Brown's Humboldtia
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Brown's Humboldtia
ative Photo: Shivaprakash Nedle
Common name: Brown's Humboldtia • Kannada: ಕಾಡುಅಶೋಕ Kadu ashoka, ಹಾಸಿಗೆಮರ Haasige mara
Botanical name: Humboldtia brunonis    Family: Caesalpiniaceae (Gulmohar family)

Brown's Humboldtia is a small tree, up to 10 m tall. It was named for Robert Brown, 19th century Scottish botanist. Branchlets are round and hairless. Young branchlets are angular and hairy. Leaves are compound, paripinnate, alternate. Stipules occur in pairs, lanceshaped with broad kidney-shaped leaf-like appendage at base. Rachis is short about 6 cm long, angular, obscurely winged. Leaflets are 2 pairs, almost stalkless, lower most pair just above the pulvine. Blade is 8-26 x 2-8.3 cm, narrow elliptic to oblanceolate, tip bluntly cuspidate with mucronate tip, base asymmetric, somewhat leathery, hairless. Midrib is impressed above, secondary nerves strong, about10 pairs. Flowers are showy, borne in racemes in leaf axils. They have white petals and rosy pink sepals. Pods are up to 7 x 3 cm, flat, twisted when dry, seeds flat, rounded. Brown's Humboldtia is endemic to the Western Ghats, between Wayanad and Sringeri Regions of Central Sahyadri.

Identification credit: Shivaprakash Nedle Photographed at Nekkarekadu, Karnataka.

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