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Senna hirsuta
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Family:
FABACEAE/LEGUMINOSAE (Subfam.: Caesalpinioideae)
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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.
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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:
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.
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Habit:
Shrub
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Flowering & Fruiting:
September-December
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District(s):
All Districts
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Medicinal:
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Habitat:
Degraded forests also in the plains
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Distribution:
Native of Tropical America
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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):
Yellow
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Weed:
No
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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:
300-700
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Localities:
Vazhachal, Palapetty, Thekkady, Sungam, below Punnamala, Tiruvalla, Adoor, Taliparamba, Olavakkot, Palgapandi estate, Kallar, Chengannur, Nedumkayam, Koviltherimala
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