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Alnus nepalensis
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Family:
BETULACEAE
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Citation: Alnus nepalensis D.Don, Prodr. Fl. Nepal. 58. 1825; Hook. f., Fl. Brit. India 5: 600. 1888.
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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:
Deciduous trees; branchlets glabrous, spreading, winter buds stalked. Leaves simple, alternate, stipulate; stipules free, sheathing, caducus; petiole 7-30 mm long, glabrous, stout, swollen at base, grooved above; lamina 7.5-20 x 5-10.2 cm, elliptic, ovate-oblong; base acute or oblique; apex acute; margin entire, glabrous, glaucous beneath, coriaceous; lateral nerves 10-18 pairs, pinnate, prominent; intercostae scalariform. Flowers unisexual, green; male flowers in 10-25.5 mm long spikes in terminal drooping panicle, flowers in clusters of 6-12; bracts 3-flowered, with 3-5 adnate bracteoles; perianth 4 lobed; stamens 4, mixed with ciliate scales under each bracts; anthers subsessile; female flowers in short erect spikes, 6 mm long, flowers pendulous, bracteoles 2-4, minute; perianth absent; ovary 2-celled, superior; ovule 1 in each cell; styles 2, stigma producing beyond bracteoles. Fruit a strobilate spike, bracts persistent, 1.5-2 x 0.7-1 cm, woody, oblong, bracts persistent, seeds winged, 4 x 3 mm, surmounted by the persistent style.
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Habit:
Tree
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Flowering & Fruiting:
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District(s):
Idukki
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Medicinal:
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Habitat:
Raised in plantations in the High Ranges
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Distribution:
Himalaya and China
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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):
Green
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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:
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Localities:
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