Triphora amazonica

Schlechter

Beih. Bot. Centralbl. 42: 75. 1925.

Synonyms: Triphora latifolia G. M. Luer
Treatment appears in FNA Volume 26. Treatment on page 594. Mentioned on page 593, 595.

Plants delicate, 4–9 cm, glabrous. Roots from fleshy ovoid tuberoids, 10–20 × 5–8 mm. Stems erect, unbranched, green, slender, leafy. Leaves 2–5, widely spaced along stem; blade green to yellow-green, broadly ovate to nearly reniform, 4–8 × 7–13 mm, margins entire, apex acute to rounded; distal leaves narrower than proximal, 4–8 × 4–13 mm, margins entire. Inflorescences terminal, solitary; floral bracts leaflike, ovatelanceolate, to 8 mm. Flowers resupinate, nodding to nearly erect, gaping to somewhat so, white or pink; dorsal sepal oblong-lanceolate, 10–10.5 × 2.5–2.8 mm; lateral sepals oblong-lanceolate, falcate, 10–10.5 × 2.5–2.8 mm; petals oblong-lanceolate, slightly falcate, 10 × 2–2.3 mm; lip facing away from stem, ovate, clawed, 3-lobed, 8.5 × 6 mm, middle lobe finely erose, undulate, ovate to suborbiculate, lateral lobes triangular, falcate; disc with 3 pale green, denticulate to papillose, longitudinal crests; column greenish, slender, clavate, 8 mm, anther stalked; pollinia yellow. Capsules erect or pendent, ellipsoid, 8–11 mm.


Phenology: Flowering summer.
Habitat: Upland hardwood hammocks, in rich, well-drained, moist humus
Elevation: 0–20 m

Distribution

V26 1213-distribution-map.jpg

Fla., West Indies (Dominican Republic), West Indies (Puerto Rico), West Indies (Trinidad), South America (Brazil), South America (French Guiana), South America (Guyana)

Discussion

Originally J. D. Ackerman (1995) determined vegetative material from Puerto Rico as the Florida endemic, Triphora latifolia. After a comparison with it, and some others from Trinidad, with Schlechter’s illustration, the only difference that could be detected between T. latifolia and T. amazonica was that the middle lobe of the lip may be rounded in T. latifolia and acute in T. amazonica (J. D. Ackerman 2000). The distribution of T. latifolia as known in 1995 (Florida, Puerto Rico, and Brazil) was unusual, but recent information showing that T. amazonica ranges from Brazil to Guyana, French Guiana, Surinam, Trinidad, and Dominican Republic makes the link with Puerto Rico and Florida more reasonable (J. D. Ackerman 2000) and supports treating T. amazonica and T. latifolia as conspecific. Ackerman observed that such geographic patterns suggest that rare species may have more extensive distributions than presently known, or that additional specimens may show that the disjunct populations are not conspecific.

Selected References

None.

Lower Taxa

None.
... more about "Triphora amazonica"
pale green +  and white +
self-pollination +
Acute (?) +  and Rounded (?) +
Max E. Medley +
Schlechter +
indehiscent +
not +  and articulate +
conduplicate +  and plicate +
green;yellow-green +
0.4 cm4 mm <br />0.004 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
broadly ovate +  and nearly reniform +
reduced +
7mm;13mm +
pendent +  and erect +
ellipsoid +
0.8 cm8 mm <br />0.008 m <br /> (?) +  and 1.1 cm11 mm <br />0.011 m <br /> (?) +
slender +
papillose +
denticulate +
0.4 cm4 mm <br />0.004 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (?) +  and 1.3 cm13 mm <br />0.013 m <br /> (?) +
Fla. +, West Indies (Dominican Republic) +, West Indies (Puerto Rico) +, West Indies (Trinidad) +, South America (Brazil) +, South America (French Guiana) +  and South America (Guyana) +
1 cm10 mm <br />0.01 m <br /> (1.05 cm10.5 mm <br />0.0105 m <br />) +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.28 cm2.8 mm <br />0.0028 m <br />) +
0–20 m +
0 cm0 mm <br />0 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
pink +  and white +
nodding +  and nearly erect +
terminal +  and axillary +
pendent +  and erect +
obovoid;ellipsoid-ovoid +
Upland hardwood hammocks, in rich, well-drained, moist humus +
1-10-flowered +  and solitary +
lateral +  and terminal +
1 cm10 mm <br />0.01 m <br /> (1.05 cm10.5 mm <br />0.0105 m <br />) +
falcate +  and oblong-lanceolate +
not articulate +  and sessile +
cauline +  and basal +
2 (?) +  and 5 (?) +
reduced +
8.5 cm85 mm <br />0.085 m <br /> (?) +
3-lobed +, clawed +  and ovate +
larger +
6 cm60 mm <br />0.06 m <br /> (?) +
differing in form and color +
fusiform +
slender +
1-many-flowered +  and cymose +
pendent +  and erect +
free +  and distinct +
10 cm100 mm <br />0.1 m <br /> (?) +
0.2 cm2 mm <br />0.002 m <br /> (0.23 cm2.3 mm <br />0.0023 m <br />) +
Flowering summer. +
Beih. Bot. Centralbl. +
1 cm10 mm <br />0.01 m <br /> (?) +  and 2 cm20 mm <br />0.02 m <br /> (?) +
aerial +  and subterranean +
filiform +
5mm +  and 8mm +
minute +
free +  and distinct +
foliaceous +
not +  and alike +
leafy +  and unbranched +
proliferous +
slender +
succulent +
2-lobed +  and entire +
Triphora latifolia +
Triphora amazonica +
Triphora +
species +
photosynthetic +  and mycotrophic +