Jacobinia carnea (Lindl.) G.Nicholson
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Authority
Leonard, Emery C. 1958. The Acanthaceae of Colombia, III. Contr. U. S. Natl. Herb. 31: 323-781.
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Family
Acanthaceae
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Scientific Name
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Description
Description - Herbs or suffrutescent plants up to 2 meters high; stems subquadrangular, grooved (the angles rounded), glabrous or minutely puberulous with curved hairs; leaf blades oblong-ovate, up to 25 cm. long and 7 cm. wide, acuminate (the tip itself blunt), acute to rounded at base and decurrent on the petiole, moderately firm, undulate or entire, both surfaces sparingly and inconspicuously hirtellous or puberulous, the hairs up to 0.2 mm. long, subappressed, the venation rather prominent, the cystoliths obscure to conspicuous; petioles up to 5 cm. long, puberulous; thyrsi sessile or subsessile, solitary, terminal, dense, up to 19 cm. long and 8 cm. broad, the rachis puberulous, the lowermost thyrsulas subtended often by small leaf blades, the upper thyrsulas by elliptic bracts 2 cm. long and 1 cm. wide (these reduced in size towards tip of thyrse), obtuse or rounded, moderately firm, glabrous or sparingly hirtellous, sparingly ciliate, the hairs up to 0.8 mm. long; bracts subtending the flowers oblong, 2 cm. long, 1.5 cm. wide, rounded at tip, glabrous and ciliate; bractlets lanceolate, 15 mm. long, 1.5 mm. wide, narrowed to an obtuse tip, glabrous and ciliate, the venation of both bracts and bractlets obscure; calyx 11 mm. long, the segments lanceolate, 10 mm. long, 2 mm. wide, acute, subhyaline, glabrous or sparingly hirtellous and ciliate near tip, the costa and lateral nerves delicate; corolla lilac, red or pink,sparingly glandular-puberulous (the hairs spreading, up to 0.2 mm. long), up to 6.5 cm. long, 4 mm. broad at base, abruptly narrowed to 2.5 mm. at 4 mm. above base, thence gradually expanded to 5 mm. at throat, the upper lip erect, arched and bibbed at tip, the lobes about 1 mm. long and 0.75 mm. wide, rounded, the lower lip spreading or recurved, 3-lobed, cuneate, 8 mm. wide at base of lobes, these ovate, about 3 mm. long and 2 mm. wide, rounded; stamens barely reaching the tip of the upper corolla lip, the anther lobes slightly superposed, 3 mm. long and 1.25 mm. broad, the filaments flattened, 0.75 mm. wide; pistil slightly longer than the stamens, the stigma bilobed, minute and rounded; capsules not seen.
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Common Names
tango rojizo, isopo rojizo