Campylocentrum pachyrrhizum

(Reichenbach f.) Rolfe

Orchid Rev. 11: 246. 1903.

Common names: Leafless bentspur orchid
Basionym: Aeranthus pachyrrhizus Reichenbach f. Flora 48: 279. 1865
Synonyms: Aeranthus spathaceus Grisebach
Treatment appears in FNA Volume 26. Treatment on page 620. Mentioned on page 619.

Plants appressed to substrate, inconspicuous, leafless at anthesis. Roots gray-green, fascicled, 2.5–5 mm wide when flattened against substrate. Stems hidden by roots, to 5 mm. Leaves early deciduous, minute, scarious. Inflorescences densely flowered spikes, erect to pendent, stout, to 3.5 cm; floral bracts broadly cordate, 1–3 mm, scarious, margins erose-denticulate. Flowers resupinate, funnelform; sepals brownish orange, elliptic to elliptic-lanceolate, 4 × 1.5 mm, apex acute; petals creamy white with pink flush, otherwise similar to sepals, 3.5 × 1.5 mm; lip same color as petals, 3-lobed, 2–3 × 2 mm, middle lobe triangular-acuminate, lateral lobes triangular-rounded; spur saccate, 2.5 mm; column less than 0.5 mm; pollinia greenish; ovary sessile, 1 mm. Capsules brownish orange, ellipsoid, 6–9 × 3–4 mm, pubescent.

Phenology: Flowering Sep–Oct.
Habitat: Cypress swamps and wet hammocks
Elevation: 0–20 m


V26 1267-distribution-map.jpg

Fla., West Indies, n South America.


Selected References


Lower Taxa