Ponthieva

R. Brown

in W. Aiton and W. T. Aiton, Hortus Kew. 5: 199. 1813.

Etymology: For Henri de Ponthieu, a West Indian merchant who sent plant collections to Sir Joseph Banks in 1778
Treatment appears in FNA Volume 26. Treatment on page 547. Mentioned on page 498.
Revision as of 21:38, 16 December 2019 by FNA>Volume Importer

Herbs, terrestrial, rarely epiphytic, sympodial. Roots fasciculate, fleshy, villous. Stems simple, rhizomatous. Leaves mostly basal, subsessile to petiolate; blade not articulate, thin, delicate. Inflorescences terminal, few- to many-flowered racemes; peduncles bracteate, glandular-pubescent. Flowers not resupinate, erect or suberect, dishlike; perianth spreading; dorsal sepal lightly adherent to petals at apex; lateral sepals distinct or connate; petals free or adnate to basal flanks of column, obliquely triangular, clawed, conspicuous, often forming “pseudolip”; lip adnate to base of column, distinctly to obscurely clawed, deeply concave, fleshy; column semiterete, dilated and slightly winged distally, short, apex pointed; anther adaxial, erect behind rostellum; pollinia 4, bright yellow, clavate, joined in pairs, firm but somewhat mealy, attached to caudicles; stigma entire; viscidium terminal; pedicellate ovary pubescent. Fruits capsules, suberect, ellipsoid [obovoid].

Distribution

Tropical and subtropical, North America, Mexico, West Indies, Central America, South America.

Discussion

Species 25 (2 in the flora).

Selected References

None.

Key

1 Perianth more than 5 mm; petals conspicuously striped green, 3.5–5 mm wide; lip distinctly clawed, suborbiculate; leaves present at anthesis; shady broadleaf forests. Ponthieva racemosa
1 Perianth less than 5 mm; petals not conspicuously striped green, 1.5 mm wide; lip indistinctly clawed, obovate; leaves withering or absent at anthesis; open pinelands. Ponthieva brittoniae
... more about "Ponthieva"
James D. Ackerman +
R. Brown +
Tropical and subtropical +, North America +, Mexico +, West Indies +, Central America +  and South America. +
For Henri de Ponthieu, a West Indian merchant who sent plant collections to Sir Joseph Banks in 1778 +
in W. Aiton and W. T. Aiton, Hortus Kew. +
Ponthieva +
Orchidaceae (tribe Cranichideae) subtribe Cranichidinae +