Rhynchospora megalocarpa A.Gray

Sandyfield beaksedge (en)

Species

Angiosperms > Poales > Cyperaceae > Rhynchospora

Characteristics

Plants perennial, cespitose, to 130 cm, coarse; rhizomes scaly, stoloniferous, stout. Culms erect to arching, leafy, trigonous, slender, firm. Leaves overtopped by culms; blades linear, proximally flat, 3–7 mm wide, apex trigonous, subulate, tapering. Inflorescences: spikelet clusters 2–6, sparse, widely spaced, turbinate; peduncles and branches ascending; leafy bracts exceeding proximal clusters. Spikelets light red brown, ovoid to ellipsoid, (4–)5–8(–9) mm, apex acute or acuminate; fertile scales ovate, (5.5–)6–6.5(–7) mm, midrib included or short excurrent. Fruits 1–2 per spikelet, (3.5–)4–5 mm; body dark brown to mahogany or nearly black, broadly obovoid, tumid, nearly smooth, buttressed to tubercle; tubercle low conic, rimmed, 0.7(–1) mm, apex apiculate. Flowers: perianth bristles 6(–8), mostly reaching from fruit midbody to tubercle base, antrorsely barbellate.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 1.3
Root system rhizome
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
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Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 5-10

Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
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Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Rhynchospora megalocarpa unspecified picture

Distribution

Rhynchospora megalocarpa world distribution map, present in Åland Islands, Georgia, Nicaragua, and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:312303-1
WFO ID wfo-0000518591
COL ID 4ST9R
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Phaeocephalum dodecandrum Rhynchospora dodecandra Rhynchospora megalocarpa Rhynchospora pycnocarpa