Humboldtia decurrens Bedd. ex Oliver - FABACEAE-CAESALPINIOIDEAE

Vernacular names : Malayalam: Kunthani, Malamthodappu, Nyanoli.

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Botanical descriptions Ecology Distribution Status Literatures

Botanical descriptions :

Habit : Trees up to 8 m tall.
Trunk & Bark : Bark greyish white; blaze brownish.
Branches and Branchlets : Branchlets terete, pubescent when young.
Leaves : Leaves compound, pinnate, alternate, distichous, pulvinate; rachis 30 cm or more long, distinctly winged; wings obcordate; stipules paired, foliaceous, to 7 (including apex) x 2 cm, lanceolate, caudate; appendage at the base of stipule oblanceolate or reniform, 4 x 5 cm; leaflets 4-6 pairs, opposite, sessile, pink or white and pendulous when young, lamina 12-32 x 6-10 cm, oblong-lanceolate, lowest pairs usually narrow ovate, apex caudate, base rounded or subcordate, margin entire, subcoriaceous; midrib impressed above; secondary_nerves ca. 12 pairs, looped; tertiary_nerves reticulate.
Inflorescence / Flower : Inflorescence short racemes, axillary or on old wood; flowers with white petals and rosy pink sepals.
Fruit and Seed : Pod thin, brown, tomentose, 5 x 2.8 cm; seeds 2-3 round, flat.

Ecology :

Understorey tree in low elevation wet evergreen forests generally between 200 and 800 m.

Distribution :

Endemic to the Western_Ghats- common in Shendurni area of Agasthyamalai and rare between Elamalai and Anamalai Regions of South Sahyadri.

Status :

Lower risk: near threatened (IUCN, 2000).

Literatures :

Hooker, Icon. Pl. 2368. 1895; Gamble, Fl. Madras 1: 411. 1997 (re. ed); Sasidharan, Biodiversity documentation for Kerala- Flowering Plants, part 6: 155. 2004.

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