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Datasheet for Paracostus paradoxus

Plant Datasheet for Paracostus paradoxus

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Paracostus paradoxus at Fairchild Tropical Gardens, Miami, FL Growing as epiphyte on a tree - Click to see full sized image
Photo# 11395 Accession# R0
Paracostus paradoxus at Fairchild Tropical Gardens, Miami, FL Growing as epiphyte on a tree


Paracostus paradoxus at Fairchild Tropical Gardens, Miami, FL Noted similarity to Costus talbotii - Click to see full sized image
Photo# 11396 Accession# R0
Paracostus paradoxus at Fairchild Tropical Gardens, Miami, FL Noted similarity to Costus talbotii


Paracostus paradoxus at Lyon Arboretum, Oahu, Hawaii  #95.0367  - Click to see full sized image
Photo# 12719 Accession# R0
Paracostus paradoxus at Lyon Arboretum, Oahu, Hawaii #95.0367


Paracostus paradoxus at Lyon Arboretum, Oahu, Hawaii  #95.0367  - Click to see full sized image
Photo# 12720 Accession# R0
Paracostus paradoxus at Lyon Arboretum, Oahu, Hawaii #95.0367


Paracostus paradoxus at Lyon Arboretum, Oahu, Hawaii  #95.0367 ligules - Click to see full sized image
Photo# 12721 Accession# R0
Paracostus paradoxus at Lyon Arboretum, Oahu, Hawaii #95.0367 ligules


Paracostus paradoxus, photo by John Mood              - Click to see full sized image
Photo# 17502 Accession# R0
Paracostus paradoxus, photo by John Mood


CLICK HERE for a detailed botanical description and identification key for this species (opens in new window).

PLANT FAMILY: Costaceae
BOTANICAL NAME: Paracostus paradoxus
FORMAL SCIENTIFIC NAME: Paracostus paradoxus (K.Schum.) C.Specht
STATUS :Accepted
CONTINENT: Asian
SYNONYMS:
Costus paradoxus,

BOTANICAL NOTES:
This is an accepted species name from Borneo. This species was moved from Costus to the new genus Paracostus in February 2006. Later in 2006 there were three new species described from Borneo with white flowers, and this species name was retained for the yellow flowering species. It is described in Folio Malaysiana as growing 30-70 cm tall, either solitary or in a clump of up to 8 plants with a very short or absent ligule, petiole 8-16 mm long, 2-5 leaves per plant dark green, shiny and glabrous. The inflorescence come from the rootstock or node producing a cluster of 3-5 flowers opening in succession. The bract is transparent light brown, tubular, 20-25 mm long. Bracteole is boat shaped (unicarinate?) and whitish. Calyx is transparent watery green and white at base. Corolla is whiteish and light yellow toward the labellum. Labellum described as "bright yellow to yellow, light brown stripes in the middle of the inner surface".

In 2010 I was in the Mulu National Park and saw large clumps of Paracostus, virtually colonizing an area along a stream, but they were not in flower so I cannot say whether it was P. paradoxus or the newly described P. muluensis.

KEW BORNEO PROJECT - plants collected at Brunei Darussalam, on the north-western coast of the island of Borneo. C. paradoxus K.Schum.Herb; on ground · VEG: LMDF, HDF, Secondary Forest · HAB: valley bottom; near running fresh water · GEO: Lambir formation, shale, Setap Shales · ALT: 40-150 m BEL: Labi, Rampayoh, Cowley 160; Labi, Rampayoh, Cowley 176. TEM: Amo, Batu Apoi Forest Reserve, Poulsen 400; Amo, Sg. Temburong, Coode 6521; Amo, Sg. Temburong, Wong 1965; Batu Apoi, Bt. Gelagas (Bt. Suang), Simpson 2381 · Borneo: Sarawak

ACCESSION NOTES:
R3204 from Lambir Hills, Sarawak, found on shady slope near a stream, ID uncertain, plant left with John Mood in Hawaii.


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