Pycreus nitidus (Lam.) J.Raynal

Species

Angiosperms > Poales > Cyperaceae > Pycreus

Characteristics

Perennial herb, 0.2-0.5 m high, long-rhizomatous, leaves typically with sheaths underground and only blades emerging from substrate. Leaf blades 2-5 mm wide, flat. Culm scapose, 3-angled, 1.8-2.2 mm in diam. Inflorescence occasionally head-like, an anthela of shortly stalked (occasionally long-stalked) clusters of 3-9 spicately arranged spikelets. Subtending bracts 3 or 4, lowest 75-200 mm long, longer than inflorescence, leaf-like. Spikelets compressed, oblong-lanceolate, 8-18 x 3-4 mm. Glumes lanceolate with obtuse apex, 3.2-3.8 mm long, keel non-excurrent. Flowering time Oct., Nov. Nutlet obovate, 1.2 x 0.6-0.7 mm, biconvex, dark reddish brown, surface minutely reticulate.
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Perennial herb, up to 0.6 m high. Stolons robust, 3-8 mm thick, clearly nodose, covered in leaf sheaths. Leaves 2-8 mm wide, bright green, often clustered immediately behind terminal nodeless culm. Flowers: rays ± 50 mm long; spikes umbelled; spikelets 3-4 mm wide; style branches 2; glumes dark, shining chestnut-brown with lighter greenish markings on keel, flanks unmarked by any depression; Oct.-Feb. Fruit nutlet dotted, obovoid, dark brown.
Perennial herb, up to 0.6 m high. Stolons clothed by distant scales. Rays ± 50 mm long. Spikes umbelled. Style branches 2. Nut dotted, obovoid, dark brown. Glumes chesftiut-brown.
Tufted perennial, 20-50 cm. Spikelets dark red.
Robust plant with culms up to about 60 cm.
A yellow to dark red-brown inflorescence
A sedge.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.6
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

It grows in swamps and near the edges of swamps.
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In or near permanent water.
Light -
Soil humidity 1-3
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) -

Usage

The plants have been burnt then the ash washed through water to produce salt.
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°) -
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Vigor -
Productivity -

Distribution

Pycreus nitidus world distribution map, present in South Africa

Identifiers

LSID urn:lsid:ipni.org:names:311720-1
WFO ID wfo-0000506862
COL ID 4QNBX
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Cyperus lanceus f. densior Cyperus fulvus Pycreus nitidus Cyperus lanceus Pycreus umbrosus Cyperus lanceus var. divaricatus Cyperus lanceus var. grantii Cyperus lanceus var. humilis Cyperus lanceus var. melanopus Cyperus lanceus var. palaestinensis Cyperus lanceus var. ramosus Pycreus antsirabensis var. densior Pycreus lanceus var. melanopus