Pterospermum rubiginosum Heyne - STERCULIACEAE


Vernacular names : Malayalam: Chittilaplavu, Ellooti, Malamthodali.

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Botanical descriptions Ecology Distribution Literature

Botanical descriptions :

Habit : Large trees up to 28 m tall.
Trunk\bark : Bark brown, large flaky or exfoliating; blaze outer bark red and inner cream.
Branchlets : Young branchlets slender, terete, tawny pubescent and stellate hairy.
Leaves : Leaves simple, alternate, distichous; stipules lateral, with two linear subulate appendages, densely stellate tomentose, caducous; petiole ca. 0.1 cm long, terete, stellate tomentose; lamina 4.5-10 x 1.5-3 cm, narrow oblong-lanceolate, apex acuminate, base asymmetric often subpeltate, margin entire, chartaceous, tawny pubescent and stellate hairy; midrib flat above; 3-nerved at base; secondary_nerves 5-7 pairs, ascending; tertiary_nerves reticulo-percurrent.
Flowers : Flowers white, solitary, axillary; pedicels up to 0.5 cm long.
Fruit& seed : Capsule brown, 5-angled, 5 x 1.3 cm, glabrous; seeds winged at one end.

Ecology :

Canopy trees in evergreen forests up to 900 m.

Distribution :

Endemic to the Western_Ghats- South and Central Sahyadris (up to Coorg Region).

Literature :

Wight & Arn., Prodr. 68. 1834; Gamble, Fl. Madras 1: 109. 1997 (re. ed); Sasidharan, Biodiversity documentation for Kerala- Flowering Plants, part 6: 59. 2004; Saldanha, Fl. Karnataka 1: 235.1984.

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