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Stachytarpheta cayennensis
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Family:
VERBENACEAE
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Citation: Stachytarpheta cayennensis (Rich.) Schauer in DC., Prodr. 11: 562. 1847; N.C. Nair et al., Journ. Bombay Nat. Hist. Soc. 79:230. 1982; Mohanan, Fl. Quilon Dist. 316. 1984; Antony, Syst. Stud. Fl. Kottayam Dist. 318. 1989; Babu, Fl. Malappuram Dist. 619. 1990; Rajendran & Daniel, Indian Verbenaceae 303. 2002; Anil Kumar et al., Fl. Pathanamthitta 394. 2005; Sunil & Sivadasan, Fl. Alappuzha Dist. 566. 2009; Ratheesh Narayanan, Fl. Stud. Wayanad Dist. 643. 2009.
Stachytarpheta dichotoma auct. non (Rich.) Vahl 1804: Pradeep & Sivar., Journ. Econ. Tax. Bot. 14: 619. 1990.
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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:
Small shrub, 1-2.5 m tall, with subcylindrical, glabrous branches. Leaves opposite-decussate, ovate to elliptic, 3-6 cm long, 1.5-2.5 cm broad, serrate, cuneate, scabrous, shortly petiolate; petiole 1-1.5 cm long. Spikes elongated, up to 25 cm long, slender, glabrescent or sparsely pubescent. Flowers blue with whitish centre, c. 5 mm across, bracteate with linear-lanceolate acuminate bracts. Calyx-tube 4-5 mm long, 4-toothed, glabrous. Corolla-tube as long or slightly exceeding the calyx; limb 4-5-lobed, with lobes 1.5-2 mm long. Fruit with persistent style, splitting into two, 1-seeded pyrenes.
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Habit:
Shrub
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Flowering & Fruiting:
December-March
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District(s):
Kottayam, Alappuzha, Kollam, Pathanamthitta, Malappuram, Wayanad
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Medicinal:
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Habitat:
Waste places
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Distribution:
Native of Tropical America; now introduced into tropics and subtropics
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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):
White
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Weed:
Yes
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Monocot/Dicot:
Dicotyledonous Plants
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Exotic:
Yes
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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:
Ranni, Pampa, Mandhampatti-Mukkali, Walayar, Pookottu lake, Nedumudy, Edathwa
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