(Lam.) Britton & Rose, Fabaceae
Present on Pacific Islands? yes
Primarily a threat at high elevations? no
Risk assessment results: (see Acacia concinna)
Other Latin names: Acacia rugata (Lam.) Buch.-Ham. ex Voigt; Acacia sinuata auct.; Mimosa concinna Willd.; Mimosa rugata Lam.
Description: "Climbing or scandent shrub. Branches with brown smooth stripes, thorny, the thorns short, broad-based, flattened. Leaves with caducous stipules not thorn-like; petiole 1-1.5 cm long with prominent gland about the middle; blade bipinnate, with 5-7 pairs of pinae, the primary rachis thorny, pubescent, the pinnae with 12-18 pairs of pinnae; pinnae oblong-lanceolate, 3-10 mm long, accrescent, acute and apiculate at apex, obliquely rounded at base, entire, glabrous. Inflorescences of 2 or 3 peduncled head in axils of upper reduced leaves, appearing paniculate; peduncles 1-2.5 cm long, pubescent; heads about 1 cm in diameter when mature. Flowers pink, without or with reduced subtending bracts; ovary stipitate, glabrous. Pods thick, somewhat flattened, stalked, 8 cm long, 15-18 mm wide" (Walker,1976; pp. 538-539). (from PIER's description of Acacia concinna @20May2017)
Habitat/ecology: "Rain forest, disturbed forest, open grassland, fields, creek sides, in open areas often a sprawling shrub; also recorded from limestone; altitude 50-1050 m" (Nielsen, 1992; pp. 48-49). In New Caledonia, "devenu localement un fléau" (MacKee, 1994; p. 76). (from PIER's habitat/ecology information for Acacia concinna @20May2017)
Native range: Tropical Asia (Nielsen, 1992; pp. 48-49). (from PIER's native range info for Acacia concinna @20May2017)