Botanical name: Begonia oyuniae Family: Begoniaceae (Begonia family)
Oyun's Begonia is a newly discovered (2020) Begonia, named for Mrs Oyun Taram, mother of one of the discoverers. It is a small tuberous herb with two crescent-shaped stigmas, two-celled fruit and an asymmetric androecium. Leaves are 1-2, leaf-stalk channelled above, transparent, greenish white, 3-15 cm x 2-6 mm, hairless; leaf blade ovate-lanceshaped, base heart-shaped, symmetric to nearly so, margin blunt-wavy to pointedly lobed, 6-7-8 palmate, 7-16.5 x 3.5-14.5 cm, membranous, fleshy, above light green. Inflorescences arising from the leaf-stalk, bisexual, 4-19 cm long, whitish green, on flower-cluster-stalk 2.5-11 cm long, branched up to 4 times, a raceme of cymes, erect. Male flowers: flower-stalk 0.4-1.2 cm long, hairless, tepals 4, white transparent, outer 2 obovate, 7-11 x 6 mm wide, hairless; inner ones 2, narrowly obovate.Female flowers: flower-stalk 0.4-0.6 cm long, ovary pale green, locular part excluding wings ellipsoid, 6 x 3 mm, 3-winged, wings unequal, longest wing 9 x 5 mm, ovate, smallest wing 2 mm, tepals 5-6, elliptic-obovate, nearly equal, 6-9 x 3-6 mm, white, hairless; styles 2, free, stigmas crescent-shaped. Fruit is a curved capsule, pale green, wings strongly unequal, lateral wings ending at the middle of the capsule, hoodlike, about 5 x 3 mm; medial wing 1.2 × 1.8 cm. Capsule is recurved when mature with the two smaller wings forming a splash cup. Oyun's Begonia is endemic to Arunachal Pradesh, at altitudes of 180-400 m. Flowering: April-September.
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The flower labeled Oyun's Begonia is ...