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Magnoliopsida
Justicia tinctoria (Oerst.) D.N. Gibson
EOL Text
Distribution: A native of Tropical America, cultivated in gardens as an ornamental in Pakistan and elsewhere.
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Source | http://www.efloras.org/florataxon.aspx?flora_id=5&taxon_id=250084313 |
A large shrub, upto 2 m, with subterete to ± quadrangular glabrous or ± hairy branchlets. Leaves with up to 2 cm long petioles; lamina oblong-lanceolate to ovate-lanceolate, 5-12 (-17) x 1.5-5 (-5.5) cm, apex acuminate, bass attenuate, entire, glabrous, cystoliths on upper side dense. Flowers showy, pale-red to dark pink or orange, 4-4.5 cm long in lax axillary spicate-panicle, spikes 3-4 cm long, glabrous; bracts and bracteoles triangular-subulate, 1-2 mm long, glabrous, ciliolate at the base. Calyx lobes subulate, 1.5-3 mm long, glabrous. Corolla glabrous outside, tube 2-3 cm long, the lips subequal, upper lip erect, ovate, minutely 2-dentate, lower lip oblong, ± keeled, with 3 obtuse lobes. Staminal filaments glabrous, anther lobes unequal, obliquely attached on the connective, mucronulate, basally acute. Capsule glabrous.
License | http://creativecommons.org/licenses/by-nc-sa/3.0/ |
Rights holder/Author | eFloras.org Copyright © Missouri Botanical Garden |
Source | http://www.efloras.org/florataxon.aspx?flora_id=5&taxon_id=250084313 |
Fl. Per.: March-May.
License | http://creativecommons.org/licenses/by-nc-sa/3.0/ |
Rights holder/Author | eFloras.org Copyright © Missouri Botanical Garden |
Source | http://www.efloras.org/florataxon.aspx?flora_id=5&taxon_id=250084313 |
Peristrophe roxburghiana (syn. Peristrophe tinctoria Nees, Peristrophe baphica (Spreng) Bremek.; also called magenta plant, or lá cẩm in Vietnamese) is a flowering plant in the family Acanthaceae, native to southeastern Asia from Assam south to Sri Lanka and east to mainland Southeast Asia, Java, southern China, and Taiwan.[1][2][3]
It is a herbaceous perennial plant growing to 50–100 cm tall. The leaves are lanceolate to ovoid-acute, 2–7.5 cm long and 1–3.5 cm wide. The flowers are two-lobed, the long axis up to 5 cm long; they are magenta to reddish-violet.[1][2][4][5]
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Cultivation and uses
Culinary use
An extract of its leaves imparts a magenta tone to some Vietnamese foods, particularly in a taro-filled cake called bánh da lợn and glutinous rice dishes such as xôi lá cẩm, a sweet dessert.
Medicinal use
The plant is used in traditional Chinese medicine.
References
- ^ a b Flora of Taiwan: Peristrophe roxburghiana.
- ^ a b Flora of China (draft): Acanthaceae.
- ^ Germplasm Resources Information Network: Peristrophe roxburghiana.
- ^ Taiwan Forestry Flora of Taiwan 4: 183: in Chinese; google translation.
- ^ photo
License | http://creativecommons.org/licenses/by-sa/3.0/ |
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Source | http://en.wikipedia.org/w/index.php?title=Peristrophe_roxburghiana&oldid=544910800 |