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Overview

Comprehensive Description

Description

A small to medium-sized tree, suckering from the base to form dense stands.
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© Mark Hyde, Bart Wursten and Petra Ballings

Source: Flora of Zimbabwe

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Derivation of specific name

canescens: grey-pubescent
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© Mark Hyde, Bart Wursten and Petra Ballings

Source: Flora of Zimbabwe

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Distribution

Worldwide distribution

Europe, east to the Caucasus
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© Mark Hyde, Bart Wursten and Petra Ballings

Source: Flora of Zimbabwe

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Physical Description

Morphology

Description

Trees to 20 m tall, suckering freely; bark grayish or bluish gray, smooth, rough at base of trunk; crown spreading. Branchlets terete, often glabrous; short branchlets brownish, tomentose. Buds ovoid, brown tomentose. Leaves of short branchlets with petiole slightly compressed, nearly as long as blade, glabrous; leaf blade ovate-orbicular, ovate-elliptic, or rhombic- to ovate-orbicular, 4-8 × 3.5-6 cm, both surfaces glabrous or sometimes thinly tomentose abaxially, base broadly cuneate or rounded, margin with obtusely notched teeth, apex obtuse. Leaves of sprouts and long shoots with petiole gray tomentose; leaf blade broadly elliptic, abaxially gray tomentose, adaxially green, glabrous or sparsely tomentose, irregularly dentate. Male catkin 5-8 cm. Male flower: stamens 8-10. Female catkin 5-10 cm. Female flower: ovary glabrous; stipe short. Capsule long ovoid, 3-4 mm, 2-valved. Fl. Apr, fr. May.
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© Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA

Source: Missouri Botanical Garden

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Diagnostic Description

Synonym

Populus alba Linnaeus var. canescens Aiton, Hort. Kew. 3: 405. 1789.
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© Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA

Source: Missouri Botanical Garden

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Ecology

Habitat

Habitat & Distribution

Xinjiang [W Asia, Europe]
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© Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA

Source: Missouri Botanical Garden

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Population Biology

Frequency

Locally common in wet habitats in and around Harare; rare elsewhere
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© Mark Hyde, Bart Wursten and Petra Ballings

Source: Flora of Zimbabwe

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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage: Populus canescens

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 0
Specimens with Barcodes: 5
Species With Barcodes: 1
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© Barcode of Life Data Systems

Source: Barcode of Life Data Systems (BOLD)

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Conservation

Conservation Status

NatureServe Conservation Status

Rounded Global Status Rank: GNA - Not Applicable

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© NatureServe

Source: NatureServe

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Notes

Comments

Regarded by many authors as a hybrid between Populus alba and P. tremula.
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© Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA

Source: Missouri Botanical Garden

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Names and Taxonomy

Taxonomy

Comments: Tree of European origin; sometimes considered a hybrid (as does Kartesz, 1994), sometimes as a species.

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© NatureServe

Source: NatureServe

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