Sechium

Sechium
	Chayote - ( Sechium edule ) planting
Systematics
	Eurosiden I
Order :	Pumpkin-like (Cucurbitales)
Family :	Pumpkin family (Cucurbitaceae)
Tribe :	Sicyeae
Sub tribus :	Sicyinae
Genre :	Sechium
Scientific name
	Sechium
	P. Brownne

Sechium form a genus in the family of the Cucurbitaceae (Cucurbitaceae). The plants produce fleshy fruits. All wild species grow in Mexico or Central America . The chayote ( Sechium edule ) iscultivatedin large parts of the subtropics and tropics .

Systematics

The genus Sechium includes about eleven species , the classification of which has changed repeatedly over the past few decades. Studies of the 1990s consistently divide the genus into two sections, Sechium and Frantzia . The two sections differ in the morphology of the floral nectaries and the arrangement of the stamens .

Sechium venosum

Systematics of the genus *Sechium* according to ( Lit .: Jeffrey et al. 1990)
Section of the Sechium	Section Frantzia (Pittier) C.Jeffrey
Sechium compositum (JDSmith) C. Jeffrey Sechium chinantlense Lira & Chiang Sechium edule (Jacq.) Swartz , known as Chayote Sechium edule ssp. edule : Cultivated form that is grown in America, Africa and Asia. The plant was known to the Aztecs and Mayans before the colonization by the Spanish and Portuguese and was cultivated by them. Sechium edule ssp. sylvestre Lira & J.Castrejón : Wild form, distribution in southern Mexico Sechium hintonii (PGWilson) C. Jeffrey Sechium tacaco (Pittier) C.Jeffrey :The only cultivated speciesbesides the Sechium edule . Costa Rica is cultivated. Sechium talamancense (Wunderlin) C.Jeffrey	Sechium panamense (Wunderlin) Lira & Chiang Sechium pittieri (Cogn.) C.Jeffrey Sechium venosum (LDGómez) Lira & Chiang Sechium villosum (Wunderlin) C. Jeffrey

literature

C. Jeffrey, DM Bates, RW Robinson (eds.): Biology and Utilization of the Cucurbitaceae. Cornell University Press, Ithaca, 1990. (Eng.)

Individual evidence

↑ ^a ^b Rafael Lira Saade, 1996. Chayote Sechium edule (Jacq.) Sw. Promoting the conservation and use of underutilized and neglected crops. 8. Institute of Plant Genetics and Crop Plant Research, Gatersleben / International Plant Genetic Resources Institute, Rome. ISBN 92-9043-298-5 available online as PDF: Saade 1996 ( Memento of February 25, 2009 in the Internet Archive ) (PDF, 831 kB, engl.)

Web links

Commons : Sechium - collection of images, videos and audio files

[neglectedfruits-1] Rafael Lira Saade, 1996. Chayote Sechium edule (Jacq.) Sw. Promoting the conservation and use of underutilized and neglected crops. 8. Institute of Plant Genetics and Crop Plant Research, Gatersleben / International Plant Genetic Resources Institute, Rome. ISBN 92-9043-298-5 available online as PDF: Saade 1996 ( Memento of February 25, 2009 in the Internet Archive ) (PDF, 831 kB, engl.)