MaltaWildPlants.com by Stephen Mifsud
 
     
   20 Apr 2019      ()
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Agave americana   (American Agave)


Agave americana  (ASPARAGACEAE.) 
Images for this profile are taken from the Maltese Islands at or after year 2000.

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Profile Date Oct-2010 (last update: 12-Jan-2019)
Citation for this page Mifsud, S. (Oct-2010) Agave americana retrieved from MaltaWildPlants.com on 2019-Apr-20

Nomenclature and Basic Information

Species name :

Agave americanaL.
Published in Sp. Pl. 323 (1753).

Synonyms :

Basionym or principal synonym: No Main Synonyms
Full list of synonyms : [ Euro+Med ]   [ PlantList ]   [ IPNI ]   [ Catalogue of Life ]

Plant Family :

Asparagaceae (=Liliaceae) The Asparagus Family 32 Asparagaceae species recorded from Malta.
Juss.

English name(s) :

American Agave, Century Plant, American Aloe

Maltese name(s) :

Sabbara tal-Amerika, Agave

Status for Malta :

Naturalised alien species that was introduced in Malta after year 1492 and which can become invasive

Frequency :

Very Common     Common     Frequent     Scarce     Rare     Very rare     Extinct

Growth form :

Raunkiaer lifeform [info]: Macro-Phanerophyte (High trees)
Germination [info]: Monocotyledon

Legal Protection [link]:

Not Protected by Law (LN200/2011 or LN311/2006)

Red List (1989) :

Not listed in the Red Data Book of the Maltese Islands

Flowering Time :

All Year

Colour of Flowers:

Green or Cream

Remarks :

Introduced as an ornamental plant and became invasive in several wild places namely by the coast. Examples include Bahar ic-Caghaq (near Maghtab), Ghar Lapsi and Ta' Cenc. Flowers are produced once in the plant's lifetime, after 10 to 100 years and then the plant dies. The flowering stalk is impressively large and tall and holds both seed-producing flowers (sexual reproduction) and reproductive plantlets (asexual reproduction).


Species Description and Distribution

Habitat in Europe:

Widely naturalized, mainly near the coast.

Preferred habitat in Malta:

Data will be available in the next update of this website.

Botanical Description:

Very robust, stoloniferous herb; stem scarcely developed. Leaves 1-2 m × 15-25 cm, constricted above the broad, sheathing base, glaucous, remotely spinose-dentate, with a stout, blackish terminal spine 2-3 cm long. Scape (including inflorescence) 4-7(-10) m. Peduncle 8-15 cm in diameter, woody at maturity, equal to or shorter than the panicle, bearing triangular, leaf-like bracts. Panicle pyramidal; flowers aggregated in dense clusters at the ends of horizontal branches; leafy buds sometimes present in axils of bracteoles, replacing some or all of the flowers. Flowers (including ovary) 70-90 mm; perianth-segments linear-oblong, obtuse, erect, greenish-yellow. Filaments 70-80 mm, inserted on the hypanthial tube; anthers 30-35 mm. Capsule oblong, trigonous.

Distributional range:

Mediterranean region, C. & S. Portugal and Azores.

Native region outside Europe:

(Mexico)


Distributional map in Europe
and the Mediterranean region (2018):

Occurrences in Europe.
(from Flora Europaea pre year 1993):

Introduced in Albania, the Azores, the Balaeric Islands, Corse, Crete, France (incl. Monaco and Channel Islands but excluding Corse), Greece, Spain (incl. Andorra but excl. the Balaerics), Italy (excl. Sicily and Sardignia), ex-Jugoslavia, Portugal, Sardinia, Sicily and/or Malta

Occurrences in Europe and the Mediterranean region.
(Euro+Med Checklist, 2017) - Country codes

[AE(G) Al Az Bl Ca Co Cr Ga Gr Hs It Ju Li Lu Ma Md Sa Si Tu(A)]


Images (18 images)
   Agave americana   -   Image Code: AGVAM-0.
   Agave americana   -   Image Code: AGVAM-1.
   Agave americana   -   Image Code: AGVAM-2.
   Agave americana   -   Image Code: AGVAM-3.
   Agave americana   -   Image Code: AGVAM-4.
   Agave americana   -   Image Code: AGVAM-5.
   Agave americana   -   Image Code: AGVAM-6.
   Agave americana   -   Image Code: AGVAM-7.
   Agave americana   -   Image Code: AGVAM-8.
   Agave americana   -   Image Code: AGVAM-9.
   Agave americana   -   Image Code: AGVAM-10.
   Agave americana   -   Image Code: AGVAM-11.
   Agave americana   -   Image Code: AGVAM-12.
   Agave americana   -   Image Code: AGVAM-13.
   Agave americana   -   Image Code: AGVAM-14.
   Agave americana   -   Image Code: AGVAM-15.
   Agave americana   -   Image Code: AGVAM-16.
   Agave americana   -   Image Code: AGVAM-17.

Links & Further info

Google Web

Google Images

Yahoo Web

Yahoo Images

Wikipedia

JSTOR

GBIF

Med Checklist

Cat. of Life

EoL

IPNI

The Plant List

NYBG

Vienna Virt. Hb.

RBGE

KEW

MNHN

Arkive


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