Amorphophallus titanum (Becc.) Becc.

Titan arum (en)

Species

Angiosperms > Alismatales > Araceae > Amorphophallus

Characteristics

A plant which can grow to 6 m tall and spread to 5 m wide. The tuber is round and 65 cm across. It does not have side tubers. The leaves are single. There is a smooth dark green leaf stalk. It has pale green spots. The leaf can be 7 m across. The leaflets are pointed and 40 cm long by 13 cm wide. The flower stalk is 30-70 cm long. The bract around the flower is bell shaped and fluted. It can be 40-1.5 cm long and 1.5 m wide. The outer surface is pale green and the inside rich dark red. The flower is very large and has a very strong bad smell. The flower can be 1 m across and 2 m high.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality monoecy
Pollination -
Spread -
Mature width (meter) 5.0
Mature height (meter) 5.25 - 5.5
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

A tropical plant. It grows in Sumatra in Indonesia. It grows up to 1,200 m altitude. It prefers rich moist well drained soils. It is drought and frost tender. It is best with an alkaline pH. It suits hardiness zones 10-12.
Light 4-6
Soil humidity 5-7
Soil texture 1-2
Soil acidity -
Soil nutriment -
Hardiness (USDA) 10-11

Usage

Uses environmental use
Edible tubers
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Plants can be grown from seed. They need to be sown fresh after removing the pulp of the berry. It can be grown from offsets of the tuber and by leaf cuttings.
Mode seedlings
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) 1
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Amorphophallus titanum unspecified picture

Conservation status

Amorphophallus titanum threat status: Endangered

Identifiers

LSID urn:lsid:ipni.org:names:84456-1
WFO ID wfo-0000965822
COL ID CXLG
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Conophallus titanum Amorphophallus selebicus Amorphophallus titanum