The 12 cm Robinia pseudoacacia planting base tells the story of the Robinia pseudoacacia seedlings are deciduous trees with a height of 10-25 meters; the bark is grayish brown to dark brown, shallow to deep longitudinally cracked, thin and smooth. Branchlets gray-brown, ridged when young, slightly hairy, posterior glabrous; with stipules, up to 2 cm long; winter buds are small and hairy. The pinnate compound leaves are 10~25 (~40) cm long; the leaf shafts are covered with grooves; the leaflets are 2~12 pairs, often opposite, oval, oblong or oval, 2~5 cm long and 1.5~ wide. 2.2 cm, apex round, slightly concave, with small pointed head, base round to broad wedge, whole, top green, bottom gray-green, pubescent when young, then glabrous; petiole 1~3 mm long; Small stipules needle-shaped.
The racemes of Robinia pseudoacacia are axillary, 10-20 cm long, drooping, many flowers, fragrant; bracts fall early; pedicels.
Robinia pseudoacacia is 7-8 mm long; calyx is obliquely campanulate, 7-9 mm long, calyx teeth 5, triangle to ovate triangle, densely pilose; corolla white, each petal has a petiole, flag petals are nearly round, long 16 mm, width a布特19毫米,先端凹口,英航se round, reflexed, with macula, wing flap obliquely obovate, approximately the same length as flag flap, a布特16毫米长,round ears on one side of base, sickle-shaped keel , Triangular, equal or slightly shorter with wing petals, anterior connate, apex obtuse; stamens are two bodies, separated from one of the flag petals; ovary linear, about 1.2 cm long, glabrous, stalk length 2~3 mm , Style subulate, about 8 mm long, curved upward, with hairy apex, and stigma terminal.
Robinia pseudoacacia pods are brown, or with reddish-brown markings, linear and oblong, 5-12 cm long, 1-1.3 (~1.7) cm wide, flat, curved at the apex, pointed, short neck, along the abdominal suture Narrow-winged; calyx persistent, with 2-15 seeds; seeds brown to dark brown, slightly shiny, sometimes dappled, nearly kidney-shaped, 5-6 mm long, 3 mm wide, round hilum, partial At one end. Flowering period is from April to June, fruiting period is from August to September.