''Machaerina'' (twigrush) is a genus of flowering plants in the sedge family. Its species occur in tropical

America The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territorie ...

, the West Indies, Malesia,

Australia Australia, officially the Commonwealth of Australia, is a Sovereign state, sovereign country comprising the mainland of the Australia (continent), Australian continent, the island of Tasmania, and numerous List of islands of Australia, sma ...

and the Pacific region. The name comes from the Greek ''machaira'' (a large knife), alluding to the shape of the leaves in the type species – ''Machaerina restioides''.

Description

The species in the genus are rhizomatous perennials. The

leaves A leaf (plural, : leaves) is any of the principal appendages of a vascular plant plant stem, stem, usually borne laterally aboveground and specialized for photosynthesis. Leaves are collectively called foliage, as in "autumn foliage", wh ...

are mainly basal, with a few cauline, laterally compressed, distichous and equitant at base. The culms are tufted and pithy. The inflorescence consists of several partial

panicle A panicle is a much-branched inflorescence. (softcover ). Some authors distinguish it from a compound spike inflorescence, by requiring that the flowers (and fruit) be pedicellate (having a single stem per flower). The branches of a panicle are of ...

s. The flowers may be bisexual or male.

Species

Described species include: *''

Machaerina acuta ''Machaerina'' (twigrush) is a genus of flowering plants in the sedge family. Its species occur in tropical America, the West Indies, Malesia, Australia and the Pacific region. The name comes from the Greek ''machaira'' (a large knife), alluding ...

'' (Labill.) J.Kern *''

Machaerina anceps ''Machaerina'' (twigrush) is a genus of flowering plants in the sedge family. Its species occur in tropical America, the West Indies, Malesia, Australia and the Pacific region. The name comes from the Greek ''machaira'' (a large knife), al ...

'' (Poir.) Bojer *''

Machaerina angustifolia ''Machaerina'' (twigrush) is a genus of flowering plants in the Cyperaceae, sedge family (biology), family. Its species occur in tropical Americas, America, the West Indies, Malesia, Australia and the Pacific region. The name comes from the Greek ...

'' (Gaudich.) T.Koyama *''

Machaerina arthrophylla ''Machaerina'' (twigrush) is a genus of flowering plants in the sedge family. Its species occur in tropical America, the West Indies, Malesia, Australia and the Pacific region. The name comes from the Greek ''machaira'' (a large knife), alluding ...

'' (Nees) T.Koyama *''

Machaerina articulata ''Machaerina'' (twigrush) is a genus of flowering plants in the sedge family. Its species occur in tropical America, the West Indies, Malesia, Australia and the Pacific region. The name comes from the Greek ''machaira'' (a large knife), alluding ...

'' (R.Br.) T.Koyama *''

Machaerina aspericaulis ''Machaerina'' (twigrush) is a genus of flowering plants in the sedge family. Its species occur in tropical America, the West Indies, Malesia, Australia and the Pacific region. The name comes from the Greek ''machaira'' (a large knife), alluding ...

'' (Kük.) T.Koyama *''

Machaerina austrobrasiliensis ''Machaerina'' (twigrush) is a genus of flowering plants in the sedge family. Its species occur in tropical America, the West Indies, Malesia, Australia and the Pacific region. The name comes from the Greek ''machaira'' (a large knife), alluding ...

'' M.T.Strong *''

Machaerina ayangannensis ''Machaerina'' (twigrush) is a genus of flowering plants in the sedge family. Its species occur in tropical America, the West Indies, Malesia, Australia and the Pacific region. The name comes from the Greek ''machaira'' (a large knife), alluding ...

'' M.T.Strong *''

Machaerina bidwellii ''Machaerina'' (twigrush) is a genus of flowering plants in the sedge family. Its species occur in tropical America, the West Indies, Malesia, Australia and the Pacific region. The name comes from the Greek ''machaira'' (a large knife), alluding ...

