Two tropical slipper orchids

Here are two spring/summer-blooming slipper orchid species–one with somewhat grotesque flowers and the other more attractive–that are part of a group of species and hybrids often recommended to novice orchid growers.  As understory plants from low to moderate altitude in southeast Asia, they grow well as houseplants on the windowsills of warm, centrally heated homes.

Paphiopedilum superbiens var. curtisii

Paph_curtisii

This species from Sumatra is noted for its large, dark pouch and relatively short petals liberally sprinkled with small warts.  Although the flower of P. superbiens is rather ungainly, the tessellated leaves are particularly striking, with rectangular dark sectors on a pale, almost white background.

Paph_curtisii-foliage

Paphiopedilum cf. callosum

Paph_callosum

I purchased this plant as Paphiopedilum sukhakulii, but when it bloomed it was clear that it had been mislabeled.  In a genus that has been as intensively hybridized as Paphiopedilum, it can be very difficult to identify mislabeled plants, but this flower bears all the hallmarks of P. callosum, a well-known species from Malaysia, Thailand, Laos, Cambodia, and Vietnam.  P. callosum is a parent of P. Maudiae (P. callosum x P. lawrenceanum), one of the best known and widely grown of all orchid hybrids.  The Maudiae-type hybrids, as the offspring of P. callosum and its close relatives are collectively known, were once exotic plants for orchid hobbyists to treasure but are now widely sold as disposable houseplants in garden centers and supermarkets.  They come in a variety of shapes and colors, but I think the original P. callosum, with its downswept petals and large dorsal sepal, has a grace and elegance that is often lacking in its mass-produced offspring.

2 thoughts on “Two tropical slipper orchids

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