Sorbus scalaris Koehne

Species

Angiosperms > Rosales > Rosaceae > Sorbus

Characteristics

Shrubs or small trees, 3–7 m tall. Branchlets blackish gray when old, terete, gray or brown pubescent when young, subglabrous when old; buds ovoid, 7–9 × 4–7 mm, apex obtuse; scales several, brownish, with grayish white hairs. Leaves imparipinnate, together with rachis 10–18 cm; petiole 1–2.5 cm; stipules persistent, suborbicular or ovate, 0.7–1.4 cm in diam., margin coarsely serrate; rachis purplish, abaxially white tomentose, adaxially sulcate; leaflet blades (8–)10–14 pairs, terminal and basal ones smaller, at intervals of 8–10 mm, oblong or nearly broadly linear, 2–3(–4) × 0.6–1.4 cm, abaxially gray tomentose and papillose, adaxially glabrous, base rounded or obliquely so, margin minutely sharply serrate near apex, with 2–8 teeth per side, apex obtuse or acute. Inflorescences terminal, 6–10 × 7–12 cm, many flowered; rachis and pedicels gray or grayish white tomentose, glabrescent, subglabrous in fruit, with prominent lenticels. Flowers 6–8 mm in diam. Hypanthium campanulate, glabrous or slightly tomentose near base. Sepals triangular, 1–2 mm, glabrous, apex obtuse. Petals white, ovate or suborbicular, 2.5–3.5 mm, glabrous, apex obtuse. Stamens ca. 20, nearly as long as petals. Styles 3 or 4, not exceeding stamens, densely pubescent basally. Fruit red, ovoid-globose, 5–6 mm in diam.; sepals persistent. Fl. May–Jun, fr. Aug–Sep. 2n = 34*.
Life form annual
Growth form tree
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 3.0 - 7.0
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 4-9
Soil humidity 3-7
Soil texture 3-4
Soil acidity 2-6
Soil nutriment -
Hardiness (USDA) 5-8

Usage

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

Cultivation

Can be grown by cuttings or seedlings. Seeds needs stratification.
Mode cuttings seedlings
Germination duration (days) 120 - 180
Germination temperacture (C°) 18 - 21
Germination luminosity -
Germination treatment stratification
Minimum temperature (C°) -29
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Sorbus scalaris unspecified picture

Distribution

Sorbus scalaris world distribution map, present in China

Identifiers

LSID urn:lsid:ipni.org:names:741962-1
WFO ID wfo-0000996669
COL ID 4YBMP
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Sorbus scalaris Pyrus scalaris Sorbus pluripinnata Pyrus pluripinnata Sorbus foliolosa var. pluripinnata