Plant Listings

Fimbristylis ferruginea

Fimbristylis ferruginea (L.) Vahl


Common Names
: Rusty Sedge


Family:  Cyperaceae


Habit: Fimbristylis ferruginea grows as an herb in clumps. The leaves are reddish green, round at base, flat towards the leaf apex, to 90 cm (typically shorter) in length and 3 mm in width. The margin has ciliate hairs, with an acute leaf tip. The venation pattern is linear. 


The actinomorphic flowers are arranged in lax, compound cymes.  The individual flowers are arranged in broadly oval spikelets each subtended by 2-3 scales. 2-6 spikelets are grouped at the ends of the inflorescence branches. The lower flowers in each spikelet are infertile. There is no calyx or corolla. The scales below fertile flowers are red/brown. There are 3 stamens.  The ovary is superior with a single locule and a 2-cleft style.  The fruit is a light to dark brown achene at maturity. 

Habitat: Fimbristylis ferruginea grows along the edges of fresh and salt-water wetlands, roadsides, and dune systems.

Distribution in Bahamas/Globally: Fimbristylis ferruginea occurs on all island groupings in the Bahamian Archipelago as well as old and new world tropics and subtropics.

Medicinal/Cultural/Economic usage: Fimbristylis ferruginea is not used medicinally in the Bahamas.

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