Gelidium is a genus of thalloid alga comprising 124 species. Its members are known by a number of common names.Recorded common names are tengusa, makusa, genso, niu mau tsai, japansche scheleiachtige mos, steen-or klipbloem, hay tsay, olus marinus, sajur laut, tschintschau, tschoo-hoae, onikusa, hirakusa, obusa, rødalge-slaegt, gelídeos, punalevä-suku, tokoroten, kanten, tokoro-tengusa, kinukusa, isingglass, hai-ten-gusa, tocoroten, tengusa-agar, limu lo-loa, hai-tengusa, onigusa, oyakusa, kanten weed, goumaocai, hime tengusa, shihua and tanmae. Specimens can reach around 2 to 40 cm in size. Branching is irregular, or occurs in rows on either side of the main stem. Gelidium produces tetraspores. Many of the algae in this genus are used to make agar

Agar

Agar or agar-agar is a gelatinous substance derived from a polysaccharide that accumulates in the cell walls of agarophyte red algae. Throughout history into modern times, agar has been chiefly used as an ingredient in desserts throughout Asia and also as a solid substrate to contain culture medium...

. Chaetangium is a synonym.

Species

Gelidium affine Gelidium allanii Gelidium amamiense Gelidium amansii Gelidium amansii Gelidium amansii is an economically important species of red algae commonly found in the shallow coast of many East and Southeast Asian countries. This alga is used to make agar, as well it is sometimes served as part of a salad in producing regions.... Gelidium ambiguum Gelidium americanum Gelidium anthonini Gelidium applanatum Gelidium arborescens Gelidium arenarium Gelidium asperum Gelidium australe Gelidium bernabei Gelidium bipectinatum Gelidium canariense Gelidium cantabricum Gelidium capense Gelidium caulacantheum Gelidium ceramoides Gelidium chilense Gelidium coarctatum Gelidium concinnum Gelidium congestum Gelidium corneum Gelidium coronadense Gelidium coulteri Gelidium crinale Gelidium crispum Gelidium deciduum Gelidium decompositum Gelidium delicatulum Gelidium divaricatum Gelidium elegans Gelidium elminense

Gelidium fasciculatum Gelidium filicinum Gelidium flaccidum Gelidium floridanum Gelidium foliaceum Gelidium foliosum Gelidium galapagense Gelidium hancockii Gelidium heterocladum Gelidium hommersandii Gelidium howei Gelidium hypnosum Gelidium inagakii Gelidium inflexum Gelidium intertextum Gelidium isabelae Gelidium japonicum Gelidium johnstonii Gelidium kintaroi Gelidium latiusculum Gelidium lingulatum Gelidium linoides Gelidium longipes Gelidium macnabbianum Gelidium madagascariense Gelidium maggsiae Gelidium masudae Gelidium microdentatum Gelidium microdon Gelidium microdonticum Gelidium microphyllum Gelidium microphysa Gelidium micropterum Gelidium minusculum

Gelidium multifidum Gelidium musciforme Gelidium nova-granatense Gelidium nudifrons Gelidium omanense Gelidium pacificum Gelidium planiusculum Gelidium pluma Gelidium pristoides Gelidium profundum Gelidium pseudointricatum Gelidium pteridifolium Gelidium pulchellum Gelidium pulchrum Gelidium pulvinatum Gelidium purpurascens Gelidium pusillum Gelidium reediae Gelidium refugiensis Gelidium regulare Gelidium reptans Gelidium rex Gelidium rigens Gelidium robustum Gelidium samoense Gelidium sclerophyllum Gelidium secundatum Gelidium semipinnatum Gelidium serrulatum Gelidium sinicola Gelidium spathulatum Gelidium spinosum Gelidium subfastigiatum Gelidium tenue

Gelidium tsengii Gelidium umbricola Gelidium usmanghanii Gelidium vagum Gelidium venetum Gelidium venturianum Gelidium versicolor Gelidium vietnamense Gelidium vittatum Gelidium yamadae Gelidium zollingeri

External links

• Images of Gelidium at Algaebase
  AlgaeBase
  AlgaeBase is a global species database of information on all groups of algae, as well as one group of flowering plants, the sea-grasses.AlgaeBase evolved from Michael Guiry's seaweed website, and has grown into a database of algae from throughout the world, and in freshwater, terrestrial, and...