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Najas graminea
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Family:
NAJADACEAE
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Citation: Najas graminea Del., Descr. Egypte Hist. Nat. 2: 282, t. 50. 1813; Gamble, Fl. Pres. Madras 1604(1118). 1931; Manilal & Sivar., Fl. Calicut 307. 1982; Joseph, Aquatic Angiosp. Malabar 448. 1991; Sunil & Sivadasan, Fl. Alappuzha Dist. 737. 2009; Anil Kumar et al., Fl. Pathanamthitta 529. 2005.
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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:
Herbs, plants monoecious. Stems to 25 cm long, sparingly branched; internodes to 1.5 cm long. Leaves whorled, 1 2 x 0.2 cm, acicular, translucent, margins with 50-70 spiny teeth; sheaths 3-4.5 mm long, with 5-10 spines on the margins; auricles to 2 mm long, narrowly lanceolate, apex acute. Flowers 1-2 per axil, male flowers in the upper axils, female flowers through out. Male flowers: spathe absent, pedicelled; perianth-lobes 1.5-2 mm long, globose-oblong, hyaline; anthers 4-celled, c. 1.5 mm long, elliptic. Female flowers: spathe absent, subsessile, to 3 mm long; perianth - lobe closely appressed to ovary; ovary c. 2 mm long, elliptic; stigma c. 1 mm long. Fruit to 2 x 1 mm, subterete or ellipsoid; seeds small.
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Habit:
Herb
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Flowering & Fruiting:
August-September
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District(s):
Alappuzha, Pathanamthitta, Kozhikkode, Kannur
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Medicinal:
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Habitat:
Pools and streams
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Distribution:
Pantropical
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Aquatic:
Yes
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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):
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Weed:
No
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Monocot/Dicot:
Monocotyledonous Plants
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Exotic:
No
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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:
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Localities:
Adoor, Pallithode
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