Monographs Details:
Authority:
Knapp, Sandra D. 2002. section (Solanaceae). Fl. Neotrop. Monogr. 84: 1-404. (Published by NYBG Press)
Knapp, Sandra D. 2002.
Family:
Solanaceae
Solanaceae
Description:
Species Description - Shrubs or climbing shrubs, 0.5-2 m tall, the ultimate branchlets slender; young stems and leaves hirsute with uniseriate golden trichomes ca. 0.1 mm long; bark of the older stems partially glabrate, golden green; stems strongly winged from the decurrent leaf bases, and also from de novo wings arising ca. 1 mm below the inflorescence. Sympodial units unifoliate. Leaves lanceolate to linear, widest just proximal to the middle, 5.5-11.2 x 1.4-1.7 cm, with 6-10 pairs of main lateral veins, these indistinct above except for the raised midrib, prominent, yellowish, and puberulent with uniseriate trichomes 0.05-0.1 mm long, the apex long-acuminate, the extreme tip blunt and rounded, the base acute, decurrent on the petiole and stem; the leaf margins erose, ciliate near the apex; petioles winged, 1-5 mm long. Inflorescences opposite the leaves or occasionally internodal, simple, 0.5-1.2 cm long, 2-6-flowered, densely to sparsely hirsute with uniseriate golden trichomes; pedicel scars irregularly spaced 0.5-2 mm apart, beginning 2-3 mm from the base of the inflorescence. Buds globose. Pedicels at anthesis 4-6 mm long, deflexed, tapering from the calyx tube to a slender base ca. 0.5 mm diam., sparsely pubescent with uniseriate trichomes. Flowers with the calyx tube ca. 1 mm long, sparsely pubescent, the lobes broadly deltoid, swollen and knob-like, 0.5-1 mm long, sparsely pubescent with golden uniseriate trichomes, minutely papillose at the tips; corolla white, 8-9 mm diam., lobed 3/4 of the way to the base, the lobes long-acuminate, reflexed at anthe- sis, minutely papillose on the tips and margins; anthers 1.5-2 mm long, the terminal ca. 0.2 mm thickened and paler, 1-1.5 mm wide, poricidal at the tips, the pores teardrop shaped; free portion of the filaments 0.5-1 mm long, the filament tube ca. 1 mm long; ovary glabrous; style straight, ca. 4 mm long; stigma not distinguishable from the rest of the style, minutely papillose on the extreme tip. Fruit a globose berry, glabrous, only immature fruit seen; fruiting pedicel elongate. Seeds not known. Chromosome number not known.
Species Description - Shrubs or climbing shrubs, 0.5-2 m tall, the ultimate branchlets slender; young stems and leaves hirsute with uniseriate golden trichomes ca. 0.1 mm long; bark of the older stems partially glabrate, golden green; stems strongly winged from the decurrent leaf bases, and also from de novo wings arising ca. 1 mm below the inflorescence. Sympodial units unifoliate. Leaves lanceolate to linear, widest just proximal to the middle, 5.5-11.2 x 1.4-1.7 cm, with 6-10 pairs of main lateral veins, these indistinct above except for the raised midrib, prominent, yellowish, and puberulent with uniseriate trichomes 0.05-0.1 mm long, the apex long-acuminate, the extreme tip blunt and rounded, the base acute, decurrent on the petiole and stem; the leaf margins erose, ciliate near the apex; petioles winged, 1-5 mm long. Inflorescences opposite the leaves or occasionally internodal, simple, 0.5-1.2 cm long, 2-6-flowered, densely to sparsely hirsute with uniseriate golden trichomes; pedicel scars irregularly spaced 0.5-2 mm apart, beginning 2-3 mm from the base of the inflorescence. Buds globose. Pedicels at anthesis 4-6 mm long, deflexed, tapering from the calyx tube to a slender base ca. 0.5 mm diam., sparsely pubescent with uniseriate trichomes. Flowers with the calyx tube ca. 1 mm long, sparsely pubescent, the lobes broadly deltoid, swollen and knob-like, 0.5-1 mm long, sparsely pubescent with golden uniseriate trichomes, minutely papillose at the tips; corolla white, 8-9 mm diam., lobed 3/4 of the way to the base, the lobes long-acuminate, reflexed at anthe- sis, minutely papillose on the tips and margins; anthers 1.5-2 mm long, the terminal ca. 0.2 mm thickened and paler, 1-1.5 mm wide, poricidal at the tips, the pores teardrop shaped; free portion of the filaments 0.5-1 mm long, the filament tube ca. 1 mm long; ovary glabrous; style straight, ca. 4 mm long; stigma not distinguishable from the rest of the style, minutely papillose on the extreme tip. Fruit a globose berry, glabrous, only immature fruit seen; fruiting pedicel elongate. Seeds not known. Chromosome number not known.
Discussion:
Solanum dolosum is most closely related to S. gonyrhachis from high-elevation eastern Bolivia. It differs from that species by the characters detailed in the key. Plants of S. dolosum have been said to be hemiepiphytic, but I suspect that this small shrub occasionally merely grows in moss on trunks or fallen logs in its cloud forest habitat.
Solanum dolosum is most closely related to S. gonyrhachis from high-elevation eastern Bolivia. It differs from that species by the characters detailed in the key. Plants of S. dolosum have been said to be hemiepiphytic, but I suspect that this small shrub occasionally merely grows in moss on trunks or fallen logs in its cloud forest habitat.
Distribution:
Colombia South America| Valle del Cauca Colombia South America| Ecuador South America| Carchi Ecuador South America| Pichincha Ecuador South America|
Colombia South America| Valle del Cauca Colombia South America| Ecuador South America| Carchi Ecuador South America| Pichincha Ecuador South America|