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Isolepis R.Br.

Bulrush (en), Isolépis (fr)

Genus

Angiosperms > Poales > Cyperaceae

Characteristics

Herbs, annual or rarely perennial. Rhizomes present or absent. Culms tufted, terete. Leaves all basal; sheath green to straw-colored, sometimes nearly reddish; ligule absent; leaf blade often much reduced. Involucral bract leaflike, spreading to erect. Inflorescences capitate, with few to many spikelets or reduced to a single spikelet, rarely an anthela. Spikelets with few to many spirally arranged mostly deciduous glumes. Glumes each subtending a flower but basalmost sometimes empty. Flowers bisexual. Perianth bristles absent. Stamens 1-3. Style linear, persistent, base not or slightly thickened, apex 2-or 3-cleft. Nutlet mostly obovoid, biconvex or 3-sided, papillose or longitudinally ribbed.
More
Herbs, annual or perennial, cespitose, rhizomatous or not, smooth, glabrous. Culms terete. Leaves all basal; sheaths green to stramineous, sometimes reddish proximally; ligules absent; blades rudimentary to exceeding culms. Inflorescences terminal, sometimes pseudolateral, capitate or solitary spikelet; spikelets 1–3(–15); involucral bracts 1(–2), spreading to erect, like foliage leaf blades. Spikelets: scales 8–25, spirally arranged, each subtending flower. Flowers bisexual; perianth absent; stamens 1–3; styles linear, 2–3-fid, base persistent, sometimes slightly enlarged. Achenes biconvex or trigonous, papillose or longitudinally ribbed.
Life form
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) -
Root system rhizome
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
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Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
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Hardiness (USDA) 5-12

Usage

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

Cultivation

Mode -
Germination duration (days) -
Germination temperacture (C°) -
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Images

Isolepis unspecified picture

Distribution

Isolepis world distribution map, present in Afghanistan, Angola, Åland Islands, Albania, Austria, Burkina Faso, Bulgaria, Belarus, Bolivia (Plurinational State of), Botswana, Switzerland, Chile, China, Comoros, Costa Rica, Cyprus, Czech Republic, Germany, Denmark, Algeria, Ecuador, Egypt, Eritrea, Spain, Ethiopia, Fiji, Falkland Islands (Malvinas), France, Georgia, Greece, Guatemala, Hungary, Indonesia, Ireland, Iran (Islamic Republic of), Iceland, Italy, Japan, Kazakhstan, Kenya, Kyrgyzstan, Libya, Lesotho, Morocco, Madagascar, Mali, Myanmar, Mozambique, Mauritius, Namibia, Norfolk Island, Nigeria, Nicaragua, Netherlands, Norway, Nepal, Pakistan, Panama, Peru, Philippines, Palau, Poland, Portugal, Réunion, Romania, Russian Federation, Rwanda, Saudi Arabia, Sudan, Sweden, eSwatini, Turks and Caicos Islands, Thailand, Tunisia, Tanzania, United Republic of, Uganda, Ukraine, Uruguay, United States of America, Uzbekistan, Venezuela (Bolivarian Republic of), Viet Nam, Yemen, Zambia, and Zimbabwe

Identifiers

LSID urn:lsid:ipni.org:names:324327-2
WFO ID wfo-4000019278
COL ID 8VYJS
BDTFX ID 86611
INPN ID 193642
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Isolepis

Lower taxons

Isolepis diabolica Isolepis digitata Isolepis angelica Isolepis antarctica Isolepis carinata Isolepis cernua Isolepis costata Isolepis expallescens Isolepis inconspicua Isolepis inundata Isolepis karroica Isolepis keniaensis Isolepis kilimanjarica Isolepis leptostachya Isolepis marginata Isolepis multicaulis Isolepis natans Isolepis pellocolea Isolepis prolifera Isolepis pseudosetacea Isolepis reticularis Isolepis stellata Isolepis subtilissima Isolepis trachysperma Isolepis victoriensis Isolepis alpina Isolepis bicolor Isolepis bulbifera Isolepis caligenis Isolepis capensis Isolepis congrua Isolepis hemiuncialis Isolepis humbertii Isolepis hystrix Isolepis inyangensis Isolepis leucoloma Isolepis ludwigii Isolepis minuta Isolepis rubicunda Isolepis sororia Isolepis striata Isolepis tenuissima Isolepis venustula Isolepis wakefieldiana Isolepis pusilla Isolepis sepulcralis Isolepis moseleyana Isolepis aucklandica Isolepis basilaris Isolepis beccarii Isolepis graminoides Isolepis nigricans Isolepis varians Isolepis levynsiana Isolepis verrucosula Isolepis australiensis Isolepis brevicaulis Isolepis distigmatosa Isolepis gaudichaudiana Isolepis humillima Isolepis oldfieldiana Isolepis omissa Isolepis pottsii Isolepis ruwenzoriensis Isolepis sulcata Isolepis tasmanica Isolepis cyperoides Isolepis producta Isolepis namaquana Isolepis habra Isolepis crassiuscula Isolepis montivaga Isolepis incomtula Isolepis praetextata Isolepis ranko Isolepis setacea Isolepis fluitans
WorldFloraDB 2024