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Datasheet for Costus erythrophyllus 'Grey Ghost'

Plant Datasheet for Costus erythrophyllus 'Grey Ghost'


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Photo# 15222 Specimen# R2257
Costus erythrophyllus 'Grey Ghost'
From cultivated,


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Photo# 12665 Specimen# R2257
Costus erythrophyllus 'Grey Ghost'
From cultivated,


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Photo# 10726 Specimen# R2257
Costus erythrophyllus 'Grey Ghost'
From cultivated,


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Photo# 10727 Specimen# R2257
Costus erythrophyllus 'Grey Ghost'
From cultivated,


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Photo# 10728 Specimen# R2257
Costus erythrophyllus 'Grey Ghost'
From cultivated,


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Photo# 10729 Specimen# R2257
Costus erythrophyllus 'Grey Ghost'
From cultivated,


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Photo# 10730 Specimen# R2257
Costus erythrophyllus 'Grey Ghost'
From cultivated,


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Photo# 10731 Specimen# R2257
Costus erythrophyllus 'Grey Ghost'
From cultivated,


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Photo# 10732 Specimen# R2257
Costus erythrophyllus 'Grey Ghost'
From cultivated,


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Photo# 10733 Specimen# R2257
Costus erythrophyllus 'Grey Ghost'
From cultivated,


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Photo# 10734 Specimen# R2257
Costus erythrophyllus 'Grey Ghost'
From cultivated,


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Photo# 10735 Specimen# R2257
Costus erythrophyllus 'Grey Ghost'
From cultivated,


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Photo# 10736 Specimen# R2257
Costus erythrophyllus 'Grey Ghost'
From cultivated,


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Photo# 10737 Specimen# R2257
Costus erythrophyllus 'Grey Ghost'
From cultivated,


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Photo# 10738 Specimen# R2257
Costus erythrophyllus 'Grey Ghost'
From cultivated,


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Photo# 10739 Specimen# R2257
Costus erythrophyllus 'Grey Ghost'
From cultivated,


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Photo# 10740 Specimen# R2257
Costus erythrophyllus 'Grey Ghost'
From cultivated,


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Photo# 10741 Specimen# R2257
Costus erythrophyllus 'Grey Ghost'
From cultivated,


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Photo# 10742 Specimen# R2257
Costus erythrophyllus 'Grey Ghost'
From cultivated,


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Photo# 10743 Specimen# R2257
Costus erythrophyllus 'Grey Ghost'
From cultivated,


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Photo# 10744 Specimen# R2257
Costus erythrophyllus 'Grey Ghost'
From cultivated,


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Photo# 10745 Specimen# R2257
Costus erythrophyllus 'Grey Ghost'
From cultivated,


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Photo# 10746 Specimen# R2257
Costus erythrophyllus 'Grey Ghost'
From cultivated,


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Photo# 10747 Specimen# R2257
Costus erythrophyllus 'Grey Ghost'
From cultivated,


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Photo# 10748 Specimen# R2257
Costus erythrophyllus 'Grey Ghost'
From cultivated,


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Photo# 10749 Specimen# R2257
Costus erythrophyllus 'Grey Ghost'
From cultivated,


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Photo# 10750 Specimen# R2257
Costus erythrophyllus 'Grey Ghost'
From cultivated,


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Photo# 10751 Specimen# R2257
Costus erythrophyllus 'Grey Ghost'
From cultivated,


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Photo# 10752 Specimen# R2257
Costus erythrophyllus 'Grey Ghost'
From cultivated,


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Photo# 10753 Specimen# R2257
Costus erythrophyllus 'Grey Ghost'
From cultivated,


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Photo# 10754 Specimen# R2257
Costus erythrophyllus 'Grey Ghost'
From cultivated,


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Photo# 10755 Specimen# R2257
Costus erythrophyllus 'Grey Ghost'
From cultivated,


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Photo# 10756 Specimen# R2257
Costus erythrophyllus 'Grey Ghost'
From cultivated,


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Photo# 10757 Specimen# R2257
Costus erythrophyllus 'Grey Ghost'
From cultivated,


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Photo# 10758 Specimen# R2257
Costus erythrophyllus 'Grey Ghost'
From cultivated,


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Photo# 10759 Specimen# R2257
Costus erythrophyllus 'Grey Ghost'
From cultivated,


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Photo# 10760 Specimen# R2257
Costus erythrophyllus 'Grey Ghost'
From cultivated,


