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Dove-tree
Davidia involucrata
Non-nativeDeciduousAngiospermMedium (15-30m)Vulnerable
Introduction

As soon as this tree flowers, its common name is obvious: showy white papery bracts flutter in the gentlest breeze like rising doves, also earning it the names Handkerchief Tree and Ghost Tree. Introduced by plant-hunter Ernest H. Wilson (1876-1930) in 1904.

Distribution

Native to southern-central and south-east China.

Biology

Polygamodioecious (mostly dioecious but occasionally tree can bear flowers of the opposite sex). Insect-pollinated, mostly by bees attracted by UV properties of the mature bracts, which also act as rain canopies protecting pollen. Seeds dispersed by birds and mammals.

Identification

Medium (24m), broad, often multi-stemmed. Bark grey-brown, sometimes orange-tinted, maturing flaky. Twigs glabrous, initially glaucous then dark brown; buds alternate, red-green, glossy. Young foliage has a spicy-incense scent; mature leaves can hang brown-black after frost or wilt under drought. Leaves ovate with a cordate base, silky-haired and sunken-veined above, sometimes downy below, coarsely toothed, on a 4-7cm red petiole. The inflorescence has many small flowers with prominent crimson anthers, framed by a pair of overhanging bracts that unfold yellow-green then brilliant white and paper-thin (lower bract 20-30cm, upper half that size), April-May. Fruit an ovoid drupe (3-4cm), purple-green ripening brown. Lime (Tilia) species are similar in crown shape but grow larger, with smaller bracts.

Culture

Hardy to -15°C. Thrives in moist but well-drained soils, including chalk, in partial or full sun. Can be pruned quite hard, even coppiced, regenerating vigorously.

Biodiversity

Attracts pollinating insects, especially bees.

Threats

Generally healthy.

Uses

Ornamental.

Related news
Key
Native statusNon-native
Foliage typeDeciduous
Tree groupAngiosperm
Size classMedium (15-30m)
Conservation status (IUCN)Vulnerable
Classification
DivisionAngiospermae
OrderCornales
FamilyNyssaceae
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