Yellow Rose-Mallow is a shrub, 1-1.5 m tall; stems
nearly hairless; leaves simple, alternately arranged, ovate, nearly round,
6-10 cm, leaf tip pointed, base concave, heart-shaped, margin
shallowly sawtoothed. The lower surface of the leaves is hairy. The
base of leaves have an ovoid gland, hence the species name. The flowers
are bright yellow, borne at the tip of branches, 6-12 cm long. The
bracts are oval. The flowers in full bloom are about 10 cm wide, with
decorative stripes. Sepals are 5, and the 5 petals are arranged in a
overlapping spiral, the base is connected. The center of the flower
has a dark purple streak, and many stamens connected in a tube.
The fruit is
spindle-shaped, 2 cm wide, up to 3 cm long. The mature fruit is split
longitudinally. Seeds are small, kidney-shaped. Yellow Rose-Mallow is
native to Cambodia, Laos, Thailand, Vietnam.
Identification credit: Kalyan Brata Santra
Photographed in Bankura District, West Bengal.
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The flower labeled Yellow Rose-Mallow is ...