Japanese name: ハクラクジュ(伯楽樹) Scientific name:Bretschneidera sinensis
[Overview]
A deciduous tree 10–20 m tall.
The leaves are alternate, odd-pinnately compound, about 25–75 cm long, with 3–7 pairs of elliptic to ovate leaflets 7–8 cm long.
The petiole is 10–25 cm and the leaflet stalk is 2–10 mm.
Racemes 20–36 cm long emerge from the leaf axils at the branch tips.
The flowers are white to pale pink, 5-petaled, and about 3–5 cm across.
The petals are rounded, about 1.8–2.5 cm long and 1–1.5 cm wide, with a notched tip.
Red streaks appear on the petals as the flower opens further.
There are 8 stamens.
There are nectaries at the base, and the ovary has 3 carpels with 2 ovules in each chamber.
The pedicels are 2–4 cm.
The fruit is an elliptic to ovate capsule about 3–5.5 cm long and 2–3.5 cm wide, which splits open lengthwise.
The seeds are red, elliptic to spherical, about 1.5–2.5 cm long and 1.2–1.8 cm wide.