Flora of the Nilgiris

Family : Dioscoreaceae
Flora of Nilgiri Biosphere (Eastern Nilgiri Biosphere Reserve)
Flora of Nilgiri Biosphere (Northern Nilgiri Biosphere Reserve)

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Dioscorea tomentosa J. Koenig ex Sprengel

Leaf arrangement

Alternate distichous

Leaf Type

Variable Upper leaves simple. Mostly 3 foliate, 5-6 foliate below

Leaf Shape

Ovate, Elliptic

Leaf Apex

Acute

Leaf Base

Acute

Leaf Margin

Entire

Habit : A spreading vine.

Habitat and Distribution : Occasional on slopes by forest borders, less in the plains. Foothills to 1400m. Found across the Indian subcontinent.

Indigenous Information : Eating the cooked tuber is believed to help clean the digestive system and also promote hair growth. The tubers is steamed or roasted before eating. Tuber eaten by wild boar.

Field Tips : Branchlets twining to the left, tomentose, rarely prickled. Leaves densely tomentose.

 

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Names:


Irula : Nurai
Tamil : Nalvaelikizhangu, Shaval Kilangu

Malayalam : Inthi kachchil, Nuli, Chavu, Pindi

Flower:

In axillary spikes, purplish. Flowering from July-October.

Fruit :

A capsule, cuneately oblong, winged, fruits downy, eventually becoming glabrous. Seeds 3, obovoid, apically winged. Fruiting August-November.

All from Dioscoreaceae
Flora of Nilgiri Biosphere (Eastern Nilgiri Biosphere Reserve)
Flora of Nilgiri Biosphere (Northern Nilgiri Biosphere Reserve)