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Boerhavia repens

2.6 Near threatened

name of participantsBased on: "The Red Book of Israeli Plants - Threatened Plants in Israel" by Prof. Avi Shmida, Dr. Gadi Pollack and Dr. Ori Fragman-Sapir
Update Time: Jan. 1, 2011, 7:39 a.m.

Boerhavia repens
grows in in three regions in Israel: in the Jordan Valley, the Judean Desert
and the Dead Sea, at a total of eight recorded sites, although there may be ten
sites. Most of the sites are located in the Jordan Valley, around Jericho, and
Wadi Fara and Ǧiftlik. In the Judean desert it was seen in Wadi Tmarim and in
the Dead Sea region it grows in the En Gedi date groves and in Wadi David. Ǧiftlik
is the northernmost point of its global range. Observations from more northerly
population growing on the basalt cliffs above Hamat Gader require verification.
Interestingly, the plant is completely absent from the area penetrated by Sudanian
plants in the Arava and the Elat Mountains. Such a disjunction pattern between
the main distribution area that is south of Israel (particularly in Africa) and
the Dead Sea and Jordan Valley region is also known from other Sudanian species:
Abutilon indicum, A. hirtum, Maerua crassifolia, Cordia sinensis and Periploca
. This can be explained by the fact that the environmental
conditions in the Dead Sea region are more suitable for the growth of these Sudanian
plants than the Arava and the Elat regions in which the aridity is more extreme
and the winter temperatures are often lower.

B. repens was planted at
the junction of the Qumran National Park-Kibbutz Kalya during the development of
a local garden for wild plants at this site in 1995 (Blecher).

Shaded habitats on
rocks and in the proximity of trees in the hot desert. Considered in the world
as a noxious weed in agricultural areas and gardens. 

The number of
regions in which
Boerhavia repens is found seems to
be stable, but its sites were recorded only until the 1970s and the 1980s and
no records are available for the last two decades. This makes it difficult to
assess any change trends.

The conversion
of land to agricultural in the Jordan Valley constitutes the major threat to
B. repens.

In the country
it is protected in the En Gedi Nature Reserve.

It is not globally
endangered and does not appear in other red plant lists.       

Repeated field
surveys of
Boerhavia repens should be conducted
to record and update its sites and population sizes, as a basis for management
policy. Acclimatization operations should be continued in the in framework of gardening
in the Jordan Valley and the Dead Sea region.

Boerhavia repens
is a widely spread species in Africa and tropical Asia, that penetrates the desert
via oases. In Sicily
B. repens is a feral

Boerhavia repens is a rare perennial plant of hot regions in the Jordan Valley and the
Dead Sea, which is probably affected by the spread of agriculture in Israel. In
Israel the species grows in natural habitats and not in anthropogenic habitats
as in most countries in its range, which increases the importance of preserving
the plant.


בלכר מ. 1995. גנים של צמחי בר בחבל ים-המלח: תחילת הדרך. מגילות תמר, עלון המועצות האזוריות "תמר" ו"מגילות", קיץ: 8-10.

name of participantsBased on: "The Red Book of Israeli Plants - Threatened Plants in Israel" by Prof. Avi Shmida, Dr. Gadi Pollack and Dr. Ori Fragman-Sapir

Current Occupancy Map

Current occupancy map for observations per pixel
1000 squre meter pixel 5000 squre meter pixel 10000 squre meter pixel
number of observations 0 0 0
in total pixels 0 0 0

ClassificationOn the near threatened species list
ChorotypeTropical – Sudanian (Saharo – Arab)
Conservation SiteǦiftlik

Red number
Peripherality S
Threat Definition according to the red book Near threatened
3 (3) districts
Disjunctiveness: 0
10.0% of protected sites

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