Tolumnia bahamensis (Nash) Braem
Florida's Dancing Lady
Facts About
Accepted Synonyms: Oncidium bahamense, Tolumnia adamsii
Tolumnia bahamensis, commonly known as Florida's Dancing Lady, is restricted to a small area of coastal scrub in southeastern Florida and the Bahamas. Plants consist of fans of 4-8 leaves with a serrated edge connected by a thin rhizome. It bears an inflorescence of up to 50 flowers that are 2 cm in size and irregularly banded with yellow, brown, green and a white tip. The white labellum is spotted and has a yellow callus. This orchid blooms in April and May and grows at the base of wild rosemary or palmetto scrub, or on pine twigs very low to the ground.
Tolumnia bahamensis is considered vulnerable across its narrow range due to its uncertain distribution in West Indies. In Florida, this orchid is considered endangered where it is threatened by habitat development and illegal collection. Conservation efforts are currently underway to reintroduce thousands of laboratory propagated plants into protected areas.
Pollination
This orchid is pollinated by male Centris errans bees that mistake the flowers for other insects and attack them. Pollinaria will often attach to the bee’s head during the encounter.
Ecosystem Type
Shrublands or thickets
Characteristics
- Habitat:
-
- epiphyte
- terrestrial
- Leaf arrangement:
- alternate
- Number of leaves on stem:
- NA
- Form of the labellum:
- the labellum is not pouch-like
- Labellum outline:
- the labellum is lobed
- Main color of labellum:
-
- green to brown
- pink to red
- white
- yellow
- Nectar spur:
- absent
- Inflorescence type:
- the inflorescence is a raceme
- Labellum characteristics:
- the labellum is lobed
- Labellum length:
- 8–12 mm
- Sepal length:
- 6 mm
- Plant height:
- 25–130 cm
-
Flowers
- Floral bract length:
- Up to 2 mm
- Flower petal color:
-
- brown
- purple
- white
- yellow
- Flower symmetry:
- the flower is zygomorphic
- Flowering date:
-
- April
- May
- Flowers per inflorescence:
- 10–40
- Form of the labellum:
- the labellum is not pouch-like
- Hairs on flower stalk:
- the pedicel is hairless
- Hairs on inflorescence axis:
- the inflorescence stem is hairless
- Inflorescence length:
- Up to 500 mm
- Inflorescence type:
- the inflorescence is a raceme
- Labellum characteristics:
- the labellum is lobed
- Labellum length:
- 8–12 mm
- Labellum outline:
- the labellum is lobed
- Labellum position:
- the flowers are resupinate
- Length of flower stalk:
- Up to 22 mm
- Lower petal strongly red-veined:
- no
- Main color of labellum:
-
- green to brown
- pink to red
- white
- yellow
- Nectar spur:
- absent
- Number of stamens:
- 1
- Orientation of side petals:
-
- the lateral petals are ascending
- the lateral petals are spreading
- Self-pollinating flowers:
- there are no cleistogamous flowers
- Sepal length:
- 6 mm
- Sepals fused only to sepals:
- the sepals are separate from one another
- Spots on labellum:
- no
-
Fruits or seeds
- Fruit length:
- 15–20 mm
- Fruit width:
- Up to 10 mm
- Seed capsule orientation:
- the capsule bends downwards
-
Growth form
- Epiphyte form:
- stolon
- Plant height:
- 25–130 cm
- Roots:
- the rhizomes are non-coralloid
- myco-heterotrophic or not:
- the plant is chlorophyllous
-
Leaves
- Bract relative length:
- the bract is shorter than the associated flower
- Features of leaves:
- N/A
- Leaf arrangement:
- alternate
- Leaf blade edges:
- the leaf edges are denticulate
- Leaf blade length:
- 30–100 mm
- Leaf blade length to width ratio:
- 7.5–10
- Leaf blade shape:
- linear
- Leaf blade tip:
- the tip of the leaf blade is acuminate
- Leaf blade width:
- 4–10 mm
- Leaves during flowering:
- leaves are present during flowering
- Number of leaves on stem:
- NA
-
Place
- Ecosystem type:
- shrublands or thickets
- Habitat:
-
- epiphyte
- terrestrial
- Location:
- Florida
-
Facts and Uses
- Mycorrhiza
- Monitoring
- Propagation
- Restoration
Native to North America
Yes
North American Conservation Status & Distribution
Conservation Status
Conservation and Wetland Status | |
---|---|
Global Rank | Vulnerable |
US Status | N/A |
Canadian Status | N/A |
Conservation status for: Florida | |
---|---|
Global Rank | Vulnerable |
US Status | N/A |
Florida Rank | Highly State Rare |
Florida Status | Endangered |
Canadian Status | N/A |
Wetland Status | N/A |