Sorbus tianschanica Rupr.

Species

Angiosperms > Rosales > Rosaceae > Sorbus

Characteristics

Shrubs or small trees, to 5 m tall. Branchlets brown or grayish brown, terete, lenticellate; young shoots reddish brown, puberulous; buds oblong-ovoid, 1–2 cm × 5–8 mm, apex acuminate; scales several, brown, white pubescent. Leaves imparipinnate, together with rachis 14–17 cm; petiole 1.5–3.3 cm; rachis sulcate adaxially, slightly winged, glabrous; stipules caducous, linear-lanceolate, 7–11 mm, membranous, slightly pubescent; leaflets (4–)6 or 7 pairs, at intervals of 1.5–2 cm, blade ovate-lanceolate, (2.5–)5–7 × 1.2–2 cm, terminal and basal ones smaller than others, both surfaces glabrous, abaxially pale, base obliquely rounded or broadly cuneate, margin sharply serrate but entire basally, or with 2–5 teeth per side, apex acuminate. Inflorescences 6–10 × 7–12(–15) cm, loosely many flowered; rachis and pedicels glabrous; bracts caducous, linear, 5–8 mm, membranous. Pedicel 4–8 mm. Flowers 15–18(–20) cm in diam. Hypanthium campanulate, abaxially glabrous. Sepals triangular, 1.5–2.5 mm, apex ± obtuse, rarely acute. Petals white, ovate or elliptic, 6–9 × 5–7 mm, adaxially white pubescent, apex obtuse. Stamens (15–)20, ca. 1/2 as long as petals or shorter. Styles (3–)5, somewhat shorter or nearly as long as stamens, densely white tomentose basally. Fruit scarlet, globose, 1–1.2 cm in diam., glabrous; sepals persistent. Fl. May–Jun, fr. Sep–Oct. 2n = 34*.
More
A large shrub or small tree. It grows 3-5 m tall. It has a wide crown. The young shoots are greenish-brown and have some hairs. Older shoots are reddish and have thin bark that peels off. The leaves are compound with an odd number of leaflets. They are 10-16 cm long. There are 6 to 8 pairs of leaflets. The flowering groups are very large. They are loose and 10-15 cm wide with 25-30 flowers. The fruit are 12 mm across. They are yellow-red when young and become dark red at maturity. They are edible.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 3.5 - 5.0
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

It is a temperate plant. In Kazakhstan it grows near the upper edges of fir forests at 2,000-3,000 m above sea level.
Light 4-9
Soil humidity 3-7
Soil texture 3-4
Soil acidity -
Soil nutriment -
Hardiness (USDA) 5-9

Usage

The fruit are eaten and are best after frosts.
Uses medicinal
Edible fruits
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Plants can be grown by seeds, layering or root sprouts.
Mode -
Germination duration (days) 120 - 180
Germination temperacture (C°) 18 - 21
Germination luminosity -
Germination treatment stratification
Minimum temperature (C°) -23
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Sorbus tianschanica world distribution map, present in China, Kazakhstan, Kyrgyzstan, Pakistan, Tajikistan, and Uzbekistan

Conservation status

Sorbus tianschanica threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:742013-1
WFO ID wfo-0000996731
COL ID 4YBPR
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Sorbus tianschanica Pyrus thianschanica Sorbus tapashana Pyrus tianschanica Sorbus tianschanica var. tianschanica Sorbus tianschanica var. tomentosa