Harrisia (plant)
Harrisia ' jusbertii '
Harrisia is a genus in the cactus family ( Cactaceae ). Is named the genus after the plant collector William Harris. He was Superintendent of Public Gardens and Plantations of Jamaica.
Description
There are tree-like, sometimes climbing or Shrubby growing cacti with cylindrical stems. You can reach stature heights of up to 7 m. The shoots are ribbed (four to twelve ribs) and do not form aerial roots. The flowers open at night, are white and have a diameter of up to 12 cm. After successful pollination to fruit roundish form which are colored red to orange. The fruits have shed with areolae in the armpits. The black seeds are 2 to 3 × 1.5 mm in size.
System
The distribution of the genus is located in the southern U.S., the Caribbean and south to Brazil, Paraguay, Bolivia and Argentina. It is within the tribe Trichocereeae the genus with the largest area of distribution.
In the original description of the genus by Britton still 17 species were listed. These are not all accepted. The genus is divided among other things, on the basis of characteristics of the fruit formation and mature in two subgenera. The type species of the genus Cereus gracilis million.
The genus Harrisia include the following types:
- Subgenus Harrisia - the fruits are not tearing up Harrisia aboriginum Small
- Harrisia brookii Britton
- Harrisia divaricata ( Lam.) Backeb.
- Harrisia earlei Britton & Rose
- Harrisia eriophora ( Pfeiff. ) Britton
- Harrisia fernowii Britton
- Harrisia fragrans Small
- Harrisia gracilis (Mill.) Britton
- Harrisia nashii Britton
- Harrisia portoricensis Britton
- Harrisia simpsonii Small
- Harrisia taetra Areces
- Harrisia taylorii Britton
- Subgenus Eriocereus - the fruits are tearing up Harrisia adscendens ( Gürke ) Britton & Rose
- Harrisia bonplandii ( J.Parm. Pfeiff ex. ) Britton & Rose
- Harrisia martinii ( Labour. ) Britton & Rose
- Harrisia pomanensis ( F.A.C.Weber ) Britton & Rose Harrisia pomanensis subsp. pomanensis
- Harrisia pomanensis subsp. regelii ( Weing. ) R.Kiesling
Unclassified
- Harrisia hurstii W.T.Marshall
Synonyms of the genus are Eriocereus Riccob. and Roseocereus Backeb.
Use
The Gran Chaco region in Argentina and Paraguay, the fruits and the cooked, roasted or baked thickened roots are eaten.