Costus laevis Podocarpus Form
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Yes, I believe this is Costus laevis - the REAL Costus laevis.
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The upper leaves sheath the inflorescence and nearly completely hide it even when mature.
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Only a bird's (or bee's) eye view shows there are flowers.
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Unless of course you turn down the leaves to unveil what is underneath.
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This is a HUGE plant as shown here with Marco and Marco Jr. This location was along the entrance road to Podocarpus National Park.
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Once you clean away the old decayed flowers that were held there by the sheathing upper leaves, you can see the bracts and a fresh flower more clearly.
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Yes, the inflorescence is also HUGE as shown here next to a 15 cm scale.
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The flowers are rather pretty once cleaned up a bit.
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As someone else noted, they are a bit reminiscent of the flowers of Costus erythrothyrsus.
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Bracts, bracteoles and calyx exposed here.
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The flower nearly 9 cm long.
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A composite of the flower parts.
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Interior of the labellum.
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Exterior of the labellum with the corolla removed.
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The corolla lobes and stamen.
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The stigma with the normal anchoring lobes.
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Ligules and petioles - long as in C. laevis.
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Another plant found inside the park. This species and form was common there, and we saw it a few other places surrounding Zamora at the lower altitudes, 900 to 1200 meters.
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The leaves enirely glabrous, upper ....
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and lower.
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The young plants had the deep purple undersides to the leaves as in the Central American plants known by the same species name.
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And here are father and son, Marco Jimenez, posing with another plant.
Copyright 2015 - Dave Skinner

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