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Eranthemum nervosum
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Family:
ACANTHACEAE
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Citation: Eranthemum nervosum (Vahl) R. Br., Prodr. 1: 477. 1810; Gamble, Fl. Pres. Madras 1023(719). 1924; Remadevi & Binoj., Journ. Econ. Tax. Bot. 24:749. 2000.
Justicia nervosa Vahl, Enum. Pl. 1: 164. 1804.
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Malayalam Name(s):
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Tamil name(s):
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English name(s):
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Description:
Perennial erect shrubs, 1-1.75 m high; stem quandrangular, glabrous internode 3-4 cm long; petiole 0.5-1.5 cm. Leaves opposite, 4-9 x 2.5-5 cm, ovate, elliptic, entire caudate, glabrous, lateral nerves 6-7 pairs. Inflorescence terminal or axillary, peduncle 1.5-3 cm long, spikes in close 4-5 cm long panicles; bracts foliaceous, elliptic ovate, caudate, pubescent, nerves dark green and pale or whitish between the nerves, 2-2.5 x 0.8-1 cm; flower bracts foliaceous, glabrous, 1.5-1.8 x 0.8-1 cm; bracteoles lanceolate, acuminate, 0.5 -0.6 x 0.1 cm. Calyx lobes 5, divided half way down, segments unequal, 0.6-0.8 x0.1 cm. Corolla deep blue, l tube ca. 2.5 cm long, minutely pubescent, lobes 5, subequal, glabrous, obovate, ca. 1 x 1 cm; Stamens 2, filaments ca. 0.8 cm, blue, glabrous, anther lobes dorsifixed, ca. 0.2 cm. Ovary ca. 0.4 x 0.1 cm, ellipsoidal; style 3-4 cm hairy.
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Habit:
Shrub
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Flowering & Fruiting:
November-April
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District(s):
Kannur
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Medicinal:
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Habitat:
Grown as garden plant
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Distribution:
Tropical Asia
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Aquatic:
No
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Epiphyte(s):
No
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Saprophyte:
No
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Stem parasite:
No
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Root parasite:
No
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Flower colour(s):
Blue
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Weed:
No
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Monocot/Dicot:
Dicotyledonous Plants
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Exotic:
No
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Garden:
No
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Edible:
No
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Vegetable:
No
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Endemic to:
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IUCN status:
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Altitude:
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Localities:
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