Cynoglossum coeruleum (PROTA) - Revision history

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2014-11-27T17:45:36Z

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	<big>''[[Cynoglossum coeruleum]]'' A.DC.</big>		<big>''[[Cynoglossum coeruleum]]'' A.DC.</big>

	__NOTOC__		__NOTOC__


	{{DISPLAYTITLE:''Cynoglossum coeruleum'' (PROTA)}}		{{DISPLAYTITLE:''Cynoglossum coeruleum'' (PROTA)}}

	:Protologue: Prodr. 10: 148 (1846).		:Protologue: Prodr. 10: 148 (1846).

	:Family: Boraginaceae		:Family: Boraginaceae

	:Chromosome number: ~~2''n''~~ = 24		:Chromosome number: 2n = 24

	== Synonyms ==		== Synonyms ==

	''Cynoglossum geometricum'' Baker & C.H.Wright (1905).		*''Cynoglossum geometricum'' Baker & C.H.Wright (1905).

	~~== Vernacular names ==~~



	== Origin and geographic distribution ==		== Origin and geographic distribution ==
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	No specific analyses of the properties of ''Cynoglossum coeruleum'' are known. Several other ''Cynoglossum'' species are highly toxic for horses and cattle, mainly during the rosette stage, due to the presence of pyrrolizidine alkaloids. Two pyrrolizidine alkaloids have been recorded from another African species, ''Cynoglossum lanceolatum'' Forssk.: cynaustraline and cynaustine, and five from the Asian and American ''Cynoglossum amabile'' Stapf & J.R.Drumm.: supinine, amabiline, rinderine, echinatine and 3’-O-acetylechinatine. ''Cynoglossum officinale'' L., a native of Europe and western temperate Asia and an introduced weed in the United States, is by far the most comprehensively studied species of the genus.		No specific analyses of the properties of ''Cynoglossum coeruleum'' are known. Several other ''Cynoglossum'' species are highly toxic for horses and cattle, mainly during the rosette stage, due to the presence of pyrrolizidine alkaloids. Two pyrrolizidine alkaloids have been recorded from another African species, ''Cynoglossum lanceolatum'' Forssk.: cynaustraline and cynaustine, and five from the Asian and American ''Cynoglossum amabile'' Stapf & J.R.Drumm.: supinine, amabiline, rinderine, echinatine and 3’-O-acetylechinatine. ''Cynoglossum officinale'' L., a native of Europe and western temperate Asia and an introduced weed in the United States, is by far the most comprehensively studied species of the genus.

	== ~~Botany~~ ==		== Description ==

	Perennial, biennial or annual herb up to 120 cm tall, very densely hairy on young parts, usually with thick woody taproot. Leaves alternate, simple and entire; stipules absent; petiole 2–10 cm long in basal leaves, upper leaves sessile; blade narrowly ovate, elliptical-oblong, linear-oblong or oblanceolate, basal ones 8–21(–30) cm × 1–6 cm, rough with short adpressed hairs from white cystolith dots, apex acute. Inflorescence an axillary or terminal scorpioid cyme, simple, dichasial or trifid, without bracts. Flowers bisexual, regular, 5-merous; corolla blue or pinkish mauve, tube c. 2 mm long. Fruit consisting of 4 compressed ovoid nutlets, (2.5–)3.5–4 mm long, reddish, covered all over by barbed hairs.		Perennial, biennial or annual herb up to 120 cm tall, very densely hairy on young parts, usually with thick woody taproot. Leaves alternate, simple and entire; stipules absent; petiole 2–10 cm long in basal leaves, upper leaves sessile; blade narrowly ovate, elliptical-oblong, linear-oblong or oblanceolate, basal ones 8–21(–30) cm × 1–6 cm, rough with short adpressed hairs from white cystolith dots, apex acute. Inflorescence an axillary or terminal scorpioid cyme, simple, dichasial or trifid, without bracts. Flowers bisexual, regular, 5-merous; corolla blue or pinkish mauve, tube c. 2 mm long. Fruit consisting of 4 compressed ovoid nutlets, (2.5–)3.5–4 mm long, reddish, covered all over by barbed hairs.

