Tolumnia bahamensis

Tolumnia bahamensis (Nash ex Britt. & Millsp.) G. J. Braem

Synonym: Oncidium bahamense

Common Names: Dancing Lady

Family: Orchidaceae

Habit: Tolumnia bahamensis grows as a rhizomatous epiphyte.  There is a shortened primary stem that is incased by imbricating sheaths.  There is a secondary stem forming a pseudobulb that is short, to 5 mm, and enclosed by distichously arranged leaf bases.  The leaves are arranged 2-ranked, plicate, recurved linear, to 6 cm in length (usually smaller) and 5 mm wide, lanceolate, recurved typically imbricate and conduplicate, green to bronze with a serrulate leaf margin and acute leaf apex.

The complete, perfect, zygomorphic flowers are arranged in terminal racemes (with occasional branching) up to 60 cm in height (usually shorter) with up to 45 flowers (usually less). A small bract subtends each flower.  The calyx has 3, yellow with brown, sepals. The corolla has 3 petals with one forming the labellum. The labellum is 3 lobed and is yellow brown and green at the base with the ends white with pink.  The lateral lobes white with yellow and brown spots, entire or crenate reflexed margins and the mid lobe is entire or crenate with brown and yellow spots at the base. The column  with white and pink lateral wings.  The fruit is a capsule at maturity.

Habitat: Tolumnia bahamensis grows in coastal Dry Broadleaf Evergreen Formation – Shrublands and Pine Woodlands.

Distribution: Tolumnia bahamensis is endemic to the Lucayan Archipelago with a population in Palm Beach Florida that is a likely transport from the Bahamas rather than a natural population.

Medicinal/Cultural/Economic usage: Tolumnia bahamensis is not used medicinally in the Bahamas.