Syzygium guineense Dc.

Species

Angiosperms > Myrtales > Myrtaceae > Syzygium

Characteristics

It is a medium sized evergreen tree. It grows 15-30 m tall. This tree varies a lot. The trunk is broad and fluted. The bark is rough, greyish white and flaky. It produces a red watery sap if cut. The young branches are four sided. The branches tend to hang over. The leaves are simple and opposite one another along the stem. They are shiny, dark green and leathery. Underneath the leaves is paler green. Young leaves are purple red. Leaves are 5-16 cm long by 1.3-7 cm across. The leaf stalk is about 1 cm long. The leaves do not have as many side veins as Syzygium gerrardii. The flowers are white. They have a honey sweet scent. The flowers occur in clusters at the ends of branches. Clusters can be 10 cm across. The fruit are oval and 2-3 cm long. They are whitish green when young and turn dark purple when ripe. Clumps of 20-30 fruit occur together. The fruit contains one large seed. The seed is 1.4 cm across. The fruit is edible. There are about 10 subspecies.
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Trees, shrubs or pyrophytic subshrubs 0.2–30 m tall with smooth or rough bark; sometimes buttressed; young branches ± terete or somewhat 4-angled, mostly only strongly 4-angled in hybrids with S. cordatum.. Leaves elliptic, oblong-elliptic or elliptic-lanceolate to obovate-elliptic, (3–)4–16 cm long, 1–7.7 cm wide, acute to acuminate to broadly rounded, subtruncate or even emarginate at the apex, cuneate at the base; petiole 0.6–2.5(–4.5) cm long.. Inflorescence short to extensive, 5–19 cm long.. Calyx-tube with pseudopedicels usually distinct.. Filaments 3.5–9 mm long.. Fruits variously red or purple, subglobose or ellipsoid, 0.8–3.5 cm long, 0.6–2.5 cm wide.
Leaf-lamina 4 x 2–14 x 7 cm., very variable in shape, broadest at or near the middle, apex obtuse to acuminate, base cuneate; petiole 0·2–2·2 cm. long.
Receptacle (including pseudopedicel) + calyx 0·35–0·65 cm. long; calyx +upper receptacle 0·15–0·25 cm. long; filaments 0·35–0·9 cm. long.
Small or medium-sized (elsewhere a large) evergreen tree or a suffrutex.
Fruit subglobose or ellipsoid, 1·3–3·5 x 1·2–2·5 cm.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination entomogamy
Spread -
Mature width (meter) 0.31
Mature height (meter) 10.0 - 25.0
Root system -
Rooting depth (meter) 2.0
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

A tropical plant. It occurs in most of Africa. It grows from sea level to 1350 m in Tanzania and up to 2,100 m in Uganda. It requires plenty of water. It grows in areas with annual rainfalls of 743 mm to 2340 mm but in the drier areas relies on underground water. It occurs in areas with temperatures between 16°C and 30°C. It grows on a range of soils. It commonly occurs in rainforest or swamp forest. It suits humid locations. Seedlings need adequate light. It can grow in arid places.
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Found in a very wide variety of habitats and elevations including sea shores, savannah, river banks and forests of various types at elevations from sea level to 2,100 metres. Usually found in moist conditions, sometimes even in water.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-12

Usage

The ripe fruit is eaten raw. They are also used for drinks. They are used in relishes and chutneys. The bark is used for tea. The roots are eaten.
Uses animal food bee plant charcoal dye environmental use food fuel gene source invertebrate food material medicinal ornamental poison tea timber vertebrate poison wood
Edible barks fruits leaves roots seeds
Therapeutic use Edema (unspecified)
Human toxicity -
Animal toxicity -

Cultivation

Plants are grown from fresh seed. Seed need to be sown within 24 hours. Seed germination is good and seeds grow within 25 days. Seeds can be sown into pots then relocated into the field. (There are 2,400-3,700 seeds per kg. )
Mode seedlings suckers
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) 15 - 30
Size -
Vigor -
Productivity -

Images

Habit

Syzygium guineense habit picture by susan brown (cc-by-sa)

Leaf

Syzygium guineense leaf picture by Garth Burmeister (cc-by-sa)
Syzygium guineense leaf picture by Abinala Shonga (cc-by-sa)

Fruit

Syzygium guineense fruit picture by susan brown (cc-by-sa)

Distribution

Syzygium guineense world distribution map, present in Angola, Burundi, Benin, Burkina Faso, Botswana, Central African Republic, Côte d'Ivoire, Cameroon, Congo, Djibouti, Eritrea, Ethiopia, Gabon, Ghana, Guinea, Gambia, Equatorial Guinea, Kenya, Liberia, Mali, Mozambique, Malawi, Mayotte, Niger, Nigeria, Rwanda, Saudi Arabia, Sudan, Senegal, Sierra Leone, South Sudan, Sao Tome and Principe, eSwatini, Chad, Togo, Tanzania, United Republic of, Yemen, South Africa, Zambia, and Zimbabwe

Conservation status

Syzygium guineense threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:601750-1
WFO ID wfo-0000318724
COL ID 5465Z
BDTFX ID -
INPN ID 807541
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Syzygium fourcadei Eugenia fourcadei Eugenia guineensis Calyptranthes guineense Syzygium fleuryi Syzygium guineense subsp. guineense Syzygium guineense subsp. macrocarpum Syzygium guineense var. macrocarpum Syzygium guineense var. guineense Syzygium guineense Calyptranthes guineensis

Lower taxons

Syzygium guineense subsp. barotsense