Populus cathayana Rehder

Species

Angiosperms > Malpighiales > Salicaceae > Populus

Characteristics

Trees to 30 m tall; crown broadly ovoid. Branchlets olive green when young, becoming orange to grayish yellow, terete, sometimes angled, glabrous. Buds purplish brown or yellowish brown, long conical, glabrous, viscid. Leaves of short branchlets with petiole terete, 2-7 cm, glabrous; leaf blade ovate, elliptic-ovate, elliptic, or narrowly ovate, sometimes broadly or orbicular-ovate, (4.5-)5-10 × 3.5-7(-8.5) cm, broadest below middle, abaxially greenish white, adaxially bright green, glabrous, base rounded, rarely subcordate or broadly cuneate, apex acuminate or mucronate; lateral veins 5-7 on each side, raised. Leaves on long shoots larger, ovate-oblong, 10-20 cm, base usually slightly cordate. Male catkin 5-6 cm. Male flower: stamens 30-35. Female catkin 4-5 cm, 10-15(-20) cm in fruit. Female flower: stigma 2-4-lobed. Capsule ovoid, 6-9 mm, (2 or)3-or 4-valved. Fl. Mar-May, fr. May-Jul. 2n = 38*, 40*.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention deciduous
Sexuality dioecy
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 30.0
Root system -
Rooting depth (meter) -
Root diameter (meter) 0.2
Flower color -
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Nitrogen fixer -
Photosynthetic pathway c3

Environment

Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 5-10

Usage

Uses environmental use fuel medicinal
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

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

Distribution

Populus cathayana world distribution map, present in China and Korea (Republic of)

Identifiers

LSID urn:lsid:ipni.org:names:776633-1
WFO ID wfo-0001133622
COL ID 4LVKJ
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Populus cathayana Populus cathayana var. cathayana

Lower taxons

Populus cathayana var. latifolia