This is close look at the rare Impatiens clavicalcar, a terrific species discovered in rain forests in central Africa.  Its unusual blooms have a close resemblance to my Parrot Impatiens, except they are all yellow, with flaring, white petals.  This is a highly attractive collector's plant that would make a great show plant.  Unfortunately it has become endangered and is either close to extinction or extinct in the wild.  I don't know anyone else currently offering it.

Impatiens clavicalcar is a perennial species that typically grows 18 to 24 inches tall.  It has an upright, tree-like shape and rigid stems, similar to the other "Parrot Impatiens", except its stems are green instead of brown.  It blooms practically all year long!  The large flowers appear in clusters that emerge straight off the main stem, instead of from the new growth like many Impatiens.  The bright blooms could be described as seahorse-shaped and are 1½ inches tall.  This species can cross-breed with the original Parrot Impatiens to create great, new hybrids, and will probably cross with a few other related Impatiens too.

It grows well between about 55 and 80 degrees F (13-27°C).  I haven't tested it outside that temperature range and recommend caution if you do, since it comes from a mild climate.  I suspect that hot days with warm nights might stress it, as well as cold conditions.  It grows well in a pot in bright, filtered light  Protect it from strong afternoon sun.  Like most Impatiens, it enjoys fertile, well-draining soil that's kept evenly moist.  Since it comes from rain forests, it appreciates humidity over 50%.  In the right conditions, it is easy to grow.

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