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Exostema spinosum

Exostema spinosum
Photo: Smithsonian Institution, NMNH, Botany, CC0

Exostema spinosum is a small, spiny shrub or tree from the wet tropics of Cuba, Hispaniola and nearby islands, belonging to the coffee family. It is rarely grown in cultivation, so its care is best judged from its tropical forest habitat.

Family
Rubiaceae (Coffee family)
Grows as
Tree, Shrub
Light
Part shade, Bright indirect
Water
Keep the soil evenly moist during growth and let the top layer dry slightly between waterings.
Soil
Well-drained, humus-rich potting mix or forest-type soil.
Temperature
18–30 °C; protect below 10 °C
How easy
Moderate
Native range
Cuba to Hispaniola
Climate
wet tropical

About

Exostema spinosum is a species of flowering plant in the family Rubiaceae. It is a shrub or tree with spiny branchlets, thickly leathery leaves, solitary flowers, and capsule fruits. The species is native to the Caribbean, and was described in 1790.

Where it grows

Exostema spinosum is native to the wet tropical biome of Cuba, the Dominican Republic, and Haiti.

Other Exostema plants

Exostema acuminatum · Caribbean princewood · Exostema coriaceum · Exostema glaberrimum · Exostema lancifolium · Exostema nitens · Exostema purpureum · Exostema salicifolium · Solenandra triflora · Exostema

Text excerpted from the Wikipedia article Exostema spinosum by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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