Vanilla barbellata

Reichenbach f.

Flora 48: 274. 1865

Common names: Worm vine
Illustrated
Synonyms: Vanilla articulata Northrop
Treatment appears in FNA Volume 26. Treatment on page 509. Mentioned on page 508.

Roots usually 1–2 per node, gray, 1–3 mm diam. when aerial, thicker and villous when in contact with substrate, glabrous. Stems occasionally branched, 3–9 mm diam., smooth. Leaves early deciduous; blade broad basally, otherwise narrowly lanceolate, relatively thin, to 4 × 0.8 cm. Inflorescences axillary on short lateral branches, several- to many-flowered racemes, 1.5–6 cm excluding peduncle; floral bracts broadly ovate, 4–12 mm, fleshy. Flowers: sepals and petals green, somewhat spreading, distinct and free; sepals oblong-oblanceolate, 3–4 × 0.9–1.2 cm; petals oblong-oblanceolate, slightly falcate, dorsally keeled, 3–4 × 1–1.3 cm, apex acute to obtuse; lip greenish abaxially, deep red adaxially, shading to white margin, with broad, yellow midrib, overall triangular-obovate, medially thickened, apex 3-lobed, lateral lobes arching over column, orbiculate, margins involute, sinuses 4–5 mm deep, middle lobe reflexed, fleshy; disc with tuft of rigid, retrorse bristles; claw and basal margins adnate to proximal 1/2 of column; column straight, semiterete, 2.3–3.3 cm; pedicellate ovary 3–4.5 cm. Berries pendent, fusiform-cylindric, slightly curved, 7–9 cm × 9–13 mm.


Phenology: Flowering Apr–Jun.
Habitat: Mangroves, coastal hammocks, bay tree islands, rocky pinelands
Elevation: 0–20 m

Discussion

Vanilla barbellata is known in the flora area from several keys in Everglades National Park, Miami, Miami-Dade and Monroe counties, Florida (P. M. Brown 2002).

Selected References

None.

Lower Taxa

None.