Compilation
Albizia amara

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Name

Identification
Albizia amara (Roxb.) Boivin [family LEGUMINOSAE ]
Related name
  • Albizia amara

Flora

Entry for ALBIZIA amara (Roxb.) Boiv. [family LEGUMINOSAE-MIMOSOIDEAE]
Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora Somalia
Resource Type
Reference Sources
Entry From
Flora Somalia, Vol 1, (1993) Author: by M. Thulin (Acacia by M. Thulin, A. S. Hassan & B. T. Styles) [updated by M. Thulin 2008]
Names
ALBIZIA amara (Roxb.) Boiv. [family LEGUMINOSAE-MIMOSOIDEAE], (1834).
Information
Tree or shrub, deciduous; bark rough; young branchlets with rather short dense spreading grey to golden pubescence. Leaves: pinnae 4–46 pairs; leaflets 12–48 pairs, oblong to linear, 2–5(–7.5) x 0.5–1.5(–2.5) mm, apex symmetrical and ± obtuse, ± appressed-pubescent on one or both sides or on margins only. Flowers white or flushed pink; pedicels up to 1.5 mm long. Calyx 1–2 mm long, puberulous or pubescent outside. Corolla 3.5–7 mm long, puberulous or pubescent outside. Staminal tube not or scarcely exserted beyond corolla; filaments c. 0.5–1.2 cm long. Pod oblong, 10–28 x 2–5 cm, puberulous, brown. Seeds 8–13 x 7–8 mm.
Range
S1, 3 subsp. sericocephala (Benth.) Brenan in Eitrea, Ethiopia, Sudan and southwards to Transvaal.
Altitude range
c. 20–230 m.
Distribution
SOMALIA Hemming SRS 555/4; Gillett & al. 25160; Thulin & Bashir Mohamed 7107.
Distribution (external)
N Kenya
SE Tanzania
India
Ceylon
Notes
Maraa, tugaar (Som.). All Somali material seen belongs to subsp. amara. This has 4–12(–16) pairs of pinnae, and 10–29 pairs of leaflets that are 3–7.5 x 0.75–1.5(–2) mm with lateral nerves often slightly raised beneath. Subsp. sericocephala has comparatively more pairs of pinnae and leaflets, and the leaflets are generally smaller and without raised lateral nerves beneath. It is known nearest from SE Ethiopia. Records of A. harveyi Fourn. from Somalia seem to be based on material of A. amara. True A. harveyi is known from Kenya southwards to Transvaal. It differs, e.g., in its ± falcate leaflets with an acute, asymmetrical apex.

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