09 Apr Sterculia rhinopetala
Scientific name: Sterculia rhinopetala K. Schum.
Family: Malvaceae.
Distribution and conservation status: Found in moist semi-deciduous and evergreen forests, typically in mixed timber stands. Vulnerable due to overexploitation.
Common names: African corkwood (English), Koko Igbo (Yoruba), Okpo (Igbo).
Fruit/seeds: a cluster of 1-5 woody follicles, each 7–15 cm long, boat-shaped. Follicles split open to expose several large seeds covered with irritant hairs, seeds (like kola nuts or chestnuts).
Fruiting time: November-January.
Seed extraction method: Remove seeds from the pods.
Types of seed: Recalcitrant seeds.
Sowing method: Sow directly.
Sowing medium: Forest topsoil and composted sawdust.
Germination Period: 10 days.
Germination percentage: 90% (45/50 x 100)
Planting: Requires partial shade.
Growth and development: Moderate-fast growing in suitable soils, deciduous tree growing up to 40–50 m, classified as non-pioneer light demander.
Notes: Fresh seeds gives high germination percentage.