	''Cynoglossum'' comprises about 50 species, and has a worldwide distribution. ''Cynoglossum coeruleum'' is variable and several subspecies are distinguished. Intermediates between ''Cynoglossum coeruleum'' and ''Cynoglossum lanceolatum'' occur, making a distinction between species complicated. ''Cynoglossum lanceolatum'' is used in Ethiopia as a febrifuge and leaves are added to soup in Nigeria. In Vietnam, it is considered diuretic. ''Cynoglossum monophlebium'' Baker is an endemic of Madagascar and is used as an antirheumatic. ''Cynoglossum amabile'' has been introduced in East Africa as an ornamental and has become naturalized in parts of Tanzania. It is used in traditional Chinese medicine to treat cough, scrofula and to stop bleeding of wounds.		== Other botanical information ==

			''Cynoglossum'' comprises about 50 species, and has a worldwide distribution. ''Cynoglossum coeruleum'' is variable and several subspecies are distinguished. Intermediates between ''Cynoglossum coeruleum'' and ''Cynoglossum lanceolatum'' occur, making a distinction between species complicated.

	== ~~Description~~ ==		=== ''Cynoglossum lanceolatum'' ===
			''[[Cynoglossum lanceolatum]]'' is used in Ethiopia as a febrifuge and leaves are added to soup in Nigeria. In Vietnam, it is considered diuretic.

			=== ''Cynoglossum monophlebium'' ===
			''[[Cynoglossum monophlebium]]'' Baker is an endemic of Madagascar and is used as an antirheumatic.

			=== ''Cynoglossum amabile'' ===
			''[[Cynoglossum amabile]]'' has been introduced in East Africa as an ornamental and has become naturalized in parts of Tanzania. It is used in traditional Chinese medicine to treat cough, scrofula and to stop bleeding of wounds.

	== Ecology ==		== Ecology ==
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	== Author(s) ==		== Author(s) ==

	* C.H. Bosch		* C.H. Bosch, PROTA Network Office Europe, Wageningen University, P.O. Box 341, 6700 AH Wageningen, Netherlands

	PROTA Network Office Europe, Wageningen University, P.O. Box 341, 6700 AH Wageningen, Netherlands

	== Correct citation of this article ==		== Correct citation of this article ==

	Bosch, C.H., 2006. '''Cynoglossum coeruleum''' DC. ~~[Internet] Record from PROTA4U.~~ Schmelzer, G.H. & Gurib-Fakim, A. (Editors). PROTA (Plant Resources of Tropical Africa / Ressources végétales de l’Afrique tropicale), Wageningen, Netherlands. ~~<http://www.prota4u.org/search.asp>.~~		Bosch, C.H., 2006. '''Cynoglossum coeruleum''' DC. In: Schmelzer, G.H. & Gurib-Fakim, A. (Editors). PROTA (Plant Resources of Tropical Africa / Ressources végétales de l’Afrique tropicale), Wageningen, Netherlands. Accessed {{CURRENTDAY}} {{CURRENTMONTHNAME}} {{CURRENTYEAR}}.

	Accessed {{CURRENTDAY}} {{CURRENTMONTHNAME}} {{CURRENTYEAR}}.


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	[[Category:PROTA ~~prov~~]]		[[Category:PROTA]]
			[[Category:Medicinal plants (PROTA)]]

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			<big>''[[Cynoglossum coeruleum]]'' A.DC.</big>

	__NOTOC__		__NOTOC__
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	:Protologue: Prodr. 10: 148 (1846).		:Protologue: Prodr. 10: 148 (1846).

	:Family: Boraginaceae		:Family: Boraginaceae

	:Chromosome number: 2''n'' = 24		:Chromosome number: 2''n'' = 24
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	== Correct citation of this article ==		== Correct citation of this article ==

	Bosch, C.H., 2006. '''Cynoglossum coeruleum''' DC. [Internet] Record from PROTA4U. Schmelzer, G.H. & Gurib-Fakim, A. (Editors). PROTA (Plant Resources of Tropical Africa / Ressources végétales de l’Afrique tropicale), Wageningen, Netherlands. <http://www.prota4u.org/search.asp>.		Bosch, C.H., 2006. '''Cynoglossum coeruleum''' DC. [Internet] Record from PROTA4U. Schmelzer, G.H. & Gurib-Fakim, A. (Editors). PROTA (Plant Resources of Tropical Africa / Ressources végétales de l’Afrique tropicale), Wageningen, Netherlands. <http://www.prota4u.org/search.asp>.

	Accessed {{CURRENTDAY}} {{CURRENTMONTHNAME}} {{CURRENTYEAR}}.		Accessed {{CURRENTDAY}} {{CURRENTMONTHNAME}} {{CURRENTYEAR}}.

