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Thumbnail Sheet for NeoTropical Costus Species

Thumbnail Sheet for NeoTropical Costus Species

Neotropical Costus species may be divided into four artificial (morphological) groupings for ease in identification. Some species have bracts with leafy appendages, or the bracts curve outwards to give that appearance. Other species, the bracts are non-appendaged and the inflorescence forms a tight cone.

The general shape of the flowers is another character that can be used to group neotropical Costus species. In some species the labellums close around the stamens to produce a tubular type flower. Others produce flowers with a more open labellum.

The boundaries between these four artificial groupings are not always hard and fast but can provide a very useful start in identifying a species.

The thumbnails below are divided between these four groups:

  1. Appendaged bracts, Tubular flowers
  2. Appendaged bracts, Open flowers
  3. Non-appendaged bracts, Tubular flowers
  4. Non-appendaged bracts, Open flowers

Appendaged bracts, Tubular flowers

Click on a thumbnail image to view a full size image.
Click on the SPECIES NAME to read about the plant and see more photos of that species.
Use your "back" button to return to this thumbnail page.
Thumbnail page set to 5 columns wide.
If you want you can change the number of columns and then click "GO".
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Costus 'Green Mountain'
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Costus 'Phoenix'
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Costus 'Tico Tower'
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Costus 'Reinaldo'
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Costus aff. comosus X osae 'Firebird'


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Costus aff. lima x leucanthus
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Costus aff. productus 'Barbatus Dwarf'
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Costus barbatus
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Costus comosus
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Costus comosus cultivated form known as barbatus


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Costus comosus - maritimus form
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Costus comosus 'Cliff Dweller'
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Costus comosus var. barbatus
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Costus curvibracteatus
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Costus curvibracteatus 'Pocosol'


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Costus lima
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Costus montanus
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Costus osae
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Costus productus
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Costus productus 'Emerald Chalise'


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Costus productus 'Maroon Chalice'
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Costus ricus
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Costus sp. nov. aff. curvibracteatus

Appendaged bracts, Open flowers

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Costus 'El Whiskey'
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Costus aff. asplundii - Nangaritza form
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Costus aff. claviger - terminal flowering
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Costus aff. claviger 'Aloha'
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Costus aff. claviger 'Marco's Pride'


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Costus aff. claviger Manu form
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Costus aff. erythrophyllus
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Costus aff. guanaiensis Bilsa plicate form
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Costus aff. laevis x guanaiensis 'Carla'
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Costus asplundii


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Costus bracteatus
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Costus claviger
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Costus claviger dwarf basal flowering
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Costus erythrophyllus
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Costus erythrophyllus 'Grey Ghost'


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Costus erythrophyllus 'Silver Leaf'
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Costus guanaiensis
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Costus guanaiensis 'Atalaya Orange'
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Costus guanaiensis 'Emerald Crinkles'
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Costus guanaiensis 'MLC Red'


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Costus guanaiensis 'Sweet Charlotte'
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Costus guanaiensis var. guanaiensis
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Costus guanaiensis var. tarmicus
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Costus leucanthus
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Costus longebracteolatus


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Costus longebracteolatus aff. 'Kiss of Death'
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Costus pulverulentus 'Rancho Sunrise'
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Costus tarapotensis 'Morning Star'

Non-appendaged bracts, Tubular flowers

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Costus 'Belize Yellow'
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Costus 'Darth Vader'
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Costus 'Hot Lips'
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Costus 'Moonluster'
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Costus 'Orange Conch'


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Costus 'Peruvian Pineapple'
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Costus 'Rattler'
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Costus 'Southern Cross'
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Costus 'Tico Sunrise'
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Costus aff. beckii


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Costus aff. nitidus Monteverde
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Costus aff. pulverulentus x scaber 'Mongrel'
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Costus aff. scaber 'Twister'
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Costus aff. spiralis
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Costus aff. spiralis 'Tropicais'


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Costus chartaceus
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Costus cordatus
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Costus erythrocoryne
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Costus erythrothyrsus
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Costus geothyrsus


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Costus lasius
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Costus nitidus
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Costus plicatus
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Costus plowmanii
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Costus pulverulentus


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Costus pulverulentus
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Costus pulverulentus
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Costus pulverulentus 'Pink Lips'
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Costus pulverulentus 'Purple Passion'
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Costus scaber


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Costus scaber
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Costus scaber
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Costus scaber Indian Head form
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Costus scaber Osa Thin Stem Form
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Costus spicatus


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Costus spiralis
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Costus spiralis var. villosus
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Costus stenophyllus
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Costus vargasii
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Costus vargasii 'Raspberry Yogurt'


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Costus vinosus
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Costus wilsonii
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Costus woodsonii dwarf form

Non-appendaged bracts, Open flowers

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Costus 'California Dreaming'
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Costus 'Jungle Jerry'
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Costus 'Mellow Yellow'
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Costus 'Pink Panther'
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Costus 'Red Baron'


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Costus aff. laevis 'Lemon Chiffon'
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Costus aff. laevis 'Lita Red'
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Costus aff. laevis 'Tulipe'
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Costus aff. pictus 'San Francisco Red'
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Costus allenii


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Costus allenii
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Costus allenii Santa Fe form
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Costus amazonicus subsp. amazonicus
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Costus amazonicus subsp. krukovii
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Costus arabicus


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Costus arabicus in variegated form
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Costus dirzoi
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Costus glaucus
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Costus laevis (skutchii form)
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Costus laevis Lyon #80 0702


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Costus malortieanus
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Costus pictus
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Costus pictus 'Hieroglyphics'
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Costus pictus Insulin Plant
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Costus pictus red stemmed form



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