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  Senna hirsuta
 
  Family: FABACEAE/LEGUMINOSAE (Subfam.: Caesalpinioideae)
  Citation:  Senna hirsuta (L.) Irwin & Barneby, Phytologia 44: 499. 1979; V. Singh, Monogr. Indian Subtribe Cassiinae 137. 2001; Sasidh., Fl. Parambikulam WLS 108. 2002; Ratheesh Narayanan, Fl. Stud. Wayanad Dist. 328. 2009. Cassia hirsuta L., Sp. Pl. 378. 1753; Hook. f., Fl. Brit. India 2: 263. 1878; Gamble, Fl. Pres. Madras 401(284). 1919; Manilal & Sivar., Fl. Calicut 97. 1982; Ansari, Fl. Kasaragod Div. 143. 1985; Antony, Syst. Stud. Fl. Kottayam Dist. 144. 1989; Manilal, Fl. Silent Valley 91. 1988; Babu, Fl. Malappuram Dist. 219. 1990; Vajr., Fl. Palghat Dist. 181. 1990; Sanjappa, Legumes Ind. 15. 1992; M. Mohanan & Henry, Fl. Thiruvanthapuram 165. 1994; Sasidh. & Sivar., Fl. Pl. Thrissur For. 163. 1996; Sivar. & Mathew, Fl. Nilambur 233. 1997; Sasidh., Fl. Periyar Tiger Reserve 121. 1998; Sasidh., Fl. Chinnar WLS 112. 1999; Mohanan & Sivad., Fl. Agasthyamala 230. 2002; Anil Kumar et al., Fl. Pathanamthitta 198. 2005; Sunil & Sivadasan, Fl. Alappuzha Dist. 254. 2009.
  Malayalam Name(s):
  Tamil name(s):
  English name(s):
  Description: Erect undershrubs, densely hirsute all over. Leaves to 18 cm long, usually with 3-5 pairs of leaflets; leaflets 3.5-6 x 2-3.5 cm, ovate or elliptic, apex acuminate, base rounded, silky hairy on both sides; rachis 8-12 cm long, a large black gland on the rachis just below the lowest leaflets; stipules 5-8 mm long, linear-lanceolate. Flowers yellow, c.1.5 cm across, in axillary and terminal few-flowered racemes; pedicels 1-1.4 cm long; bracts linear. Sepals 5, 5-8 mm long, oblong, densely hairy without. Petals 5, 0.8-1 cm long, obovate, obtuse. Stamens 10 , unequal, 6 or 7 fertile. Ovary 2-2.5 mm long, tomentose; ovules many; style glabrous. Pods 10-15 x 0.6-0.8 cm, linear, subterete, curved, densely hirsute; seeds many, c. 3 x 2.5 mm, orbicular, compressed, light brown.
  Habit: Shrub
  Flowering & Fruiting: September-December
  District(s): All Districts
  Medicinal:
  Habitat: Degraded forests also in the plains
  Distribution: Native of Tropical America
  Aquatic: No
  Epiphyte(s): No
  Saprophyte: No
  Stem parasite: No
  Root parasite: No
  Flower colour(s): Yellow
  Weed: No
  Monocot/Dicot: Dicotyledonous Plants
  Exotic: Yes
  Garden: No
  Edible: No
  Vegetable: No
  Endemic to:
  IUCN status:
  Altitude: 300-700
  Localities: Vazhachal, Palapetty, Thekkady, Sungam, below Punnamala, Tiruvalla, Adoor, Taliparamba, Olavakkot, Palgapandi estate, Kallar, Chengannur, Nedumkayam, Koviltherimala
   
 
   
 
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