Monographs Details:
Authority:
Michelangeli, Fabián A. 2005. (Melastomataceae). Fl. Neotrop. Monogr. 98: 1-114. (Published by NYBG Press)
Michelangeli, Fabián A. 2005.
Family:
Melastomataceae
Melastomataceae
Description:
Species Description - Shrub, to 0.5-1.5 m tall; stems with straight nonglandular trichomes 1-2 mm long, caducous, the nodes glabrous. Leaves isophyllous or slightly anisophyllous, broadly ovate to cordate, 12-19.5 X 8.0-15.5 cm, apex acuminate, base cordate to broadly rounded, adaxial surface sparsely to moderately setulose, the trichomes adpressed, 0.5-2.0 mm long, abaxial surface moderately to densely glandular-pubescent on the primary and secondary veins, the trichomes late caducous to persistent, the surface between the veins fine-setulose, light green, 7(-9)-nervate, membranaceous, crenulate, ciliate; petioles 2.5-12.5 cm long, densely to sparsely pubescent, the trichomes often caducous; domatia absent. Inflorescence a terminal panicle of 6-20 (or more) flowers, 10-18 cm long, the axis green, terete. Flowers on pedicels 1.0-4.0 mm long, not flared at the apex, subtended by late caducous bracts, subulate to setiform, 1-1.2 X 0.1-0.2 mm; hypanthium campanulate, 2.0-2.5 mm long, with a mix of sparse glandular trichomes and sessile glands; outer calyx teeth mostly fused to the inner teeth, the subulate apex projecting beyond the inner calyx, 0.25-0.5 mm long, inner calyx teeth broadly deltoid, hyaline, 2.0 mm long; the ring inside the torus with minute glandular trichomes; petals 5, obovate, 5.0-6.0 X 3.5-5.0 mm, base truncate to obtuse, entire, smooth, glabrous, pink, white, or even bluish; stamens all the same size; filaments 2.5-3.5 mm long, glabrous; anthers yellow, laterally connivent and forming a ring around the style; the connective without a dorsal-basal blunt tooth, but the base prolonged into a retrorse triangular append-age l.0-1.5 X 1.0 mm; thecae 1.5-2.0 mm long, opening by an upright terminal pore; ovary 5-locular, terete, 1/2-2/3 inferior, the superior portion spherical, with a corona of short (up to 1.5 mm) glandular setae; style glabrous, 5.5-8.5 mm long; stigma truncate to distally papillate. Fruits globose, 3.5-4.0 mm long, black to deep blue, sparsely glandular-setose to glabrous; seeds not evident through the pericarp, truncate-obovate, 0.5-0.6 mm long, without capitate trichomes in the raphal area, with sculpturing, anticlinal walls curved, periclinal walls flat to slightly convex, boundaries between periclinal walls flat.
Species Description - Shrub, to 0.5-1.5 m tall; stems with straight nonglandular trichomes 1-2 mm long, caducous, the nodes glabrous. Leaves isophyllous or slightly anisophyllous, broadly ovate to cordate, 12-19.5 X 8.0-15.5 cm, apex acuminate, base cordate to broadly rounded, adaxial surface sparsely to moderately setulose, the trichomes adpressed, 0.5-2.0 mm long, abaxial surface moderately to densely glandular-pubescent on the primary and secondary veins, the trichomes late caducous to persistent, the surface between the veins fine-setulose, light green, 7(-9)-nervate, membranaceous, crenulate, ciliate; petioles 2.5-12.5 cm long, densely to sparsely pubescent, the trichomes often caducous; domatia absent. Inflorescence a terminal panicle of 6-20 (or more) flowers, 10-18 cm long, the axis green, terete. Flowers on pedicels 1.0-4.0 mm long, not flared at the apex, subtended by late caducous bracts, subulate to setiform, 1-1.2 X 0.1-0.2 mm; hypanthium campanulate, 2.0-2.5 mm long, with a mix of sparse glandular trichomes and sessile glands; outer calyx teeth mostly fused to the inner teeth, the subulate apex projecting beyond the inner calyx, 0.25-0.5 mm long, inner calyx teeth broadly deltoid, hyaline, 2.0 mm long; the ring inside the torus with minute glandular trichomes; petals 5, obovate, 5.0-6.0 X 3.5-5.0 mm, base truncate to obtuse, entire, smooth, glabrous, pink, white, or even bluish; stamens all the same size; filaments 2.5-3.5 mm long, glabrous; anthers yellow, laterally connivent and forming a ring around the style; the connective without a dorsal-basal blunt tooth, but the base prolonged into a retrorse triangular append-age l.0-1.5 X 1.0 mm; thecae 1.5-2.0 mm long, opening by an upright terminal pore; ovary 5-locular, terete, 1/2-2/3 inferior, the superior portion spherical, with a corona of short (up to 1.5 mm) glandular setae; style glabrous, 5.5-8.5 mm long; stigma truncate to distally papillate. Fruits globose, 3.5-4.0 mm long, black to deep blue, sparsely glandular-setose to glabrous; seeds not evident through the pericarp, truncate-obovate, 0.5-0.6 mm long, without capitate trichomes in the raphal area, with sculpturing, anticlinal walls curved, periclinal walls flat to slightly convex, boundaries between periclinal walls flat.
Discussion:
For details on the systematic position of T. croatii, see discussion under T. symphyandra.
For details on the systematic position of T. croatii, see discussion under T. symphyandra.
Distribution:
Darién Panamá Central America|
Darién Panamá Central America|