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Bauhinia × blakeana (bow-HIN-ee-ə [cross] blayk-ee-AH-nə [2]), commonly called the Hong Kong orchid tree, [3] is a hybrid leguminous tree of the genus Bauhinia. It has large thick leaves and striking purplish red flowers.
The fruit is a seedpod 15–30 centimetres (5.9–11.8 in) long, containing several seeds. The seedpod dries completely on the tree, and when mature begins to twist into a helix or corkscrew shape, (see below), ultimately exploding open—with a very audible "clack"—to deliver its seeds into the environs.
Bauhinia trees typically reach a height of 6–12 m and their branches spread 3–6 m outwards. The lobed leaves usually are 10–15 cm across. The lobed leaves usually are 10–15 cm across. The five-petaled flowers are 7.5–12.5 cm diameter, generally in shades of red, pink, purple, orange, or yellow, and are often fragrant.
Only a handful of orchid species have seed that can germinate without mycorrhiza, namely the species within the genus Disa with hydrochorous seeds. [22] [23] Disa uniflora seedling on a sphagnum leaf, on a thumbtack. As the chance for a seed to meet a suitable fungus is very small, only a minute fraction of all the seeds released grow into ...
Bauhinia purpurea is a small to medium-size deciduous tree growing to 5.2 metres (17 ft) tall. The leaves are alternate, 10–20 centimetres (4–8 in) long and broad, rounded, and bilobed at the base and apex. The flowers are conspicuous, pink, and fragrant, with five petals. The fruit is a pod measuring 30 cm (12 in) long, containing 12 to 16 ...
Bauhinia monandra is a species of leguminous trees, of the family Fabaceae. [3] Common names include pink bauhinia, [4] orchid tree, [4] and Napoleon's plume. [4] The tree is native to Madagascar, where it is widespread in lowland humid forests and dry forests. [1]