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  Leucas lavandulifolia
  Citation:  Leucas lavandulifolia J.E. Smith in Rees, Cyclop. 20: n. 2. 1812; Mohanan, Fl. Quilon Dist. 323. 1984; V. Singh, Monogr. Indian Leucas 104. 2001; Ratheesh Narayanan, Fl. Stud. Wayanad Dist. 655. 2009. Leonurus indicus L., Syst. Nat. (ed.10) 1101. 1759. Leucas indica (L.) R. Br. ex Vatke in Oesterr., Bot. Zeits. 25: 95. 1875, nom. illeg.; Ansari, Fl. Kasaragod Div. 307. 1985; Ramach. & V.J. Nair, Fl. Cannanore Dist. 366. 1988; Vajr., Fl. Palghat Dist. 378. 1990; M. Mohanan & Henry, Fl. Thiruvanthapuram 367. 1994; Subram., Fl. Thenmala Div. 287. 1995; Sasidh. et al., Bot. Stud. Med. Pl. Kerala 11,17. 1996; Sasidh. & Sivar., Fl. Pl. Thrissur For. 361. 1996; Sasidh., Fl. Shenduruny WLS 249. 1997; Swarup. et al., Shola For. Kerala 55. 1998; Sasidh., Fl. Periyar Tiger Reserve 320. 1998; Sasidh., Fl. Chinnar WLS 250. 1999; Mohanan & Sivad., Fl. Agasthyamala 534. 2002; Anil Kumar et al., Fl. Pathanamthitta 401. 2005; Sunil & Sivadasan, Fl. Alappuzha Dist. 579. 2009. Leucas malabarica W.Theob. in F.Mason, Burmah ed. 3, 2: 296. 1883. Phlomis linifolia Roth, Nov. Pl. Sp. 260. 1821. Leucas linifolia (Roth) Spreng., Syst. Veg. 2: 743. 1825; Hook. f., Fl. Brit. India 4:690. 1885; Gamble, Fl. Pres. Madras 1149 (803). 1924. Leucas linifolia (Roth) Spreng. var. decipiens Hook. f., Fl. Brit. India 4: 691. 1885. Leucas lavandulifolia Rees var. decipiens (Hook.f.) Chandrab. & Sriniv., Bull. Bot. Surv. India 17: 164. 1975. Leucas indica var. decipiens (Hook.f.) Bennet, J. Econ. Taxon. Bot. 5: 452. 1984.
  Malayalam Name(s): Rudraspushpam, Thumba
  Tamil name(s):
  English name(s):
  Description: Auunal herbs, to 40 cm tall; branches puberulous. Leaves simple, opposite, 4-7 x 0.6-1.3 cm, linear-lanceolate, apex acute, base attenuate, margin subentire, hairy on veins and on margins; petiole 4-5 mm long. Flowers in dense axillary verticals; bract 5-6 mm long, linear, hairy. Calyx tube 4-5 mm long, tubular, slightly curved, pubescent, shortly 8-toothed, one slightly longer, mouth oblique. Corolla white; tube 2-3 mm long, 2-lipped; upper lip 1-2 mm long, lower 5-6 mm long, 3-lobed. Stamens 4, didynamous; filaments sparsely hairy. Ovary 4-celled; ovules 4; stigma 2-fid. Nutlets 4, minute.
  Habit: Herb
  Flowering & Fruiting: July-October
  District(s): All Districts
  Medicinal: Yes
  Habitat: Rocky areas in moist and dry deciduous forests, also in the plains
  Distribution: Indo-Malesia and East Asia
  Aquatic: No
  Epiphyte(s): No
  Saprophyte: No
  Stem parasite: No
  Root parasite: No
  Flower colour(s): White
  Weed: No
  Monocot/Dicot: Dicotyledonous Plants
  Exotic: No
  Garden: No
  Edible: No
  Vegetable: No
  Endemic to:
  IUCN status:
  Altitude: 300-700
  Localities: Peechi, Umiyar, Alampetty, Uppupara, Koruthode, Adoor, Ezhimala, Manantody, Tellicherry, Taliparamba, Dhoni R. F., Aruvampara, Kasaragod, Chengannur, Thenmalai, Kompa
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