Ambrosina

Ambrosina
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Monocots
Order:	Alismatales
Family:	Araceae
Subfamily:	Aroideae
Tribe:	Ambrosineae
Genus:	Ambrosina; Bassi
Species:	A. bassii
Binomial name
	Ambrosina bassii; L.
Synonyms[1]
	Ambrosina nervosa Lam.; Ambrosina maculata Ucria; Ambrosina reticulata Tineo; Ambrosina velutina Blume ex Heynh.; Ambrosina proboscidea T.Durand & Schinz;

Ambrosina is a genus in the family Araceae that consists of only one species, Ambrosina bassii, and the only genus in the tribe Ambrosineae. This species is the smallest aroid in the Mediterranean, growing only to 8 cm tall. It is usually found growing in woodlands on north faces of hillsides and in humus soil that is covering limestone. It is distributed in Sardinia, Corsica, Sicily, southern mainland Italy, Tunisia, and Algeria.[1][2][3]

Ambrosina bassii has oval leaves that are 3.5 to 6 cm long and resemble the leaves of many aroid seedlings. The inflorescence is 2.5 cm long bent over and has an unusual spathe. The spathe is shaped like an egg and is greenish brown with dots on it. Inside the egg shaped spathe is divided two chambers. In one chamber is contained a single female flower and in the other are 8 to 10 male flowers. The seeds are dispersed by ants that eat the elaiosomes attached to the seeds.[4]

Description

Ambrosina is the only representative of its genus and is quite unique. It has been shown that it is heterozygosity as it has an average of two-locus per alleles. The data represents that genetic variation attributes to differences among populations from different geographical territories. Also, the local anthropogenic fragmentation has caused no time for genetic drift or interbreeding to erode genetic variation, this eventually resulted in generating differences between populations.[5]

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References

Kew World Checklist of Selected Plant Families
Govaerts, R. & Frodin, D.G. (2002). World Checklist and Bibliography of Araceae (and Acoraceae): 1-560. The Board of Trustees of the Royal Botanic Gardens, Kew.
Dobignard, D. & Chatelain, C. (2010). Index synonymique de la flore d'Afrique du nord 1: 1-455. Éditions des conservatoire et jardin botaniques, Genève.
Bown, Deni (2000). Aroids: Plants of the Arum Family. Timber Press. ISBN 0-88192-485-7.
Geraci, Anna; Raimondo, Francesco Maria; Troia, Angelo (2009-12-01). "Genetic diversity and local population structure in Ambrosina bassii (Araceae, Ambrosineae), a Mediterranean relict species". Biochemical Systematics and Ecology. 37 (6): 737–746. doi:10.1016/j.bse.2009.12.002. ISSN 0305-1978.

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[danielle-1] Kew World Checklist of Selected Plant Families

[2] Govaerts, R. & Frodin, D.G. (2002). World Checklist and Bibliography of Araceae (and Acoraceae): 1-560. The Board of Trustees of the Royal Botanic Gardens, Kew.

[3] Dobignard, D. & Chatelain, C. (2010). Index synonymique de la flore d'Afrique du nord 1: 1-455. Éditions des conservatoire et jardin botaniques, Genève.

[4] Bown, Deni (2000). Aroids: Plants of the Arum Family. Timber Press. ISBN 0-88192-485-7.

[5] Geraci, Anna; Raimondo, Francesco Maria; Troia, Angelo (2009-12-01). "Genetic diversity and local population structure in Ambrosina bassii (Araceae, Ambrosineae), a Mediterranean relict species". Biochemical Systematics and Ecology. 37 (6): 737–746. doi:10.1016/j.bse.2009.12.002. ISSN 0305-1978.