'' (Stapf ex Setch.) T.Koyama *''

Machaerina complanata ''Machaerina'' (twigrush) is a genus of flowering plants in the sedge family. Its species occur in tropical America, the West Indies, Malesia, Australia and the Pacific region. The name comes from the Greek ''machaira'' (a large knife), alluding ...

'' (Berggr.) T.Koyama *''

Machaerina cubensis ''Machaerina'' (twigrush) is a genus of flowering plants in the sedge family. Its species occur in tropical America, the West Indies, Malesia, Australia and the Pacific region. The name comes from the Greek ''machaira'' (a large knife), alluding ...

'' (Kük.) T.Koyama *''

Machaerina deplanchei ''Machaerina'' (twigrush) is a genus of flowering plants in the sedge family. Its species occur in tropical America, the West Indies, Malesia, Australia and the Pacific region. The name comes from the Greek ''machaira'' (a large knife), alluding ...

'' (Boeckeler) T.Koyama *''

Machaerina disticha ''Machaerina'' (twigrush) is a genus of flowering plants in the sedge family. Its species occur in tropical America, the West Indies, Malesia, Australia and the Pacific region. The name comes from the Greek ''machaira'' (a large knife), alluding ...

'' (C.B.Clarke) T.Koyama *''

Machaerina ekmanii ''Machaerina'' (twigrush) is a genus of flowering plants in the sedge family. Its species occur in tropical America, the West Indies, Malesia, Australia and the Pacific region. The name comes from the Greek ''machaira'' (a large knife), alluding ...

'' (Kük.) T.Koyama *''

Machaerina ensifolia ''Machaerina'' (twigrush) is a genus of flowering plants in the sedge family. Its species occur in tropical America, the West Indies, Malesia, Australia and the Pacific region. The name comes from the Greek ''machaira'' (a large knife), alluding ...

'' (Boeckeler) T.Koyama *''

Machaerina ensigera ''Machaerina'' (twigrush) is a genus of flowering plants in the sedge family. Its species occur in tropical America, the West Indies, Malesia, Australia and the Pacific region. The name comes from the Greek ''machaira'' (a large knife), al ...

'' (Hance) T.Koyama *'' Machaerina falcata'' (Nees) T.Koyama *'' Machaerina ficticia'' (Hemsl.) T.Koyama *'' Machaerina filifolia'' Griseb. *''

Machaerina flexuosa ''Machaerina'' (twigrush) is a genus of flowering plants in the sedge family. Its species occur in tropical America, the West Indies, Malesia, Australia and the Pacific region. The name comes from the Greek ''machaira'' (a large knife), alluding ...

'' (Boeckeler) J.Kern *''

Machaerina glomerata ''Machaerina'' (twigrush) is a genus of flowering plants in the sedge family. Its species occur in tropical America, the West Indies, Malesia, Australia and the Pacific region. The name comes from the Greek ''machaira'' (a large knife), alluding ...

'' (Gaudich.) T.Koyama *''

Machaerina gunnii ''Machaerina'' (twigrush) is a genus of flowering plants in the sedge family. Its species occur in tropical America, the West Indies, Malesia, Australia and the Pacific region. The name comes from the Greek ''machaira'' (a large knife), alluding ...

'' (Hook.f.) J.Kern *''

Machaerina hirta ''Machaerina'' (twigrush) is a genus of flowering plants in the sedge family. Its species occur in tropical America, the West Indies, Malesia, Australia and the Pacific region. The name comes from the Greek ''machaira'' (a large knife), alluding ...

'' Boeckeler *''

Machaerina huttonii ''Machaerina'' (twigrush) is a genus of flowering plants in the sedge family. Its species occur in tropical America, the West Indies, Malesia, Australia and the Pacific region. The name comes from the Greek ''machaira'' (a large knife), alluding ...

'' (Kirk) T.Koyama *''

Machaerina insularis ''Machaerina insularis'' is a flowering plant in the sedge family. The specific epithet is the Latin ''insularis'' (growing on an island), alluding to its island home. Description It is a tufted perennial sedge, with erect, biconvex culms, grow ...