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Photo# 10761 Specimen# R2257
Costus erythrophyllus 'Grey Ghost'
From cultivated,


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Photo# 10762 Specimen# R2257
Costus erythrophyllus 'Grey Ghost'
From cultivated,


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Photo# 10763 Specimen# R2257
Costus erythrophyllus 'Grey Ghost'
From cultivated,


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Photo# 10764 Specimen# R2257
Costus erythrophyllus 'Grey Ghost'
From cultivated,


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Photo# 10765 Specimen# R2257
Costus erythrophyllus 'Grey Ghost'
From cultivated,


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Photo# 10766 Specimen# R2257
Costus erythrophyllus 'Grey Ghost'
From cultivated,


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Photo# 10767 Specimen# R2257
Costus erythrophyllus 'Grey Ghost'
From cultivated,


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Photo# 10768 Specimen# R2257
Costus erythrophyllus 'Grey Ghost'
From cultivated,


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Photo# 11611 Specimen# R2257
Costus erythrophyllus 'Grey Ghost'
From cultivated,


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Photo# 11612 Specimen# R2257
Costus erythrophyllus 'Grey Ghost'
From cultivated,


CLICK HERE to see a description of accession #R2969 . (opens in new window).

PLANT FAMILY: Costaceae
BOTANICAL NAME: Costus erythrophyllus 'Grey Ghost'
FORMAL SCIENTIFIC NAME:
STATUS :
CONTINENT: Neotropical
SYNONYMS:


BOTANICAL NOTES:
This specimen came from the Smithsonian USBRG #1994-680; collected by J. Kress 94-5379, as C. sarzcarum; ID by Chelsea Specht first as C. varzearum, then as C. acreanus; leaves silvery / red. It differs from other forms of Costus erythrophyllus by the color of the upper side of the leaves, which are distinctively light grey in color with deep purple undersides. The bracts and flowers are similar to the more common form in cultivation. This specimen also grows somewhat taller than the common form, to about 1 to 1 1/2 meters tall. It flowers both terminally and basally as does the common form. It is also found at Lyon Arboretum, accession # 99.0136 which came from the Smithsonian. It was identified by Chelsea Specht as C. acreanus, but it clearly has appendaged bracts contrary to the description of C. acreanus. Within the currenly described species, I would place it in C. erythrophyllus.

Formerly referrred to as simply "Grey Form", I have now given this a cultivar name 'Grey Ghost'. The cultivar description is as follows: Leaves are plicate, distinctively light grey on upper sides with dark puple undersides. Long, deeply lobed ligules. Taller than common form of C. erythrophyllus, frequently flowers both basally and terminal. Bract appendages are green with purplish streaks.

Cultivar Registry Photo at http://www.gingersrus.com/Registry/Costus_GreyGhost.jpg

Per records at Smithsonian, this collection was identified by Paul Maas in 2008 as Costus varzearum. It was from a John Kress collection 94-5379, collection location not shown.

ACCESSION NOTES:
R2257 from the Smithsonian greenhouses, USBRG#1994-680. This collection has been vouchered at the UC Berkeley, Jepsen Herbarium, UC2045785.

GINGERSRUS CATALOG LISTING:
flower Note: This was previously listed simply as 'Grey Form' but I have now given it a cultivar name of 'Grey Ghost'.

This is not the typical Costus erythrophyllus form that is sometimes found in the horticultural trade. Instead of the dark green upper foliage, this one has a silvery grey color, and the dark purple undersides of the foliage contrasts beautifully with the grey green uppersides. This form also has spiraling stems instead of the stocky straight stems of the usual form. Both plants are beautiful, but this one is absolutely unique, and (I think) even more beautiful. In the picture below, I have tried to capture the unique grey-green color of the foliage contrasted against the blood red undersides. It has a really striking appearance, and everyone who sees it in my greenhouse notices it, even those who do not know much about Costus.

I have bloomed this Costus both terminally on a leafy stem, and basally on a separate stem arising from the rhizome. The inflorescense - bracts and flowers - match the botanical description of Costus erythrophyllus in every respect, so I am relatively certain this plant is simply another form from the typical one found in cultivation.

This is a shade loving Costus, and should be grown in no more than 2-3 hours of direct sun. It has not been tested for hardiness, but I am guessing that like the normal form this one will not be hardy north of zone 10, or zone 9B at best. I lost my first specimen in a small greenhouse when the temperatures there fell to the mid thirties during several nights.


Terminal Blooms

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