WikiSysop: Created page with "''Cynoglossum coeruleum'' A.DC. {{PROTAUpperbar}} {{PROTA Starbox | General importance= 2 | Geographic coverage Africa= 3 | Geographic coverage World= 1 | Forag..."

2014-06-25T14:44:39Z

Created page with "<big>''Cynoglossum coeruleum'' A.DC.</big> {{PROTAUpperbar}} {{PROTA Starbox | General importance= 2 | Geographic coverage Africa= 3 | Geographic coverage World= 1 | Forag..."

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<big>''[[Cynoglossum coeruleum]]'' A.DC.</big>
{{PROTAUpperbar}}
{{PROTA Starbox
| General importance= 2
| Geographic coverage Africa= 3
| Geographic coverage World= 1
| Forage / feed= 1
| Medicinal= 2
}}

__NOTOC__

{{DISPLAYTITLE:''Cynoglossum coeruleum'' (PROTA)}}

:Protologue: Prodr. 10: 148 (1846).

:Family: Boraginaceae

:Chromosome number: 2''n'' = 24

== Synonyms ==

''Cynoglossum geometricum'' Baker & C.H.Wright (1905).

== Vernacular names ==

== Origin and geographic distribution ==

''Cynoglossum coeruleum'' is fairly widespread in Central, East and southern Africa.

== Uses ==

In Kenya the vapour of crushed leaves of ''Cynoglossum coeruleum'' is inhaled to treat fever and influenza and crushed leaves are rubbed on scorpion sting wounds. A decoction of the leaves is drunk during delivery for quick removal of the placenta. A decoction made from pounded and soaked roots is drunk by pregnant women to relieve abdominal pain. In southern Africa the crushed plants are applied to wounds as a plaster and the whole plant is used as a medicine for colic. In DR Congo it is used as a vermifuge specifically against tapeworm. In Kenya it is reportedly grazed by livestock.

== Properties ==

Pyrrolizidine alkaloids are common constituents of the ''Boraginaceae'' and ''Asteraceae'' and the Papilionoid genus ''Crotalaria''. They are derived from amino acids including ornithine. Many pyrrolizidine alkaloids have pronounced hepatic toxicity, but the lungs and other organs may be affected as well. Mutagenic and carcinogenic activities of pyrrolizidine alkaloids have been reported.

No specific analyses of the properties of ''Cynoglossum coeruleum'' are known. Several other ''Cynoglossum'' species are highly toxic for horses and cattle, mainly during the rosette stage, due to the presence of pyrrolizidine alkaloids. Two pyrrolizidine alkaloids have been recorded from another African species, ''Cynoglossum lanceolatum'' Forssk.: cynaustraline and cynaustine, and five from the Asian and American ''Cynoglossum amabile'' Stapf & J.R.Drumm.: supinine, amabiline, rinderine, echinatine and 3’-O-acetylechinatine. ''Cynoglossum officinale'' L., a native of Europe and western temperate Asia and an introduced weed in the United States, is by far the most comprehensively studied species of the genus.

== Botany ==

Perennial, biennial or annual herb up to 120 cm tall, very densely hairy on young parts, usually with thick woody taproot. Leaves alternate, simple and entire; stipules absent; petiole 2–10 cm long in basal leaves, upper leaves sessile; blade narrowly ovate, elliptical-oblong, linear-oblong or oblanceolate, basal ones 8–21(–30) cm × 1–6 cm, rough with short adpressed hairs from white cystolith dots, apex acute. Inflorescence an axillary or terminal scorpioid cyme, simple, dichasial or trifid, without bracts. Flowers bisexual, regular, 5-merous; corolla blue or pinkish mauve, tube c. 2 mm long. Fruit consisting of 4 compressed ovoid nutlets, (2.5–)3.5–4 mm long, reddish, covered all over by barbed hairs.

''Cynoglossum'' comprises about 50 species, and has a worldwide distribution. ''Cynoglossum coeruleum'' is variable and several subspecies are distinguished. Intermediates between ''Cynoglossum coeruleum'' and ''Cynoglossum lanceolatum'' occur, making a distinction between species complicated. ''Cynoglossum lanceolatum'' is used in Ethiopia as a febrifuge and leaves are added to soup in Nigeria. In Vietnam, it is considered diuretic. ''Cynoglossum monophlebium'' Baker is an endemic of Madagascar and is used as an antirheumatic. ''Cynoglossum amabile'' has been introduced in East Africa as an ornamental and has become naturalized in parts of Tanzania. It is used in traditional Chinese medicine to treat cough, scrofula and to stop bleeding of wounds.