'' (Benth.) T.Koyama *''

Machaerina involuta ''Machaerina'' (twigrush) is a genus of flowering plants in the sedge family. Its species occur in tropical America, the West Indies, Malesia, Australia and the Pacific region. The name comes from the Greek ''machaira'' (a large knife), alluding ...

'' H.St.John *''

Machaerina iridifolia ''Machaerina'' (twigrush) is a genus of flowering plants in the sedge family. Its species occur in tropical America, the West Indies, Malesia, Australia and the Pacific region. The name comes from the Greek ''machaira'' (a large knife), alluding ...

'' (Bory) T.Koyama *''

Machaerina juncea ''Machaerina juncea'', commonly known as bare twig-rush or tussock swamp twig rush, is a sedge in the sedge family, Cyperaceae, that is native to Australia, New Zealand, and New Caledonia. Description The grass-like sedge is rhizomatous and pere ...

'' (R.Br.) T.Koyama *''

Machaerina lamii ''Machaerina'' (twigrush) is a genus of flowering plants in the sedge family. Its species occur in tropical America, the West Indies, Malesia, Australia and the Pacific region. The name comes from the Greek ''machaira'' (a large knife), alluding ...

'' (Kük.) J.Kern *''

Machaerina lavarum ''Machaerina'' (twigrush) is a genus of flowering plants in the sedge family. Its species occur in tropical America, the West Indies, Malesia, Australia and the Pacific region. The name comes from the Greek ''machaira'' (a large knife), alluding ...

'' (Poir.) Bojer *''

Machaerina laxa ''Machaerina'' (twigrush) is a genus of flowering plants in the Cyperaceae, sedge family (biology), family. Its species occur in tropical Americas, America, the West Indies, Malesia, Australia and the Pacific region. The name comes from the Greek ...

'' (Nees) T.Koyama *''

Machaerina maingayi ''Machaerina'' (twigrush) is a genus of flowering plants in the Cyperaceae, sedge family (biology), family. Its species occur in tropical Americas, America, the West Indies, Malesia, Australia and the Pacific region. The name comes from the Greek ...

'' (C.B.Clarke) T.Koyama *''

Machaerina mariscoides ''Machaerina'' (twigrush) is a genus of flowering plants in the Cyperaceae, sedge family (biology), family. Its species occur in tropical Americas, America, the West Indies, Malesia, Australia and the Pacific region. The name comes from the Greek ...

'' (Gaudich.) J.Kern *''

Machaerina milnei ''Machaerina'' (twigrush) is a genus of flowering plants in the Cyperaceae, sedge family (biology), family. Its species occur in tropical Americas, America, the West Indies, Malesia, Australia and the Pacific region. The name comes from the Greek ...

'' (C.B.Clarke) T.Koyama *''

Machaerina montana ''Machaerina'' (twigrush) is a genus of flowering plants in the Cyperaceae, sedge family (biology), family. Its species occur in tropical Americas, America, the West Indies, Malesia, Australia and the Pacific region. The name comes from the Greek ...

'' (J.Raynal) Lye *''

Machaerina monticola ''Machaerina'' (twigrush) is a genus of flowering plants in the Cyperaceae, sedge family (biology), family. Its species occur in tropical Americas, America, the West Indies, Malesia, Australia and the Pacific region. The name comes from the Greek ...

'' (Guillaumin) T.Koyama *''

Machaerina muelleri ''Machaerina'' (twigrush) is a genus of flowering plants in the Cyperaceae, sedge family (biology), family. Its species occur in tropical Americas, America, the West Indies, Malesia, Australia and the Pacific region. The name comes from the Greek ...

'' (C.B.Clarke) T.Koyama *''

Machaerina myriantha ''Machaerina'' (twigrush) is a genus of flowering plants in the Cyperaceae, sedge family (biology), family. Its species occur in tropical Americas, America, the West Indies, Malesia, Australia and the Pacific region. The name comes from the Greek ...

