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Cladus: Eukaryota
Regnum: Plantae
Divisio: Magnoliophyta
Classis: Liliopsida
Subclassis: Liliidae
Ordo: Asparagales
Familia: Iridaceae
Subfamilia: Iridoideae
Tribus: Tigridieae
Genus: Calydorea
Species: C. alba - C. amabilis - C. approximata - C. azurea - C. basaltica - C. bifida - C. campestris - C. chilensis - C. cipuroides - C. crocoides - C. gardneri - C. longipes - C. longispatha - C. luteola - C. mexicana - C. minima - C. nuda - C. pallens - C. undulata - C. venezolensis - C. xyphioides


Calydorea Herb., 1843.

Typus: C. speciosa (Hook.) Herb. = C. xyphioides (Poepp.) Espinosa


Botherbe Steud. ex Klatt, Linnaea 31: 562. 1862.
Catila Ravenna, Nordic J. Bot. 3: 197. 1983.
Itysa Ravenna, Nordic J. Bot. 6: 582. 1986.
Roterbe Klatt, Fl. Bras. (Martius) 3(1): 543. 1871, orth. var.
Tamia Ravenna, Onira 6: 16. 2001.


Govaerts, R. & al. 2011. World Checklist of selected plant families. The Board of Trustees of the Royal Botanic Gardens. Published on internet. Accessed: 2011 Feb 15.
Herbert, W. 1843. Edwards's Bot. Reg. 29. (Misc.): 85.

Calydorea is a small genus of perennial, herbaceous and bulbous plants in the iris family (Iridaceae) which is distributed in America. The genus includes small plants, with tunicated bulbs, perfect flowers with three free stamens and tepals in white, yellow, violet or light blue colors, depending on the species. Calydorea includes about 20 species which are distributed from Southern United States to Chile and Argentina. Taxonomists considered that the already known genera Salpingostylis (endemic from Florida), Cardiostigma (from Mexico), Catila (from Brazil) and Itysa (from Venezuela) are not enough different from each other to justify their taxonomic segregation and, for this reason, all of them are now included in Calydorea. [2]

The genus name is derived from the Greek words caly, meaning "sheathed", and dorea, meaning "spear".[3]


Herbs, perennial, from tunicate, ovoid bulbs; tunic brown, dry, brittle, papery. Stems simple or branched. Leaves few, basal larger; blade pleated, linear-lanceolate. Inflorescences rhipidiate, few-flowered; spathes green, unequal, outer shorter than inner, apex usually brown, acute, dry. Flowers short-lived, erect, actinomorphic; tepals spreading from base, distinct, blue to mauve, more or less equal [outer whorl considerably larger than inner]. The fruit is an ovoid to oblong capsule, cartilaginous, apex truncate. Seeds many, prismatic; seed coat brown. The basic chromosome number is x = 7.[4]

List of species

The list of species of Calydorea and their geographic distribution is given below:[5]

Calydorea alba Roitman & A.Castillo, Bol. Soc. Argent. Bot. 40: 311 (2005). Uruguay.
Calydorea amabilis (Ravenna) Goldblatt & Henrich, Ann. Missouri Bot. Gard. 78: 511 (1991). Southern Brazil to North Eastern Argentina. (Syn.: Catila amabilis Ravenna)
Calydorea approximata R.C.Foster, Contr. Gray Herb. 155: 46 (1945). Bolivia to North Eastern Argentina.
Calydorea azurea Klatt, Abh. Naturf. Ges. Halle 15: 387 (1882). Bolivia to Uruguay.
Calydorea basaltica Ravenna, Onira 10: 40 (2005). Brazil (Paraná).
Calydorea bifida Ravenna, Onira 9: 23 (2003). Chile (Maule).
Calydorea campestris (Klatt) Baker, J. Bot. 14: 187 (1876). Brazil to Bolivia.
Calydorea chilensis Muñoz-Schick, Gayana, Bot. 60: 104 (2003). Chile (Maule).
Calydorea cipuroides Klatt, Abh. Naturf. Ges. Halle 15: 387 (1882). Colombia to Venezuela.
Calydorea crocoides Ravenna, Bol. Soc. Argent. Bot. 10: 311 (1965). South Eastern and Southern Brazil.
Calydorea gardneri Baker, J. Bot. 14: 188 (1876). Brazil (Piauí, Mato Grosso).
Calydorea longipes Ravenna, Onira 10: 41 (2005). Brazil (Paraná).
Calydorea longispatha (Herb.) Baker, J. Bot. 14: 188 (1876). Central and South Western Mexico.
Calydorea luteola (Klatt) Baker, J. Bot. 14: 188 (1876). S. Brazil.
Calydorea mexicana (R.C.Foster) Goldblatt & Henrich, Ann. Missouri Bot. Gard. 78: 510 (1991). Mexico (Mexico State).
Calydorea minima Roitman & J.A.Castillo, Bol. Soc. Argent. Bot. 42: 321 (2007). Paraguay to Argentina (Corrientes Province).
Calydorea nuda (Herb.) Baker, J. Bot. 14: 188 (1876). Uruguay.
Calydorea pallens Griseb., Abh. Königl. Ges. Wiss. Göttingen 24: 324 (1879). Northern Argentina.
Calydorea undulata Ravenna, Onira 6: 14 (2001). Argentina (Córdoba).
Calydorea venezolensis (Ravenna) Goldblatt & Henrich, Ann. Missouri Bot. Gard. 78: 511 (1991). Venezuela. (syn.: Itysa venezolensis Ravenna)
Calydorea xyphioides (Poepp.) Espinosa, Revista Chilena Hist. Nat. 26: 18 (1922). Central Chile.


^ Edwards's Bot. Reg. 29: 85 (1843).
^ Goldblatt, P. & J.E. Henrich. 1991. Calydorea Herbert (Iridaceae-Tigridieae): Notes on this New World genus and reduction to synonymy of Salpingostylis, Cardiostigma, Itysa and Catila. Annals of the Missouri Botanical Garden 78: 504-511
^ Manning, John; Goldblatt, Peter (2008). The Iris Family: Natural History & Classification. Portland, Oregon: Timber Press. pp. 233–35. ISBN 0-88192-897-6.
^ Goldblatt, P. Calydorea Flora of North America 26:17. Accessed 5-20-2009
^ Royal Horticultural Society, Kew. A detailed checklist for genus Calydorea .


Goldblatt, P. & J.E. Henrich. 1991. Calydorea Herbert (Iridaceae-Tigridieae): Notes on this New World genus and reduction to synonymy of Salpingostylis, Cardiostigma, Itysa and Catila. Annals of the Missouri Botanical Garden 78: 504-511
Muñoz-Schick, M. Tres nuevas Monocotiledóneas descubiertas en Chile: Alstroemeria mollensis M.Muñoz et A.Brinck (Alstroemeriaceae), Miersia chilensis var. bicolor M.Muñoz (Gilliesiaceae) y Calydorea chilensis M.Muñoz (Iridaceae). Gayana Bot., 2003, vol.60, no.2, p.101-106.
Roitman, G. & Castillo, A. Calydorea alba (Iridaceae, Tigrideae), a new species from Uruguay. Boletín Sociedad Argentina Botánica. 40 (3-4) 2005.

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