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Isolepis cernua var. cernua Vahl

Variety

Angiosperms > Poales > Cyperaceae > Isolepis > Isolepis cernua

Characteristics

Annual herb, tufted, 0.05-0.20 m high. Leaf blades absent, or if present, setaceous, very short. Culm filiform, 0.2-1.0 mm in diam. Inflorescence a terminal head of 1-4 spikelets. Subtending bract suberect, very short. Spikelets ovate, 1.4-9.0 x 1.0-2.4 mm, 4-27-flowered. Glumes ovate, 0.8-2.1 x 0.4-1.6 mm, keel excurrent into minute point. Style branches 2 (var. setiformis) or 3 (var. cernua. Flowering time July-Mar. Nutlet broadly obovate, 0.5-1.2 x 0.4-1.0 mm, biconvex (var. setiformis) or 3-angled (var. cernua), brown or black, surface tuberculate (var. setiformis) or finely reticulate (var. cernua.
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Tufted, annual herb, up to 150 mm high. Stems filiform. Leaves with sheaths frequently reddish; blades absent or rarely very short. Flowers: inflorescence terminal, of 1(2) spikelet(s); at least 1 basal bract longer than spikelets; spikelets ovoid, 3.0 x 1.5 mm; glumes boat-shaped, straw-coloured or reddish, with green keels, mucro < 0.1 mm long; Nov.-Mar. Fruit nutlet tuberculate.
Life form annual
Growth form herb
Growth support -
Foliage retention evergreen
Sexuality -
Pollination anemogamy
Spread barochory
Mature width (meter) -
Mature height (meter) 0.05 - 0.2
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity 3-5
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 6-11

Usage

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

Cultivation

Mode -
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -12
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Isolepis cernua var. cernua unspecified picture

Distribution

Isolepis cernua var. cernua world distribution map, present in Albania, Cyprus, Algeria, Ecuador, Spain, Ethiopia, Falkland Islands (Malvinas), France, Greece, Ireland, Italy, Kenya, Libya, Lesotho, Morocco, Norfolk Island, Peru, Palau, Portugal, Turks and Caicos Islands, Tunisia, Uruguay, South Africa, and Zimbabwe

Identifiers

LSID urn:lsid:ipni.org:names:77171893-1
WFO ID wfo-0000448360
COL ID 5PJ72
BDTFX ID 36090
INPN ID 103856
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Isolepis chlorostachya Isolepis controversa Isolepis punctulata Isolepis rupestris Schoenoplectus savii Scirpus minaae Scirpus minimus Scirpus modestus Scirpus nudipes Scirpus pictus Scirpus savii Isolepis brevis Isolepis erubescens Isolepis heterophylla Isolepis kochii Isolepis microcarpa Isolepis minaae Isolepis pholiodes Isolepis pumila Isolepis pygmaea Isolepis savii Isolepis tenuis Fimbristylis pygmaea Isolepis leptocaulis Isolepis meyeniana Isolepis modesta Isolepis riparia Isolepis sicula Isolepis striatella Scirpus hookeri Scirpus numidianus Scirpus subprolifer Scirpus terminalis Scirpus arechavaletae Scirpus chaetodes Scirpus chloroticus Scirpus brevis d'urv. Isolepis leptalea Isolepis brachyphylla Isolepis brevifolia Isolepis fuscata Isolepis numidiana Isolepis setosa Scirpus leptaleus Scirpus subtilis Isolepis cernua var. cernua Isolepis pygmaea var. californica Scirpus cernuus subsp. californicus Scirpus cernuus var. californicus Scirpus cernuus var. vahlii Isolepis pygmaea var. brevis Isolepis pygmaea var. elongata Isolepis pygmaea var. pallida Isolepis pygmaea var. sanguinea Scirpus cernuus var. brevis (d'urv.) Scirpus cernuus var. durus Scirpus cernuus var. pygmaeus Scirpus setaceus var. pygmaeus Scirpus setaceus var. savii Scirpus cernuus f. aphyllus Scirpus cernuus f. pygmaeus Isolepis cernua f. aphylla Isolepis chaetodes Isolepis purpurascens
WorldFloraDB 2024