Flora of the Hawaiian Islands
Dicotyledon Literature for Albizia lebbeck
Wagner et al., 1990, 1999; Lorence & Wagner, 2020.
   Fabaceae -- The Pea Family Bibliography
      Albizia lebbeck

Common name(s): `ohai (Ni`ihau), siris tree, woman's tongue
General Information
DistributionNative to the Paleotropics.In the Hawaiian Islands, naturalized on Midway, Ni`ihau, Kaua`i, O`ahu, Moloka`i, Maui, Hawai`i.

Tree to 25 m tall.
Leaves petiolate; blade with 2–3 pairs of pinnae; leaflets 3–6 pairs per pinna, midrib median or nearly so, 15–50 mm long, 9–35 mm wide, apex rounded or truncate, with usually 2 nectaries per rachis, one of them ca. 15 mm above the basal pulvinus and the other between the basal or distal pair of pinnae; stipules inconspicuous.
Inflorescences a corymbiform head, 15–20 mm in diameter (excluding stamens), these pedunculate, 1–2(3) peduncles together in the leaf axils. Flowers 6–8 mm long (central one larger); corolla white or pale green; stamens to 25 mm long.
Fruit flat, 20–35 cm long, 3–4 cm wide, tardily dehiscent, usually persistent on tree.
Seeds (2‒)3‒10, ellipsoid, ca. 10 mm long, 6–7 mm in diameter, laterally flattened, distinctly median (remote from sutures), with a pleurogram ca. 5 mm long, 2 mm wide.
2n = 26.
Nancy Khan