| 词条 | Balanites angolensis |
| 释义 |
|image = |genus = Balanites |species = angolensis |authority = (Welw.) Mildbr. & Schltr.[1] |synonyms = *Balanites aegyptiaca var. angolensis Welw.
|synonyms_ref = [1] }} Balanites angolensis, or Angolan green-thorn, is a species of tree from southern Africa, it is a member of the caltrop family, Zygophyllaceae. DescriptionBalanites angolensis is a small semi-deciduous tree or shrub which grows to up to 8m in height. It has rough, corrugated bark which is green or greenish yellow on young shoots which are covered in dense hairs with yellow or green thorns which are up to 9 cm long. The flowers are greenish-yellow to whitish and are borne in small axillary clusters, each flower consisting of 5 petals and 5 sepals. The fruit is 30mm long, ovoid in shape and is orange when ripe. The leaves are alternate, consisting of one pair of leaflets, 12-17mm in length, leathery, yellowish green and downy. The leaves are ovoid with a pointed tip and tapering base and a short stalk.[2]DistributionBalanites angolensis is found in Angola, Botswana and north eastern Namibia.[3]HabitatBalanites angolensis occurs along seasonal watercourses[2] and in savannah, on dry hills and in coastal forest.[3] In dry scrub forest and mopane woodland Balanites angolensis is part of the understorey community.[4]PhenologyIn Namibia Balanites angolensis flowers in October and November, fruit is seen from November but peaks in March and April.[3] UsesThe fruit is edible, the branches are used by the Himba for fencing and the roots are used by the Himba to treat breast complaints in nursing mothers by inhaling the smoke of the burning roots and by making an ointment out of the ashes and smearing this on the breasts. Extracts from the tree are also used to treat genitourinary system disorders.[3] SubspeciesThere are two recognised subspecies:[1]
References1. ^1 2 {{cite web | url = http://www.theplantlist.org/tpl1.1/search?q=Balanites+angolensis | title = Balanites angolensis (Welw.) Mildbr. & Schltr. | accessdate = 17 December 2016 | publisher = The Plant List}} {{Taxonbar|from=Q12249811}}2. ^1 {{cite web | url = http://treeatlas.biodiversity.org.na/viewspec.php?nr=74 | title = Balanites angolensis, Omutungambara | accessdate = 18 December 2016 | publisher = Tree Atlas of Namibia}} 3. ^1 2 3 {{cite web | url = http://www.prota4u.org/protav8.asp?en=1&p=Balanites+angolensis | title = Balanites angolensis | accessdate = 18 December 2016 | publisher = Plant Resources of Tropical Africa}} 4. ^{{cite book | author = F White | year = 1983 | title = The vegetation of Africa: A descriptive memoir to accompany the Unesco/AETFAT/UNSO vegetation map of Africa | publisher = UNESCO | ISBN = 92-3-101955-4 | pages = 91 & 95}} 8 : Balanites|Trees of Africa|Trees of Angola|Trees of Botswana|Flora of Namibia|Edible plants|Fruits originating in Africa|Plants used in traditional African medicine |
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