Youngia nilgiriensis explained

Youngia nilgiriensis is an endangered perennial herb. It is endemic to the Sispara area of the Kundah range of the Nilgiri Hills, Tamil Nadu, South India characterised by vast stretches of grasslands interrupted by numerous sholas at an altitude of around . It is listed as an endangered species in the Red Data Book on Indian Plants.

The plant is 30- high. Radical leaves are 10cm-16cmcm (00inches-06inchescm) × 13mm30mm, oblanceolate, Iyrate-pinnatifid, acute, upper surface puberulous, lower surface glabrous; petiole long; cauline leaves: lower ones similar to radical leaves or acuminate; upper ones sessile, lanceolate, acuminate-caudate.

• Flowers are yellow. Heads are 2–4 together, about 13-flowered.
• Peduncle is 15mm long, glabrous. Involucre 8mm9mm long, glabrous, dark green.
• Corolla is 9mm10mm long; ligule 2 mm broad, dentate, 1.0–1.5 mm long; tube 2 mm long, acuminate.
• Anthers are 2 mm long; appendages 0.25 mm long, acuminate; filament 1 mm long.
• Achenes is 5 mm long, sub-compressed, apex pale and strongly attenuate, base scarcely attenuate, ribs 12–14, unequal, brown.
• Pappus is 5 mm long, 2–3 serrate, ash-grey.

References

Database of Western Ghats Flora, Sahyadri: Western Ghats Ecology and Biodiversity Environmental Information System @ CES, IISc, retrieved 6/8/2007 Species: Youngia nilgiriensis Babcock