Plant Encyclopedia
Fraxinus longicuspis var. longicuspis ("Yamatoaodamo")
Japanese name: ヤマトアオダモ (大和青梻)
Scientific name: Fraxinus longicuspis var. longicuspis
[Overview]
A deciduous tree up to 25 m tall, growing along valleys and on slopes in hills to mountains.
The bark is pale brown and smooth.
The winter buds are covered with soft hairs.
The young branches, petioles and leaf rachises are at first covered with pale brown curly hairs.
Leaves are opposite, odd-pinnately compound, with 5–7 leaflets.
The leaflets are oblong-lanceolate to broadly lanceolate, 5–15 cm long and 2–3 cm wide, with a sharply tail-like tip, an asymmetrical base, and low serrations.
The underside of the leaf is slightly hairy along the veins.
The leaflets have stalks 0.3–1.5 cm long.
There are male plants and plants bearing bisexual flowers.
Many flowers are borne in panicles at the branch tips, but the flowers have no petals.
The fruit is oblanceolate, 3–4 cm long and 0.4–0.5 cm wide, winged, and hangs down.
[Cultivation]
Propagate from seed and cuttings.
It prefers fertile, well-drained soil in sun to partial shade.
For potted plants, and for plants in the ground for less than 2 years, water thoroughly when the soil surface dries.
For established plants in the ground, rainfall is sufficient.
In winter, apply organic fertilizer around the plant.
There are no particular pests or diseases.
Details
Translated from our Japanese encyclopedia. If anything differs, the Japanese page is correct.