Sorbus yuana Spongberg

Species

Angiosperms > Rosales > Rosaceae > Sorbus

Characteristics

Trees small to medium-sized, to ca. 15 m tall. Branchlets reddish brown when young, purplish or grayish black when old, terete, sparsely white tomentose when young, glabrate, with small elongated or rounded lenticels; buds ovoid, 0.9–1.2 cm × 4–6 mm; scales chestnut-brown, glabrous except with scattered white hairs along margin. Leaves simple; petiole 1.5–2.7 cm, pubescent when young, later subglabrous; leaf blade pale green abaxially, dark green adaxially, elliptic to obovate-elliptic, 6–13 × 3.5–9.5 cm, lateral veins 11–13 pairs, nearly parallel and terminating in marginal teeth, prominent abaxially and impressed adaxially, abaxially persistently grayish white tomentose, adaxially glabrous when old, base cuneate or rounded to subcordate, margin deeply regularly doubly serrate, apex acute to shortly acuminate. Compound corymbs terminal on elongated shoots, to 20 cm in diam., many flowered; rachis and pedicels purplish brown, tomentose when young, glabrate. Fruit cherry-red, oblong or obovoid-oblong, 1–1.6 cm × 6–13 mm, sparsely tomentose especially at base and apex, with few scattered lenticels, 2-loculed, with persistent remains of hypanthium and stamens, with densely pubescent base of style; seeds obovate, ca. 7 × 4 mm, testa dark reddish brown. Fl. May–Jun, fr. Sep.
Life form annual
Growth form tree
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 15.0
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 -

Environment

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

Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) 120 - 180
Germination temperacture (C°) 18 - 21
Germination luminosity -
Germination treatment stratification
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Sorbus yuana world distribution map, present in China

Identifiers

LSID urn:lsid:ipni.org:names:929644-1
WFO ID wfo-0001016325
COL ID 4YBRC
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Sorbus yuana Aria yuana