Grewia arborea
| Grewia arborea | |
|---|---|
| Scientific name | Grewia arborea |
| Genus | Grewia |
| Family | Malvaceae |
| Order | Malvales |
| Habit | Deciduous shrub or small tree |
| Native range | Eastern Africa to Arabia and the Indian Subcontinent |
Grewia arborea is accepted by GBIF as a species in the genus Grewia.[1] It is a deciduous shrub or small tree of seasonally dry tropical habitats. It occurs from Ethiopia and Mozambique through the south-west Arabian Peninsula and the Indian Subcontinent. The plant is associated with open woodland, Acacia–Commiphora bushland, thicket and rocky outcrops; recorded habitats extend from about 450 to 1,700 m in the Flora of Tropical East Africa treatment.[2]
Description[edit | edit source]
Plants are usually described as shrubs or small trees, with the species profile giving a usual height of up to about 6 m and occasional specimens to 10 m.[3] The flowers are yellow. The fruit is two-lobed or sometimes abortively unlobed in the Flora of Tropical East Africa treatment, with lobes about 7–15 mm wide that mature orange-red.[2] A separate fruit-use profile records a round black fruit 10–16 mm in diameter, so fruit appearance should be treated as variable or source-dependent rather than reduced to one fixed color description.[3]
Cultivation[edit | edit source]
Soil and water[edit | edit source]
The plant's recorded settings include stony hills, rocky outcrops, open woodland and river-bank thickets.[2][3] As a Grewia from seasonally dry sites, it is reasonable to begin with a freely draining soil that still holds organic moisture during active growth; this is a genus-level cultivation inference, not a measured soil requirement for G. arborea. Avoid keeping a container or nursery bed waterlogged, especially outside the wet growing period.
Sun and humidity[edit | edit source]
Open woodland and Acacia–Commiphora bushland indicate exposure ranging from open light to broken canopy rather than dense forest shade.[2] A practical genus-level starting point is bright sun or light filtered shade with good airflow, while avoiding an abrupt change from humid propagation conditions to exposed dry air.
Seasonal changes[edit | edit source]
Grewia arborea is deciduous and occupies habitats with a pronounced dry season.[2][3] During active growth, maintain even moisture without saturating the root zone; as leaves are shed and the dry season advances, reduce irrigation in step with plant activity while preventing a container-grown plant from becoming completely desiccated. This seasonal watering pattern is a genus-level inference from the species' deciduous, seasonally dry habitat, not a published irrigation schedule for this species.
Propagation[edit | edit source]
The examined species profile recommends fresh seed. Stored seed is described as hard-coated; scarification followed by a hot-water soak is suggested, with consistently moist conditions in a seedbed or tray. Heel cuttings are also listed as a possible method.[3]
Flowering, fruiting, and harvest[edit | edit source]
The flowers are yellow, and the fruit is described in the Flora of Tropical East Africa treatment as two-lobed or abortively unlobed, maturing orange-red.[2] The separate fruit-use record describes round black fruits 10–16 mm across.[3] These descriptions are retained without selecting one as universally definitive.
Fruit and uses[edit | edit source]
Grewia arborea is recorded as being harvested from the wild for food and fibre.[4] The examined fruit-use profile describes the raw fruit as agreeable to the taste.[3] That is a scoped food-use and flavor observation, not a universal flavor assessment or a food-safety determination.
References[edit | edit source]
- ↑ [2] Grewia arborea (Forssk.) Lam. | Plants of the World Online, including the Flora of Tropical East Africa treatment.
- ↑ [3] Grewia arborea - Useful Tropical Plants, fruit-use and propagation profile.
- ↑ [4] Grewia arborea | PROTA, documentary record of fruit and other uses.