Populus yunnanensis Dode

Yunnan poplar (en), Peuplier du Yunnan (fr)

Species

Angiosperms > Malpighiales > Salicaceae > Populus

Characteristics

Trees to 20 m tall; trunk to 60 cm d.b.h.; bark gray, furrowed. Old branches purplish brown, not angled; branchlets yellowish brown or reddish and glabrous when young, angled. Buds ellipsoid, glabrous, viscid. Petiole reddish, 1-4 cm, stout; leaf blade ovate, elliptic-ovate, broadly ovate, or deltoid-ovate, 5-16 × 2-7.5 cm, papery, abaxially grayish white and glabrous or pubescent along veins, usually reddish along midvein, adaxially green, shiny, pilose along midvein, base broadly cuneate or rounded, margin glandular crenulate, at first ciliate, glabrescent, apex long acuminate. Short branchlets with petiole 2-9 cm; leaf blade ovate, 7.5-17 × 4-12 cm, base rounded or shallowly cordate, rarely cuneate, apex long acuminate or obtuse. Male catkin 12-20 cm; rachis glabrous; bracts russet, palmately laciniate, glabrous. Male flower: stamens 20-40. Female catkin 10-15 cm. Capsule 3-or 4-valved, subsessile or shortly stipitate. Fl. Apr, fr. Apr-May.
More
Large, widespreading tree, suckering moderately. Bark grey, fissured. Shoots ± angled when young, almost winged in strong vegetative shoots, reddish purple to yellowish brown. Buds very viscid, glabrous. Young shoots strongly viscid and balsam-scented. Petiole to c. 10 cm long, nearly terete, glabrous. Lamina to 18 × 13.5 cm, broad-ovate, glabrous except for minutely ciliolate margin, greenish white below, glossy green above, reddish brown when unfolding; midrib and veins pink above; margin crenate-serrulate, without translucent band; base subcordate to cordate, glandless; apex acuminate. Catkins ♂, pendulous, to 16 cm long. Bracts 2-4 mm long excluding long filiform teeth, glabrous, whitish. Rachis glabrous. Cup-shaped disc 1-3 mm deep, oblique, glabrous. Stamens 15-45; anthers crimson towards apex.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention deciduous
Sexuality dioecy
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 17.5 - 20.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Nitrogen fixer -
Photosynthetic pathway c3

Environment

Light 7-9
Soil humidity 3-9
Soil texture 1-4
Soil acidity -
Soil nutriment -
Hardiness (USDA) 5-8

Usage

Uses afforestation
Edible -
Therapeutic use Urinary tract infections (root)
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -29
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Populus yunnanensis unspecified picture

Distribution

Populus yunnanensis world distribution map, present in China and New Zealand

Identifiers

LSID urn:lsid:ipni.org:names:776932-1
WFO ID wfo-0001133818
COL ID 4LVS2
BDTFX ID 52068
INPN ID 115182
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Populus yunnanensis Populus yunnanensis var. yunnanensis

Lower taxons

Populus yunnanensis var. pedicellata Populus yunnanensis var. microphylla