by Stephen Mifsud
   25 Jul 2024      ()
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Aloe arborescens   (Krantz Aloe)

Aloe arborescens  (XANTHORRHOEACEAE.) 
Images for this profile are taken from the Maltese Islands after year 2000.

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Profile Date Jan-2008 (taxon update: none)
Citation for this page Mifsud, S. (2022). Aloe arborescens - datasheet created on Jan-2008. Retrieved from on 25-Jul-2024

Nomenclature and Basic Information

Species name :

Aloe arborescensMill.
Published in Handb. Gewächsk. ed. 2 , 3: 1591 (1830)

Synonyms :
(basionym or principal syn.)

Aloe mutabilis Pillans
Full list of synonyms : [Euro+Med] [PlantList] [IPNI] [POWO] [Catalogue of Life] []

Plant Family :

Xanthorrhoeaceae (=Liliaceae) (The Family)
6 species from the Xanthorrhoeaceae family are recorded from the Maltese Islands.

English name(s) :

Krantz Aloe

Maltese name(s) :

Maltese name not known

Status for Malta :

Naturalised Alien. Species that was introduced in Malta after year 1492 (Columbus' discovery of the New World) and spreads and integrates to form established, non-invasive populations. Species may become become invasive if it widespreads rapidly.

Frequency :

Very Common     Common    Frequent     Scarce     Rare    Very rare    Extinct

Growth form :

Raunkiaer lifeform [info]: Macro-Phanerophyte ( high trees usually over 10 m high )
Germination [info]: Monocotyledon

Legal Protection :

Not legally protected till the last update of this website (2/Mar/2022)

Red List (1989) :

Not listed in the Red Data Book of the Maltese Islands

Flowering Time :

December – February

Colour of Flowers:

Orange or Red


Not particularly toxic

Name Derivation :

Aloe: A very old name which seems to originate from the Arabic 'alloeh' or the Hebrew 'allal', both meaning bitter. Some sources also include the Greek word 'alsos', similarly referring to the bitter juice of the plant, but the arabic name was used earlier. (Arabic origin )
arborescens: Tending to be woody or having the form of a tree. (Latin origin )

Planting in rural areas :

Cannot be planted in the wild (rural areas) since the species may be invasive (see ERA guidelines)

Remarks :

According to the formula of Fr. Romano Zago, a mixture of blended leaves and honey is of great curative strength for many ailments. One teaspoon three times a day is enough for many cures. Info provided by Rev. Father Jim Morris. More info [here]

Description, Habitat and Distribution
Habitat in Europe: Naturalized from gardens on rocks, mostly near the sea
Preferred habitat in Malta: Cultivated plant sometimes a few escapee are present near the site of cultivation. Not invasive
Botanical Description: Freely-branched shrub with erect to spreading stems 1.5-3.5 m, up to 30 cm in diameter. Leaves 50-60 x 5-7 cm, dull greyish-green, patent or somewhat deflexed, crowded in terminal rosettes, the dead leaves persistent for c. 50 cm below the rosette; surface smooth, without spots; marginal teeth scarcely spinose, forwardly curved, greenish. Inflorescence c. 80 cm, simple or with one short branch. Raceme 20-30 x 10-12 cm; bracts 15-20 mm, greenish; pedicels 35-40 mm. Perianth 35-40 mm, scarlet; segments free. Stamens exceeding perianth by 3-5 mm. Naturalized
Distributional range: S.W. Europe
Native region outside Europe: (Southern Africa, northwards to Malawi.)

Distributional map in Europe
and the Mediterranean region (2018):
Occurrences in Europe.
(from Flora Europaea pre year 1993):
Introduced in  France (incl. Monaco and Channel Islands but excluding Corse), Spain (incl. Andorra but excl. the Balaerics), Portugal
Occurrences in Europe and the Mediterranean region.
(from Euro+Med Checklist, 2019)
  Country codes  
[Ag Ca Ga Hs Lu Ma Md Tn]

Links & Further literature (0 papers)

Google Web

Google Images

Google Scholar

Research Gate




Med Checklist

Cat. of Life



World Flora Online

Plants of the World Online

Vienna Virt. Herb.

RBGE Herbarium

KEW Herbarium




Kindly Email if there are papers and publications about local studies or information about this species to be included in the list above.

Species Images (11 images)
   Aloe arborescens   -   Image Code: ALOAB-0.
   Aloe arborescens   -   Image Code: ALOAB-1.
   Aloe arborescens   -   Image Code: ALOAB-2.
   Aloe arborescens   -   Image Code: ALOAB-3.
   Aloe arborescens   -   Image Code: ALOAB-4.
   Aloe arborescens   -   Image Code: ALOAB-5.
   Aloe arborescens   -   Image Code: ALOAB-6.
   Aloe arborescens   -   Image Code: ALOAB-7.
   Aloe arborescens   -   Image Code: ALOAB-8.
   Aloe arborescens   -   Image Code: ALOAB-9.
   Aloe arborescens   -   Image Code: ALOAB-10.

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