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Justicia (James Justice, a scotch gardener and author of the eighteenth century).Acanthaceir. Greenhouse plants, grown for the showy fascicles, spikes or panicles of white, violet or red bracted flowers.
Mostly herbs of various habit, with opposite entire lvs: calyx deeply divided into 4 or 5 narrow lobes; corolla 2-lipped, the straight or curved tube very short and dilated above, the upper lip erect or incurved and concave and the summit entire or somewhat 2-toothed, the lower lip 3-lobed and spreading; stamens 2 attached in the throat; staminodia none; disk ring-like or cupulate: caps, ovate or oblong, with seeds 4 or less.-Species 250-300, widely distributed in many warm regions, in Amer. reaching as far north as Texas. From Jacobinia, close garden ally, the genus is distinguished by the spurred or appendaged anthers. Justicia is variously understood. Landau (in Engler & Prantl, Pflanzenfamilien) refers no less than 30 genera to it, among others being Adhatoda and Dianthera. Most of the garden plants known as justicias are jacobinias. Consult Jacobinia, for example, for Justicia magnifica, J. carnea, J. Pohliana, J. velutina, J. Mohintlii, J. coccinea, J. Ghiesbreghtiana and J. Lindenii. Others may belong to Thyrsacanthus, Daedalacanthus and Schaueria; and there has been confusion even with Whitfieldia.
The remarks on culture under the different species of jacobinias will apply here. Plants are secured readily from cuttings made in late winter or spring, and these should bloom the coming fall or winter. After blooming, discard the plants, except such as are to be kept for furnishing cuttings. Unless well headed back, old plants become loose and weedy, and they take up too much room.
The Justicia quadrifida now offered in S. Calif., is probably Anisacanthus virgularis, Nees (Justicia virgularis, Salisb. J. coccinea, Cav., not Aubl. J. quadrifida, vahl. drejera puberula, torr.). Plant vigorous, rather straggling, with long erect branches, glabrous: lvs. deciduous, light green, opposite and decussate, elliptic-lanceolate, spreading, rigid: fls. scarlet-red (or orange-scarlet), usually solitary, axillary in one of the 2 opposite axils, thus making a long leafy unilateral spike; corolla-tube long and slender, deeply lobed into 4 spreading or recurved parts. Mex. R.H. 1872:50. Autumn and winter in S. Calif., Aug. and Sept. in France. var. compacta, franceschi, is a very compact low bush of emerald-green color and covered all summer with orange-scarlet fls.; comes true from seed.— Not to be confounded with Justicia quadrifaria, Wall.
Of the justicias appearing in American lists, only J. furcata, Jacq. (Adhatoda furcata, DC.) seems now to be retained in the genus. Herbaceous, pubescent, the st. erect and terete: lvs. oblong-oval, attenuate to petiole: fls. small, in short aggregated axillary spikes which are often geminate, the bracts linear-lanceolate; color of fls. purple and white; upper lip 2-fid, the lower 3-fid and broad-convex. S. Mex.—Said to seed itself freely in S. Calif., but to be of little value.
J. calloricha and J. ealycotricha, Hort., see Schaueria.—J. flava, Hort., and J. flatfcoma, Lindl. =Schaueria. L .H .B
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[[Image:TypicalAmericanWaterWillow.jpg|thumb|left|Typical habitat of American Water-willow (Justicia americana) on the [[Coosa River]] near [[Wetumpka, Alabama]]]]
[[Image:TypicalAmericanWaterWillow.jpg|thumb|left|Typical habitat of American Water-willow (Justicia americana) on the [[Coosa River]] near [[Wetumpka, Alabama]]]]
''Justicia brandegeeana'' (formerly ''Beloperone guttata'', commonly called Shrimp Plant) is native to [[Mexico]]. It is hardy to −4 °C but will often recover in the spring after freezing back in USDA Plant Zone 8a.
''Justicia brandegeeana'' (formerly ''Beloperone guttata'', commonly called Shrimp Plant) is native to [[Mexico]]. It is hardy to −4 °C but will often recover in the spring after freezing back in USDA Plant Zone 8a.
''Justicia carnea'' (formerly ''Jacobinia carnea'', common names including Brazilian Plume Flower, Flamingo Flower, and Jacobinia) is native to [[South America]] in southern [[Brazil]], [[Paraguay]] and northern [[Argentina]]. It is hardy to −2 °C but will often recover in the spring after freezing back in USDA Plant Zone 8a.
''Justicia carnea'' (formerly ''Jacobinia carnea'', common names including Brazilian Plume Flower, Flamingo Flower, and Jacobinia) is native to [[South America]] in southern [[Brazil]], [[Paraguay]] and northern [[Argentina]]. It is hardy to −2 °C but will often recover in the spring after freezing back in USDA Plant Zone 8a.
==References==
==References==