 Photo# 10683 Specimen# R2847 Costus erythrophyllus Specimen from Jesse Durko Nursery
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 Photo# 10684 Specimen# R2847 Costus erythrophyllus Specimen from Jesse Durko Nursery
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 Photo# 10685 Specimen# R2847 Costus erythrophyllus
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 Photo# 10686 Specimen# R2847 Costus erythrophyllus
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 Photo# 10687 Specimen# R2847 Costus erythrophyllus
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 Photo# 10688 Specimen# R2847 Costus erythrophyllus bracts, bracteoles, calyx
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 Photo# 10689 Specimen# R2847 Costus erythrophyllus bracts, not green appendages
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 Photo# 10690 Specimen# R2847 Costus erythrophyllus bracts, note green appendages
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 Photo# 10691 Specimen# R2847 Costus erythrophyllus bracteole and calyx
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 Photo# 10692 Specimen# R2847 Costus erythrophyllus bracteole and calyx
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 Photo# 10693 Specimen# R2847 Costus erythrophyllus bracteoles
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 Photo# 10694 Specimen# R2847 Costus erythrophyllus bracteoles
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 Photo# 10695 Specimen# R2847 Costus erythrophyllus calyx
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 Photo# 10696 Specimen# R2847 Costus erythrophyllus flower
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 Photo# 10697 Specimen# R2847 Costus erythrophyllus flower
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 Photo# 10698 Specimen# R2847 Costus erythrophyllus flower
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 Photo# 10699 Specimen# R2847 Costus erythrophyllus corolla lobes
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 Photo# 10700 Specimen# R2847 Costus erythrophyllus corolla lobes
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 Photo# 10701 Specimen# R2847 Costus erythrophyllus labellum and stamen
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 Photo# 10702 Specimen# R2847 Costus erythrophyllus labellum
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 Photo# 10703 Specimen# R2847 Costus erythrophyllus stamen
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 Photo# 10704 Specimen# R2847 Costus erythrophyllus stamen
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 Photo# 10705 Specimen# R2847 Costus erythrophyllus stamen
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 Photo# 10706 Specimen# R2847 Costus erythrophyllus style
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 Photo# 10707 Specimen# R2847 Costus erythrophyllus labellum
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 Photo# 10708 Specimen# R2847 Costus erythrophyllus labellum
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 Photo# 10709 Specimen# R2847 Costus erythrophyllus labellum
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 Photo# 10710 Specimen# R2847 Costus erythrophyllus labellum
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 Photo# 10711 Specimen# R2847 Costus erythrophyllus ligule
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 Photo# 10712 Specimen# R2847 Costus erythrophyllus leaves
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 Photo# 10713 Specimen# R2847 Costus erythrophyllus
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 Photo# 10714 Specimen# R2847 Costus erythrophyllus
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 Photo# 10715 Specimen# R2847 Costus erythrophyllus
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 Photo# 10716 Specimen# R2847 Costus erythrophyllus
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 Photo# 10717 Specimen# R2847 Costus erythrophyllus stamens
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 Photo# 10718 Specimen# R2847 Costus erythrophyllus stamens
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 Photo# 10719 Specimen# R2847 Costus erythrophyllus
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 Photo# 12352 Specimen# R2847 Costus erythrophyllus stigma
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 Photo# 12353 Specimen# R2847 Costus erythrophyllus stigma
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 Photo# 12354 Specimen# R2847 Costus erythrophyllus stigma
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ACCESSION #: | R2847
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IDENTIFIED AS: | Costus erythrophyllus
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LOCATION: | Le Jardin Ombragé
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SOURCE: | Plant in horticulture, origin unknown.
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DETERMINATION: | By Dave Skinner, characters match the description by Maas. Keys down to C. erythrophyllus or C. varzearum but determined by (usually) plicate leaves, longer bract appendages and longer calyx.
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GENERAL: | This specimen is the typical plant sold in the horticultural trade in the USA , a medium sized Costus with distinctive dark green, almost black foliage on the upper sides and dark purple underneath.
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RHIZOME : |
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SHEATH: | Dark purple, glabrous, 15-18 mm in diameter.
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LIGULE: | Purple, glabrous, deeply lobed, 20-22 mm long.
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PETIOLE: | Purple, glabrous, difficult to measure but about 10 mm long or more.
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LEAVES: | Dark green upper side, dark purple below, glabrous, 22-26 cm long by 10-13 cm wide, apex acuminate with acumin 3-5 mm long.
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INFLORESCENCE: | Terminal on a leafy stem or basal on a separate shoot. Ovoid
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BRACTS: | Red both sides, coverd by appendages, glabrous, 4 cm long by 3-3.5 cm wide.
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APPENDAGE: | Green with reddish streaks, glabrous, 2.5 cm long by 2 cm wide.
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BRACTEOLE: | Red, with whitish callous 8 mm long, glabrous, 3 cm long by .8 cm wide.
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CALYX: | Red with white tips, glabrous, 2 cm long by 1 cm wide.
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COROLLA: | Creamy white, glabrous, translucent, 5.5 - 6 cm long by 1.8 - 2.2 cm wide.
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LABELLUM: | Creamy white with reddish veins and 2 yellow lines in throat, glabrous, 7 cm long by 5 cm wide
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STAMEN: | Creamy white with red tip and 2 sharp lobes, glabrous, 4 cm long by 1.4 cm wide.
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STIGMA: |
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OTHER: |
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