| 词条 | Vachellia abyssinica |
| 释义 |
| name = Flat Top Acacia (Vachellia abyssinica) | image = Acacia abyssinica.jpg | image_alt = Vachellia abyssinica | image_caption = An Umbrella Acacia (Vachellia tortilis), right, and a Flat Top Acacia (Vachellia abyssinica), left. | regnum = Plantae | divisio = Angiosperms | classis = Eudicots | ordo = Fabales | familia = Fabaceae | genus = Vachellia | species = V. abyssinica | binomial = Vachellia abyssinica | binomial_authority = (Hochst. ex. Benth.) Kyal. & Boatwr.[1] | subdivision_ranks = subspecies | subdivision = * Vachellia abyssinica subsp. abyssinica (Hochst. ex. Benth.) Kyal. & Boatwr.
| synonyms = *Acacia abyssinica Hochst. ex Benth. }}Vachellia abyssinica (flat top acacia) is a tree up to 16 m tall. Its bark is reddish-brown on older trees. On younger trees it is pale yellowish-brown, peeling off in papery wads. Young twigs are softly hairy. Thorns are aligned in straight pairs at nodes. Leaves are in pinnae pairs of 20-40; the leaflets are very small, up to 4 × 0.75 mm. The inflorescence is arranged in white spherical heads. The involucel is located in the lower half of the peduncle. Seed pods are dehiscent.[2] DistributionFrom Ethiopia southwards to Zimbabwe and Mozambique.[2] References1. ^{{cite journal |vauthors=Kyalangalilwa B, Boatwright JS, Daru BH, Maurin O, van der Bank M | title = Phylogenetic position and revised classification of Acacia s.l. (Fabaceae: Mimosoideae) in Africa, including new combinations in Vachellia and Senegalia. | journal = Bot J Linn Soc | volume = 172 | issue = 4 | pages = 500–523 | year = 2013 | doi = 10.1111/boj.12047 }} {{Taxonbar|from=Q12154833}}2. ^1 {{cite web| url = http://eol.org/pages/647593/| title = Details for: Vachellia abyssinica (as Acacia abyssinica)| accessdate = 2013-07-15| author = Encyclopedia of Life| authorlink = eol.org| publisher = Encyclopedia of Life}} 2 : Vachellia|Flora of East Africa |
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