'' (Chun & F.C.How) Y.C.Tang *''

Machaerina nuda ''Machaerina'' (twigrush) is a genus of flowering plants in the Cyperaceae, sedge family (biology), family. Its species occur in tropical Americas, America, the West Indies, Malesia, Australia and the Pacific region. The name comes from the Greek ...

'' (Steud.) J.Kern *''

Machaerina nukuhivensis ''Machaerina'' (twigrush) is a genus of flowering plants in the Cyperaceae, sedge family (biology), family. Its species occur in tropical Americas, America, the West Indies, Malesia, Australia and the Pacific region. The name comes from the Greek ...

'' (F.Br.) T.Koyama *''

Machaerina preissii ''Machaerina'' (twigrush) is a genus of flowering plants in the Cyperaceae, sedge family (biology), family. Its species occur in tropical Americas, America, the West Indies, Malesia, Australia and the Pacific region. The name comes from the Greek ...

'' (Nees) L.A.S.Johnson & Koyama *''

Machaerina raiateensis ''Machaerina'' (twigrush) is a genus of flowering plants in the Cyperaceae, sedge family (biology), family. Its species occur in tropical Americas, America, the West Indies, Malesia, Australia and the Pacific region. The name comes from the Greek ...

'' (J.W.Moore) S.L.Welsh *''

Machaerina restioides ''Machaerina'' (twigrush) is a genus of flowering plants in the Cyperaceae, sedge family (biology), family. Its species occur in tropical Americas, America, the West Indies, Malesia, Australia and the Pacific region. The name comes from the Greek ...

'' (Sw.) Vahl *''

Machaerina riparia ''Machaerina'' (twigrush) is a genus of flowering plants in the sedge family. Its species occur in tropical America, the West Indies, Malesia, Australia and the Pacific region. The name comes from the Greek ''machaira'' (a large knife), alluding ...

'' (Nees) T.Koyama *''

Machaerina rubiginosa ''Machaerina rubiginosa'', commonly known as soft twig rush, flat leaf twig rush or common twig rush, is a flowering plant in the sedge family, Cyperaceae, that is native to Asia and the Pacific. Description The robust grass-like sedge is rhizom ...

'' (Spreng.) T.Koyama *''

Machaerina scirpoidea ''Machaerina'' (twigrush) is a genus of flowering plants in the sedge family. Its species occur in tropical America, the West Indies, Malesia, Australia and the Pacific region. The name comes from the Greek ''machaira'' (a large knife), alluding ...

'' (Steud.) T.Koyama *''

Machaerina sinclairii ''Machaerina'' (twigrush) is a genus of flowering plants in the sedge family. Its species occur in tropical America, the West Indies, Malesia, Australia and the Pacific region. The name comes from the Greek ''machaira'' (a large knife), alluding ...

'' (Hook.f.) T.Koyama *''

Machaerina tenax ''Machaerina'' (twigrush) is a genus of flowering plants in the sedge family. Its species occur in tropical America, the West Indies, Malesia, Australia and the Pacific region. The name comes from the Greek ''machaira'' (a large knife), alluding ...

'' (Hook.f.) T.Koyama *''

Machaerina teretifolia ''Machaerina'' (twigrush) is a genus of flowering plants in the sedge family. Its species occur in tropical America, the West Indies, Malesia, Australia and the Pacific region. The name comes from the Greek ''machaira'' (a large knife), alluding ...

'' (R.Br.) T.Koyama *''

Machaerina tetragona ''Machaerina'' (twigrush) is a genus of flowering plants in the sedge family. Its species occur in tropical America, the West Indies, Malesia, Australia and the Pacific region. The name comes from the Greek ''machaira'' (a large knife), alluding ...

'' (Labill.) T.Koyama *''

Machaerina vaginalis ''Machaerina'' (twigrush) is a genus of flowering plants in the sedge family. Its species occur in tropical America, the West Indies, Malesia, Australia and the Pacific region. The name comes from the Greek ''machaira'' (a large knife), alluding ...

'' (Benth.) T.Koyama

References

Cyperaceae genera {{Cyperaceae-stub