Ulmus Uyematsui - Description

Description

The tree grows to a height of 25 metres (82 ft), with a d.b.h. to 80 centimetres (31 in). The bark is grey, longitudinally fissured, and exfoliates in irregular flakes. The branchlets are brown, glabrous, though pubescent when young, and devoid of corky wings. The largely glabrous leaves are elliptic to oblong-elliptic 5–11 × 3–4.5 cm wide, typically caudate at the apex; the margins are doubly-serrate . Unlike most elms, the leaves are equal at the base, have short (2–6 mm) petioles, and are flushed dark-red on emergence.The perfect wind-pollinated apetalous flowers appear on second-year shoots in February, the obovate to orbicular samarae, 10–15 × 8–10 mm in March.

Hayata considered the tree similar to Ulmus castaneifolia, differing only in the much thinner leaves, and absence of pubescence on the axils of the primary lateral veins.

  • Emergent leaves with dark red colouration.

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