Pencil Flower
Ethan H. Freid
Stylosanthes hamata (L.) Taub.
Common Names
Pencil Flower
Family
Fabaceae
Habit
Stylosanthes hamata grows as a low, creeping ground cover to low shrub up to 50 cm in height. The trifoliate leaves are arranged alternately. The leaflets are to 2 cm in length, lanceolate, with an obtuse leaf apex and entire margin. The petiole has two stipules at its base. The vegetative parts of the plant are often covered in sericeous or pilose pubescence.
The zygomorphic monoecious flowers are arranged in spikes. The staminate flowers have 5 fused sepals in the calyx and 5 orange petals in the corolla;the lower 2 petals are fused to form a keel and the upper petal is enlarged forming a standardm abd there are 10 stamens and no ovary. In carpellate flowers the calyx is reduced to 2 sepals, the corolla has 4 petals and there are no stamens;the ovary is superior with a single locule. The fruit is a 2-parted legume that is highly constricted between the 2 seeds.
Habitat
Stylosanthes hamata primarily occurs in human-disturbed areas (yards and roadsides) and around the edges of ephemeral fresh water areas.
Distribution in Bahamas/Globally
Stylosanthes hamata occurs on all island groupings in the Bahamian Archipelago well as south Florida, the Caribbean region and Central and northern South America. It is now occurring throughout the world in other tropical and subtropical regions.
Medicinal/Cultural/Economic usage
Stylosanthes hamata is not used medicinally in the Bahamas.
Stylosanthes hamata is used as feed for livestock in Africa and India and in other tropical and subtropical areas.