sedge is a loosely clumped grass-like perennial that grows in patches. The bases of the plants are purplish-red tinged. Leaves are strap-like, 2.0-3.5 mm wide, and light-green. Stems are 25-75 cm long and are terminated by one flower/fruit cluster (spike). This terminal spike has female flowers above and male flowers below. Also towards the apex of the stem are 2-4 cylindrical spikes composed entirely of female flowers. These spikes are on short, erect, secondary stems that attach to the main stem. The female flowers mature into fruit (perigynia) which are 2.5-4.0 mm long (Mackenzie 1931-1935, Murray 2002).

    Short General Description
    Perennial, erect, tufted sedge with stout, nearly stemless spikes and narrow leaves.
    Reproduction Comments
    Lower spikelets are pistillate, uppermost one is gynecandrous (Fernald 1950, Gleason and Cronquist 1991) or androgynecandrous (Radford et al. 1968) or staminate throughout (Fernald 1950). Spreads by long rhizomes. All Cyperaceae except Dichromena are wind-pollinated. The inflated perigynium allows Carex seeds to float for long periods of time (2 days to over 12 months, depending on the species), and various species are also dispersed by ants, birds, and mammals (Ridley 1930).
    Ecology Comments
    "In sun or semi-shade" (unpubl. TNC material from Ohio); also see habitat description.
    NatureServe Global Status Rank
    G5
    Global Status Last Reviewed
    1984-02-24
    Global Status Last Changed
    1984-02-24
    Conservation Status Map
    <img src="http://www.natureserve.org/explorer/servlet/GetMapGif?CA.AB=S3&CA.BC=S4&CA.LB=S3&CA.MB=S4&CA.NB=S4&CA.NF=S4&CA.NT=SNR&CA.NS=S4&CA.ON=S5&CA.QC=S4&CA.SK=S2&CA.YT=S2&US.AK=SNR&US.AR=S1&US.CA=S3&US.CO=SNR&US.CT=S1&US.DE=S1&US.DC=SH&US.GA=SH&US.ID=S3&US.IL=S3&US.IN=SNR&US.IA=S4&US.KS=S1&US.KY=SH&US.ME=SNR&US.MD=S2&US.MA=S2&US.MI=SNR&US.MN=SNR&US.MO=S2&US.MT=S4&US.NE=S2&US.NV=SNR&US.NH=S1&US.NJ=S3&US.NY=S2&US.NC=S2&US.ND=S1&US.OH=SNR&US.OK=SNR&US.OR=SNR&US.PA=S3&US.RI=SU&US.TN=S1&US.UT=SNR&US.VT=S1&US.VA=S2&US.WA=S3&US.WV=S2&US.WI=SNR&US.WY=S2" alt="Conservation Status Map" style="width: 475px; height: auto;" />
    Global Range
    Circumboreal; in North America, Newfoundland to Alaska, south to North Carolina (listed for Georgia by Russell and Duncan 1972, but currently ranked historically by Georgia Heritage Program), Tennessee, Arkansas, Oklahoma, Colorado, Utah, Nevada, California.
    ELEMENT_GLOBAL.2.144092