 Photo# 12028 Specimen# R2266 Costus tappenbeckianus From cultivated,
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 Photo# 12029 Specimen# R2266 Costus tappenbeckianus From cultivated,
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 Photo# 12030 Specimen# R2266 Costus tappenbeckianus From cultivated,
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 Photo# 12031 Specimen# R2266 Costus tappenbeckianus From cultivated,
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 Photo# 12032 Specimen# R2266 Costus tappenbeckianus From cultivated,
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 Photo# 12033 Specimen# R2266 Costus tappenbeckianus From cultivated,
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 Photo# 12034 Specimen# R2266 Costus tappenbeckianus From cultivated,
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 Photo# 12035 Specimen# R2266 Costus tappenbeckianus From cultivated,
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 Photo# 12036 Specimen# R2266 Costus tappenbeckianus From cultivated,
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 Photo# 12037 Specimen# R2266 Costus tappenbeckianus From cultivated,
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 Photo# 12038 Specimen# R2266 Costus tappenbeckianus From cultivated,
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 Photo# 12039 Specimen# R2266 Costus tappenbeckianus From cultivated,
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 Photo# 12040 Specimen# R2266 Costus tappenbeckianus From cultivated,
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 Photo# 12041 Specimen# R2266 Costus tappenbeckianus From cultivated,
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 Photo# 12042 Specimen# R2266 Costus tappenbeckianus From cultivated,
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 Photo# 12043 Specimen# R2266 Costus tappenbeckianus From cultivated,
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 Photo# 12044 Specimen# R2266 Costus tappenbeckianus From cultivated,
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 Photo# 12045 Specimen# R2266 Costus tappenbeckianus From cultivated,
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 Photo# 12498 Specimen# R2266 Costus tappenbeckianus From cultivated,
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 Photo# 12499 Specimen# R2266 Costus tappenbeckianus From cultivated,
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 Photo# 12500 Specimen# R2266 Costus tappenbeckianus From cultivated,
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 Photo# 12501 Specimen# R2266 Costus tappenbeckianus From cultivated,
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 Photo# 12046 Specimen# R0 Costus tappenbeckianus at Selby Botanical Gardens, Sarasota, FL terminal flower
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 Photo# 12047 Specimen# R0 Costus tappenbeckianus at Selby Botanical Gardens, Sarasota, FL
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 Photo# 12048 Specimen# R0 Costus tappenbeckianus at Selby Botanical Gardens, Sarasota, FL
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 Photo# 12049 Specimen# R0 Costus tappenbeckianus at Selby Botanical Gardens, Sarasota, FL basal flowers
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 Photo# 12050 Specimen# R2266 Costus tappenbeckianus From cultivated,
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 Photo# 12051 Specimen# R2266 Costus tappenbeckianus From cultivated,
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 Photo# 12840 Specimen# R0 Costus tappenbeckianus at Waimea Audubon Center, Oahu, Hawaii #77P312
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CLICK HERE for a detailed botanical description and identification key for this species (opens in new window). CLICK HERE to see a description of accession #R2266 . (opens in new window).
PLANT FAMILY: Costaceae BOTANICAL NAME: Costus tappenbeckianus FORMAL SCIENTIFIC NAME: Costus tappenbeckianus J.Braun & K.Schum. STATUS :Accepted CONTINENT: African SYNONYMS: Costus pauciflorus K.Schum. (1892), Costus radicans Gagnep. (1903), Costus nemotrichus K.Schum. (1904), Costus phaeotrichus Loes. (1909),
BOTANICAL NOTES: This African species is recognized in Paul Maas' monograph on African Costaceae, published on 16 December 2016. (Monograph of African Costaceae, H. Maas-van de Kamer, P.J.M. Maas, J.J. Wieringa, C.D. Specht, Blumea 61, 2016: 280 - 318, http://www.ingentaconnect.com/content/nhn/blumea/2016/00000061/00000003/art00010)Costus described in 1904 by Schumann. The African Plant Database lists this species as accepted. Biology : Rhizomatous perennial herb with leafy shoots 17-35 cm tall Ecology : Swampy or humid open forest; 800 m alt.
Flora of Tropical Africa, 1898 - describes this species,
W3Tropicos - http://mobot.mobot.org/W3T/Search/pick.html - Costus tappenbeckianus Braun-Blanq. & K. Schum.;Author(s): ORSTOM Date: 1988 Publication: List of Vascular Plants of Gabon with Synonymy Lists C. radicans and C. pauciflorus as synonyms.
ACCESSION NOTES: My accession R2266 is from Smithsonian, USBRG#1994-682. This collection has been vouchered at the UC Berkeley, Jepsen Herbarium, UC2045783. I also received a plant of this species from John Banta, R2991. GINGERSRUS CATALOG LISTING:
Here is another African Costus species that is seldom found in cultivation and I have never seen it for sale in the US. It is a medium sized Costus, with thin spiraling stems and small dark green glossy leaves. It flowers both at the base of the plant and on the terminal ends of the long leafy stems. The bracts are almost a brownish color, but the flowers are lavendar pink, similar looking to the flower of Costus mosaicus. Like Costus mosaicus, it blooms in the late spring.
I have not tested it for winter hardiness here, and I doubt it is hardy anywhere colder than zone 10 or 9 B at best. Fortunately, also like Costus mosaicus, it is compact enough to be grown in pots and overwintered in a greenhouse or sun room.
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