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  Senna alexandrina
 
  Family: FABACEAE/LEGUMINOSAE (Subfam.: Caesalpinioideae)
  Citation:  Senna alexandrina Mill., Gard. Dict. (ed. 8). 1. 1768; V. Singh, Monogr. Indian Subtribe Cassiinae 104. 2001. Cassia senna L., Sp. Pl. 377. 1753, excl. var. Cassia medica Forssk., Fl. Aeg.-Arab. 271. 1775, nom. nud. non Vell. 1825. Cassia angustifolia Vahl, Symb. Bot. 1: 20. 1790; Hook. f., Fl. Brit. India 2: 264. 1878.
  Malayalam Name(s): Chunnamukkiyila, Sunnamukkiyila
  Tamil name(s):
  English name(s): Alexandrian Senna, Bombay Senna, Indian Senna, Tinnervelly Senna
  Description: Herbs or shrubs, 0.5-2 m high; branchlets sparsely appressed pubescent. Leaves alternate, rachis (including petiole) 4-9 cm long, pubescent, eglandular; gland-like finger-shaped bodies present between the pairs of leaflets; leaflets 4-8 pairs, 1-4 x 0.3-0.9 cm, elliptic-lanceolate, acute, appressed pubescent; stipules 1.5-2 mm long, linear-lanceolate, acute, appressed pubescent; stipules 1.5-2 mm long, linear-subulate or somewhat ovate. Racemes 10-22 cm long, axillary and terminal, longer than leaves; pedicels up to 10 mm long, thickened upwards, pubescent, deflexed in fruit. bracts ca 1 cm long, boat-shaped, acute, glabrous. Sepals 7-9 mm long, obtuse, glabrous. Petals yellow, 1-1.5 cm long. Fertile stamens 7; of which 2 anthers ca 1 cm long and falcate, one ca 4.5 mm long and straight, four 3-4 mm long and staright; staminodes 3. Ovary strigose; stigma punctiform. Pods 4-5.2 x 2 cm, oblong, straight or upwardly slightly falcate, flat, shallowly elevated over the seeds, transversely septate, sparsely appressed pubescent, reticulately veined, dehiscent; seeds 5-8, each 5-6 x 3 mm, obovate-oblong, narrowed at hilum end, testa reticulately worted or rugose; areole ca 2.5 mm long, more towards hilum end, on both faces.
  Habit: Shrub
  Flowering & Fruiting: Throughout the year
  District(s): Idukki, Malappuram
  Medicinal: Yes
  Habitat: Occasionally grown as medicinal plants
  Distribution: Native of Tropical Africa
  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:
  Localities:
   
 
   
 
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