Cyperus reflexus Vahl ex Kunth

Bentawn flatsedge (en), Souchet (fr), Souchet réfléchi (fr)

Species

Angiosperms > Poales > Cyperaceae > Cyperus

Characteristics

Herbs, perennial, cespitose; rhizomes elongate, scaly, 2–3 mm wide. Culms roundly trigonous to terete, 30–80 cm × 1–1.6 mm, glabrous. Leaves 1–6, 10–40 cm, glabrous or essentially so. Inflorescences: heads ovoid to pyramidal, 9–15 mm diam.; rays 0 or 3–6, 0.5–4 cm, glabrous; bracts 3–4, longest erect, appearing as continuation of culm, others horizontal to ascending, 4–17 cm × 1.5–4 mm. Spikelets 25–60, reddish with contrasting yellowish or greenish edges, oblong-lanceoloid, strongly compressed, 5–6(–15) × 1.5–2.5 mm; floral scales 10–22, laterally reddish, medially yellowish green, 2-keeled, laterally strongly 1-ribbed on each side, proximally grooved, ovate-elliptic, 1.4–2.2 × 0.8–1.5 mm, apex acute, apically scabridulous (sometimes glabrous). Flowers: stamen 1; anthers 0.6–1 mm; styles 0.3–0.5 mm; stigmas 0.3–0.6 mm. Achenes reddish brown, stipitate, ovoid-ellipsoid, 0.8–0.9 × 0.3–0.4 mm, stipe 0.1–0.2 mm, apex acute to acuminate, surfaces reticulate or subtly rugulose.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality
Pollination anemogamy
Spread barochory
Mature width (meter) -
Mature height (meter) 0.15 - 0.4
Root system fibrous-root rhizome
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

Light 4-9
Soil humidity 7-9
Soil texture 1-4
Soil acidity -
Soil nutriment -
Hardiness (USDA) 8-12

Usage

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

Cultivation

Mode -
Germination duration (days) 25 - 30
Germination temperacture (C°) 21 - 23
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Habit

Cyperus reflexus habit picture by Trap Hers (cc-by-sa)

Flower

Cyperus reflexus flower picture by Trap Hers (cc-by-sa)

Distribution

Cyperus reflexus world distribution map, present in Bolivia (Plurinational State of), Brazil, Costa Rica, Ecuador, France, Peru, Paraguay, Uruguay, United States of America, and Venezuela (Bolivarian Republic of)

Identifiers

LSID urn:lsid:ipni.org:names:305743-1
WFO ID wfo-0000381088
COL ID 33DBF
BDTFX ID 20830
INPN ID 94007
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Cyperus brazas Cyperus baazas Cyperus fernandezianus Cyperus haematostachys Cyperus reflexus Cyperus rufescens Pycreus fernandezianus Cyperus arenicola Cyperus juncoides Cyperus sellowii Cyperus sparteus Cyperus reflexus f. anterna Cyperus reflexus f. capitata Cyperus reflexus f. evoluta Cyperus herteri Cyperus fraternus Cyperus pseudovegetus var. arenicola Cyperus reflexus var. fraternus Cyperus reflexus var. macrostachys Cyperus cyrtolepis var. arenicola Cyperus virens var. arenicola Cyperus reflexus f. major Cyperus reflexus var. reflexus Cyperus reflexus var. genuina