== Description ==

== Ecology ==

''Cynoglossum coeruleum'' occurs in a wide variety of habitats such as (overgrazed) grassland, bushland, evergreen forest and as a weed in fields at 750–3150(–3650) m altitude.

== Genetic resources ==

Germplasm collections of ''Cynoglossum'' do not exist. This fairly widespread species of various habitats is not threatened by genetic erosion.

== Prospects ==

Little is known about the properties of ''Cynoglossum coeruleum''. Studies of related species report interesting properties, e.g. wound healing and antibacterial activities. Research on these aspects in Africa is desirable, and might enhance the medicinal importance in the region. Improvements in the taxonomic classification are considered only possible after detailed study of the taxa in both Africa and India.

== Major references ==

* Burkill, H.M., 1985. The useful plants of West Tropical Africa. 2nd Edition. Volume 1, Families A–D. Royal Botanic Gardens, Kew, Richmond, United Kingdom. 960 pp.

* Giday, M., Asfaw, Z., Elmqvist, T. & Woldu, Z., 2003. An ethnobotanical study of medicinal plants used by the Zay people in Ethiopia. Journal of Ethnopharmacology 85: 43–52.

* Lugt, Ch.B. & Lemmens, R.H.M.J., 2003. Cynoglossum L. In: Lemmens, R.H.M.J. & Bunyapraphatsara, N. (Editors). Plant Resources of South-East Asia No 12(3). Medicinal and poisonous plants 3. Backhuys Publishers, Leiden, Netherlands. pp. 148–150.

* van Dam, N.M., Verpoorte, R. & van der Meijden, E., 1994. Extreme differences in pyrrolizidine alkaloid levels between leaves of Cynoglossum officinale L. Phytochemistry 37(4): 1013–1016.

* Verdcourt, B., 1991. Boraginaceae. In: Polhill, R.M. (Editor). Flora of Tropical East Africa. A.A. Balkema, Rotterdam, Netherlands. 125 pp.

== Other references ==

* Boiteau, P. & Allorge-Boiteau, L., 1993. Plantes médicinales de Madagascar. Agence de Coopération Culturelle et Technique, Paris, France. 135 pp.

* Chifundera, K., 2001. Contribution to the inventory of medicinal plants from the Bushi area, South Kivu Province, Democratic Republic of Congo. Fitoterapia 72: 351–368.

* Iwu, M.M., 1993. Handbook of African medicinal plants. CRC Press, Boca Raton, Florida, United States. 464 pp.

* Jansen, P.C.M., 1981. Spices, condiments and medicinal plants in Ethiopia, their taxonomy and agricultural significance. Agricultural Research Reports 906. Centre for Agricultural Publishing and Documentation, Wageningen, Netherlands. 327 pp.

* Kokwaro, J.O., 1993. Medicinal plants of East Africa. 2nd Edition. Kenya Literature Bureau, Nairobi, Kenya. 401 pp.

* Suri, K.A., Sawhney, R.S. & Atal, C.K., 1975. Pyrrolizidine alkaloids from Cynoglossum lanceolatum, C. glochidiatum and Lindelofia angustifolia. Indian Journal of Pharmacy 37(3): 69–70.

* Taton, A., 1971. Boraginaceae. In: Flore du Congo, du Ruanda et du Burundi. Spermatophytes. Jardin botanique national de Belgique, Brussels, Belgium. 82 pp.

== Author(s) ==

* C.H. Bosch

PROTA Network Office Europe, Wageningen University, P.O. Box 341, 6700 AH Wageningen, Netherlands

== Correct citation of this article ==

Bosch, C.H., 2006. '''Cynoglossum coeruleum''' DC. [Internet] Record from PROTA4U. Schmelzer, G.H. & Gurib-Fakim, A. (Editors). PROTA (Plant Resources of Tropical Africa / Ressources végétales de l’Afrique tropicale), Wageningen, Netherlands. <http://www.prota4u.org/search.asp>.

Accessed {{CURRENTDAY}} {{CURRENTMONTHNAME}} {{CURRENTYEAR}}.

* See the [http://www.prota4u.org/protav8.asp?en=1&p=Cynoglossum+coeruleum+A.DC. Prota4U] database.

[[fr:{{PAGENAME}}]]
[[Category:PROTA prov]]