Iron Cross Begonia is a very popular begonia in
cultivation. Its common name comes from the oval leaves which have a
brown "iron cross" pattern, similar to that displayed on shields.
Leaves have a very attractive blistered texture. Flowers are borne in
leaf-axils, on flower-cluster-stalk 10-54 cm. Flower-stalk are 5-14 mm.
Flowers are 20-100 in a dichasial cyme. Male flower: tepals 4, outer 2
broadly ovate or nearly round, 5-11 × 6-12 mm, inner 2 oblong, 5-8 ×
2-4.5 mm. Female flowers: tepals 3, outer 2 broadly ovate,
oblong-obovate or nearly round, 8-12 x 7-13 mm, tip rounded, inner 1
oblong or obovate, 5-7.5 × 2-4.5 mm, tip blunt. Capsules are nodding,
oblong to ellipsoid, 9-13 × 5-6 mm, reddish, glandular bristly,
unequally 3-winged, largest wing obliquely crescent-shaped or
strap-shaped, 4-9 mm. Iron Cross Begonia is native to Vietnam,
initially thought to originate in China. Flowering: March-September.
Identification credit: Saroj Kasaju
Photographed in Kalimpong, West Bengal.
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The flower labeled Iron Cross Begonia is ...