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Ischaemum impressum
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Family:
POACEAE/GRAMINEAE
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Citation: Ischaemum impressum Hack. in DC., Monogr. Phan. 6: 210. 1889; Hook. f., Fl. Brit. India 7:132.1896; Sema Gopal et al., J. Econ. Tax. Bot. 28: 549. 2004.
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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:
Annual herbs; culms tufted, branched, 40-60 cm tall; nodes glabrous. Leaves: sheaths 8-9 cm long, subcompressed, glabrous, slipping from the culms; ligule membranous, oblong, 2-2.5 mm long; lower leaves petiolate, acute; lamina flat, lanceolate, 6-10 x 0.5-1.3 cm, narrowed at base, acute at apex, margin scabrid; petiole absent. Racemes 2, appressed to each other and appears solitary; rachis clavate, 4-5 mm long, hispid along the margin; callus short, beared. Seesile spikelet oblong-lanceolate, 5.5-6.5 mm long awned; lower glumes 5.5-5.8 mm long, chartaceous below, membranous above, oblong-lanceolate, with a projection in lower region and two semilunar depression above it, 7-11 nerved; nerves apically distinct, inconspicuous below, often interconnected; keels 2, winged narrowly at apex; margin inflexed from base to apex; apex bi-aristate, glabrous; upper glumes 5.5-6 mm long, firmly membranous, compressed, boat shaped, 2-4 nerved, keeled, apically winged with a tuft of hairs below the wing; acute-aristate at apex; lower lemma hyaline, oblong-lanceolate, 4.8-5 mm long, 3-nerved, muticous; palea hyaline, oblong-lanceolate, 3-3.5 mm long. Lodicule 2. Stamens 3. Lodicules 2. Stamens 3. Ovary oblong; style 3, stigma feathery. Pedicelled spikelet oblong-lanceolate, 5-5.5 mm long; pedicels triquetrous, hairy at margins, 3.3-4 mm; lower glumes chartaceous, winged at one side, apex muticous, 5 - 5.3 mm long, 2-keeled, 9-11 nerved; upper glumes thin membranous, boat shaped, 4-4.8 mm long, 3-nerved, acute at apex; lemma hyaline oblong-lanceolate, 3.8-4 mm long; palea reduced.
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Habit:
Herb
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Flowering & Fruiting:
September-December
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District(s):
Wayanad
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Medicinal:
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Habitat:
Grasslands
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Distribution:
India
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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):
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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:
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