Thumbnail Sheet for Dimerocostus, Monocostus and Paracostus

Dimerocostus is a neotropical genus with five species (as proposed for publication in 2023) distributed from Costa Rica to Bolivia. There are two basic forms of the flowers - a "hooded" form where the central corolla lobe extends out over the labellum making a hood, and the wide labellum form that has a broad and flat labellum. It is difficult to distinguish the yellow-flowering plants from a just a photo of the inflorescence, so it is best to click on the species name to understand how that species is distinguished from the others.

Monocostus is another neotropical genus with only one species. M. uniflorus is widely cultivated but is rare in the wild, endemic to the region around Tarapoto in northern Peru.

Paracostus is mostly found on the island of Borneo, but one species is in Africa. I do not have photos of all of the species, so I have substituted a dummy thumbnail.


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Dimerocostus species

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Dimerocostus appendiculatus from near type locality 40 km northeast of Iquitos, Peru - Click to see full sized image
Photo# 359 PID # 4012
Dimerocostus appendiculatus
former D. strobilaceus subsp. appendiculatus


Dimerocostus appendiculatus from near type locality 40 km northeast of Iquitos, Peru - Click to see full sized image
Photo# 360 PID # 4012
Dimerocostus appendiculatus
former D. strobilaceus subsp. appendiculatus


Dimerocostus argenteus, photo by Skinner, Department Huanuco, Peru - Click to see full sized image
Photo# 362 PID # 3310
Dimerocostus argenteus


Dimerocostus cryptocalyx, photo by Carla Black - Click to see full sized image
Photo# 367 PID # 7497
Dimerocostus cryptocalyx


Dimerocostus rurrenabaqueanus, photo by Skinner at Waimea Arboretum and Botanical Garden, Hawaii - Click to see full sized image
Photo# 373 PID # 4325
Dimerocostus rurrenabaqueanus
former D. strobilaceus subsp. gutierrezii


Dimerocostus strobilaceus, Skinner R3239, from Anchicaya, Colombia - Click to see full sized image
Photo# 374 PID # 3760
Dimerocostus strobilaceus
former D. strobilaceus subsp. strobilaceus


Monocostus species

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Monocostus uniflorus, cultivated plant Skinner R3171 - Click to see full sized image
Photo# 385 PID # 2445
Monocostus uniflorus


Monocostus uniflorus, cultivated plant Skinner R3171 - Click to see full sized image
Photo# 386 PID # 2445
Monocostus uniflorus


Monocostus uniflorus, cultivated plant Skinner R3171 - Click to see full sized image
Photo# 387 PID # 2445
Monocostus uniflorus


Paracostus species

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No Image Available - Click to see full sized image
Photo# 594 PID # 7499
Paracostus bullatus


No Image Available - Click to see full sized image
Photo# 595 PID # 7500
Paracostus eburneus


Paracostus englerianus in cultivation - Click to see full sized image
Photo# 596 PID # 3598
Paracostus englerianus


No Image Available - Click to see full sized image
Photo# 597 PID # 7501
Paracostus muluensis


Paracostus paradoxus in habitat - Click to see full sized image
Photo# 598 PID # 3605
Paracostus paradoxus