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KERALA PLANTS - DVD
5094 plants; 880 exotics; 100 more multiple keys for finding plants; 20,000 more plant images; 6,800 local/trade/common names and more...>>>
   
 
  Calamus rivalis
 
More images:..>> 21,000 images, 5094 plants; 880 exotics; 100 more multiple keys for finding plants; 6,800 local/trade/common names
  Family: ARECACEAE/PALMAE
  Citation:  Calamus rivalis Thw. ex Trimen, J. Bot. 23: 386. 1885; Hook. f., Fl. Brit. India 6: 441. 1893; Renuka & Sreekumar, J. Econ. Tax. Bot. 30: 277. 2006.
  Malayalam Name(s):
  Tamil name(s):
  English name(s):
  Description: Slender clustering rattans, climbing to a height of 10-15 m; stem diameter with sheath 1-2 cm, without sheath to 1 cm. Leaf-sheath green, armed with spines; spines solitary, horizontal or slightly deflexed, yellowish, 8-10 mm long, knee present; ochrea short, deciduous. Leaves 1-1.5 m long; petiole, if present, 2-3 cm long; leaflets ca 40 x 2 cm, regular, adaxilally without spines along the midvein or spinulose at the apex, ciliate beneath, middle-upwards, the margin spinulose. Inflorescence flagellate; male inflorescence ca 3 m long, partial inflorescence 20-30 cm long; rachilla ca 3 cm long; female inflorescence ca 3 m long, partial inflorescence ca 70 cm long; rachillae 5-10 on each side, terminating in a filiform, caudate appendix ca 8 cm long; fruiting perianth not pedicellate. Fruit very broadly ovoid, 11 mm long and 7-8 mm broad; scales in 21 vertical rows, not or very faintly channeled, straw yellow, violet when ripe, endosperm entire.
  Habit: Climber
  Flowering & Fruiting: Throughout the year
  District(s): Kollam
  Medicinal:
  Habitat: Restricted to plains along the backwaters and coasts, and in sacred groves
  Distribution: South India and Sri Lanka
  Aquatic: No
  Epiphyte(s): No
  Saprophyte: No
  Stem parasite: No
  Root parasite: No
  Flower colour(s): Creamy, Yellow
  Weed: No
  Monocot/Dicot: Monocotyledonous Plants
  Exotic: No
  Garden: No
  Edible: No
  Vegetable: No
  Endemic to:
  IUCN status:
  Altitude:
  Localities:
   
 
   
 
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