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Coprosma robusta produces masses of orange berries in late Summer. When berries are present, they are 8-9mm long and can take up to a year to ripen. Birds enjoy the masses of orange fruit on female plants.<br /> | Coprosma robusta produces masses of orange berries in late Summer. When berries are present, they are 8-9mm long and can take up to a year to ripen. Birds enjoy the masses of orange fruit on female plants.<br /> | ||
<br /> | <br /> | ||
[ | [[File:Coprosma robusta .JPG|frameless|upright 2.25]] | ||
[ | [[File:Coprosma robusta -007.JPG|frameless|upright 2.25]] | ||
Green unripe fruit. October Taranaki<br /> | Green unripe fruit. October Taranaki<br /> | ||
[[File:Coprosma robusta -002.JPG|frameless|upright 2.25]] | |||
[[File:Coprosma robusta .JPG|frameless|upright 2.25]] | |||
[ | Opening male flowers.[[File:Coprosma robusta Karamu .JPG|frameless|upright 2.25]] | ||
[[File:Male flowers coprosma robusta.JPG|frameless|upright 2.25]] | |||
[ | |||
Female flowers September.<br /> | Female flowers September.<br /> | ||
[ | [[File:Female Coprosma robusta..JPG|frameless|upright 2.25]] | ||
[ | [[File:Female flowersCoprosma robusta..JPG|frameless|upright 2.25]] | ||
Female flowers. September.<br /> | Female flowers. September.<br /> | ||
[ | [[File:Female flowers Coprosma robusta.-001.JPG|frameless|upright 2.25]] | ||
Ripe fruit March. They can be orange or red.[ | Ripe fruit March. They can be orange or red.[[File:Karamu Coprosma rubusta-2.JPG|frameless|upright 2.25]] [[File:Coprosma robusta Karamu -007.JPG|frameless|upright 2.25]] | ||
Leaf of Coprosma robusta showing the centre vein which is not raised. This is a distinguishing feature of Coprosma robusta. C.grandifolia and C. lucida have raised midribs. | Leaf of Coprosma robusta showing the centre vein which is not raised. This is a distinguishing feature of Coprosma robusta. C.grandifolia and C. lucida have raised midribs. | ||
[ | [[File:Coprosma rubusta leaf centre vein not raised.JPG|frameless|upright 2.25]] | ||
The underside of a leaf. Notice raised mid-vein and the domatia.<br /> | The underside of a leaf. Notice raised mid-vein and the domatia.<br /> | ||
[ | [[File:Coprosma robusta Karamu .JPG|frameless|upright 2.25]]<br /> | ||
Coprosmas are identified by the domatia (tiny holes at the junction of the veins on the underside of the leaf.<br /> | Coprosmas are identified by the domatia (tiny holes at the junction of the veins on the underside of the leaf.<br /> | ||
NB: raised midrib distinguishing feature of Coprosma robusta and Coprosma lucida | NB: raised midrib distinguishing feature of Coprosma robusta and Coprosma lucida[[File:Coprosma robusta -004.JPG|frameless|upright 2.25]] | ||
A domatia underside of the leaf. | A domatia underside of the leaf. | ||
[[File:Domatia on underside leaf C.robusta.JPG|frameless|upright 2.25]] | |||
The top surface of the leave showing the domatia lumps and the centre vein of the leaf which is not raised.<br /> | The top surface of the leave showing the domatia lumps and the centre vein of the leaf which is not raised.<br /> | ||
[ | [[File:Domatia lumps.JPG|frameless|upright 2.25]] <br /> | ||
A distinguishing feature of Coprosma robusta is the rough edge of the leaves margin. All other large-leaved coprosma have smooth edges.<br /> | A distinguishing feature of Coprosma robusta is the rough edge of the leaves margin. All other large-leaved coprosma have smooth edges.<br /> | ||
[[File:Coprosma robusta leaf margin.JPG|frameless|upright 2.25]] | |||
Where the leaf stalks join the branch there is a short stipule with a black gland at the top.<br /> | Where the leaf stalks join the branch there is a short stipule with a black gland at the top.<br /> | ||
[http://ketenewplymouth.peoplesnetworknz.info/image_files/0000/0009/5328/Coprosma_robusta_short_stipule_with_black_gland.JPG<br /> | [http://ketenewplymouth.peoplesnetworknz.info/image_files/0000/0009/5328/Coprosma_robusta_short_stipule_with_black_gland.JPG [[File:Coprosma robusta short stipule with black gland.JPG|frameless|upright 2.25]]<br /> | ||
]<br /> | ]<br /> | ||
Thanks to Wikipedia for text and information http://creativecommons.org/licenses/by-sa/3.0/ | Thanks to Wikipedia for text and information http://creativecommons.org/licenses/by-sa/3.0/ | ||
Latest revision as of 12:22, 24 September 2019
Kingdom: Plantae
Division: Magnoliophyta
Class: Magnoliopsida
Order: Gentianales
Family: Rubiaceae
Subfamily: Rubioideae
Tribe: Anthospermeae
Genus: Coprosma
Species: C. robusta
Scientific name: Coprosma robusta
Common name: Karamu
Karamu is the Maori name given to the tree Coprosma robusta and Coprosma lucida, two of the 45 Coprosma species found in New Zealand. Coprosmas are identified by the domatia (tiny holes at the junction of the veins on the underside of the leaf), their stipules, small flowers and colourful berries.
Coprosma robusta is found in lowland forest or shrub throughout New Zealand and almost to the south of the South Island. It has dark green leaves approximately 5-13cm long and 3-4 cm wide. The centre vein of the leaf is not raised on the top surface. The main vein is raised on the under surface. The tree itself is either a shrub or small tree that can grow up to 6m tall. The stipules have a single, shiny black gland at the tips.
Coprosma robusta produces masses of orange berries in late Summer. When berries are present, they are 8-9mm long and can take up to a year to ripen. Birds enjoy the masses of orange fruit on female plants.
Green unripe fruit. October Taranaki
Opening male flowers.
Female flowers September.
Female flowers. September.
Ripe fruit March. They can be orange or red.
Leaf of Coprosma robusta showing the centre vein which is not raised. This is a distinguishing feature of Coprosma robusta. C.grandifolia and C. lucida have raised midribs.
The underside of a leaf. Notice raised mid-vein and the domatia.
Coprosmas are identified by the domatia (tiny holes at the junction of the veins on the underside of the leaf.
NB: raised midrib distinguishing feature of Coprosma robusta and Coprosma lucida
A domatia underside of the leaf.
The top surface of the leave showing the domatia lumps and the centre vein of the leaf which is not raised.
A distinguishing feature of Coprosma robusta is the rough edge of the leaves margin. All other large-leaved coprosma have smooth edges.
Where the leaf stalks join the branch there is a short stipule with a black gland at the top.
[http://ketenewplymouth.peoplesnetworknz.info/image_files/0000/0009/5328/Coprosma_robusta_short_stipule_with_black_gland.JPG 
]
Thanks to Wikipedia for text and information http://creativecommons.org/licenses/by-sa/3.0/
