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|status = CR
|status = CR
|status_system = IUCN3.1
|status_system = IUCN3.1
|status_ref = <ref>Bruegmann, M.M. & Caraway, V. 2003. [http://www.iucnredlist.org/search/details.php/30927/all ''Gardenia brighamii'']. [http://www.iucnredlist.org 2010 IUCN Red List of Threatened Species. ] Downloaded on 25 March 2011.</ref>
|status_ref = <ref>Bruegmann, M.M. & Caraway, V. 2003. [http://www.iucnredlist.org/search/details.php/30927/all ''Gardenia brighamii'']. [http://www.iucnredlist.org 2010 IUCN Red List of Threatened Species. ] {{wayback|url=http://www.iucnredlist.org |date=20140627000000 }} Downloaded on 25 March 2011.</ref>
|regnum = [[Plant]]ae
|regnum = [[Plant]]ae
|unranked_divisio = [[Flowering plant|Angiosperms]]
|unranked_divisio = [[Flowering plant|Angiosperms]]
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==Description==
==Description==
''Gardenia brighamii'' is a small tree, reaching a height of {{convert|5|m|ft|abbr=on}}.<ref name="NTBG"/> The glossy, dark green leaves<ref name="CPC">{{cite web |url=http://www.centerforplantconservation.org/collection/cpc_viewprofile.asp?CPCNum=1994 |title=''Gardenia brighamii'' |work=CPC National Collection Plant Profile |publisher=Center for Plant Conservation |date=2010-03-04 |accessdate=2011-01-10}}</ref> are ovate, {{convert|2.2|-|10.5|cm|in|abbr=on}} long and {{convert|1.5|-|5.5|cm|in|abbr=on}} wide. The petals of the solitary, white flowers are fused at the base to form a tube {{convert|15|-|20|mm|in|abbr=on}} in length and have six lobes.
''Gardenia brighamii'' is a small tree, reaching a height of {{convert|5|m|ft|abbr=on}}.<ref name="NTBG"/> The glossy, dark green leaves<ref name="CPC">{{cite web|url=http://www.centerforplantconservation.org/collection/cpc_viewprofile.asp?CPCNum=1994 |title=''Gardenia brighamii'' |work=CPC National Collection Plant Profile |publisher=Center for Plant Conservation |date=2010-03-04 |accessdate=2011-01-10 |deadurl=yes |archiveurl=https://web.archive.org/web/20101215103341/http://centerforplantconservation.org/Collection/CPC_ViewProfile.asp?CPCNum=1994 |archivedate=2010-12-15 |df= }}</ref> are ovate, {{convert|2.2|-|10.5|cm|in|abbr=on}} long and {{convert|1.5|-|5.5|cm|in|abbr=on}} wide. The petals of the solitary, white flowers are fused at the base to form a tube {{convert|15|-|20|mm|in|abbr=on}} in length and have six lobes.


==Habitat and range==
==Habitat and range==
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==Uses==
==Uses==
[[Native Hawaiians]] made kua kuku ([[kapa]] anvils)<ref name="NTBG"/> and pou (house posts) from the wood of nānū.<ref name="Star-Bulletin"/> A yellow kapa [[dye]] was derived from the fruit pulp.<ref name="Bishop">{{cite web |url=http://www2.bishopmuseum.org/ethnobotanydb/resultsdetailed.asp?search=nanu |title=nanu, nau |publisher=[[Bernice P. Bishop Museum]] |work=Hawaii Ethnobotany Online Database |accessdate=2011-03-25}}</ref> The white, fragrant [[flower]]s are used in [[Lei (Hawaii)|lei]]. Today, it is grown as an [[ornamental plant]] on the islands.<ref name="Star-Bulletin"/>
[[Native Hawaiians]] made kua kuku ([[kapa]] anvils)<ref name="NTBG"/> and pou (house posts) from the wood of nānū.<ref name="Star-Bulletin"/> A yellow kapa [[dye]] was derived from the fruit pulp.<ref name="Bishop">{{cite web|url=http://www2.bishopmuseum.org/ethnobotanydb/resultsdetailed.asp?search=nanu |title=nanu, nau |publisher=[[Bernice P. Bishop Museum]] |work=Hawaii Ethnobotany Online Database |accessdate=2011-03-25 |deadurl=yes |archiveurl=https://web.archive.org/web/20070702123908/http://www2.bishopmuseum.org:80/ethnobotanydb/resultsdetailed.asp?search=nanu |archivedate=2007-07-02 |df= }}</ref> The white, fragrant [[flower]]s are used in [[Lei (Hawaii)|lei]]. Today, it is grown as an [[ornamental plant]] on the islands.<ref name="Star-Bulletin"/>


==References==
==References==

Revision as of 23:57, 7 January 2017

Gardenia brighamii
Scientific classification
Kingdom:
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Order:
Family:
Genus:
Species:
G. brighamii
Binomial name
Gardenia brighamii

Gardenia brighamii, commonly known as nānū, naʻu, or forest gardenia, is a species of flowering plant in the coffee family, Rubiaceae, that is endemic to Hawaii.[3]

Description

Gardenia brighamii is a small tree, reaching a height of 5 m (16 ft).[3] The glossy, dark green leaves[4] are ovate, 2.2–10.5 cm (0.87–4.13 in) long and 1.5–5.5 cm (0.59–2.17 in) wide. The petals of the solitary, white flowers are fused at the base to form a tube 15–20 mm (0.59–0.79 in) in length and have six lobes.

Habitat and range

Forest gardenia inhabits tropical dry forests at elevations of 350–520 m (1,150–1,710 ft). It previously could be found on all main islands, but today populations only exist on Maui, Molokaʻi, Oʻahu, and Lānaʻi, and the Big Island.[3]

Conservation

The total population of G. brighamii is between 15 and 19 trees. There are only two plants in the wild on Oʻahu and one on the Big Island.[5] Major threats to the survival of this species include loss of dry forest habitat and the establishment of invasive species, such as fountain grass (Pennisetum setaceum).[3]

Uses

Native Hawaiians made kua kuku (kapa anvils)[3] and pou (house posts) from the wood of nānū.[5] A yellow kapa dye was derived from the fruit pulp.[6] The white, fragrant flowers are used in lei. Today, it is grown as an ornamental plant on the islands.[5]

References

  1. ^ Bruegmann, M.M. & Caraway, V. 2003. Gardenia brighamii. 2010 IUCN Red List of Threatened Species. Template:Wayback Downloaded on 25 March 2011.
  2. ^ "Taxon: Gardenia brighamii H. Mann". Germplasm Resources Information Network. United States Department of Agriculture. 2007-08-28. Retrieved 2011-01-10.
  3. ^ a b c d e "Gardenia brighamii (Rubiaceae)". Meet the Plants. National Tropical Botanical Garden. Retrieved 2011-01-10.
  4. ^ "Gardenia brighamii". CPC National Collection Plant Profile. Center for Plant Conservation. 2010-03-04. Archived from the original on 2010-12-15. Retrieved 2011-01-10. {{cite web}}: Unknown parameter |deadurl= ignored (|url-status= suggested) (help)
  5. ^ a b c Barboza, Rick (2006-09-08). "Rare plant's fragrance has hint of coconut". Honolulu Star-bulletin. Vol. 11, no. 251.
  6. ^ "nanu, nau". Hawaii Ethnobotany Online Database. Bernice P. Bishop Museum. Archived from the original on 2007-07-02. Retrieved 2011-03-25. {{cite web}}: Unknown parameter |deadurl= ignored (|url-status= suggested) (help)