Pyrus betulifolia Bunge

Species

Angiosperms > Rosales > Rosaceae > Pyrus

Characteristics

Trees to 10 m tall, often spinescent. Branchlets purplish brown when old, terete, gray tomentose when young, sparsely tomentose or glabrous when old, sparsely lenticellate; buds ovoid, abaxially gray tomentose, apex acuminate. Stipules caducous, linear-lanceolate, ca. 2 mm, membranous, both surfaces tomentose, margin initially glandular serrate, apex acuminate; petiole 2–3 cm, gray tomentose; leaf blade rhomboidal-ovate or oblong-ovate, 4–8 × 2.5–3.5 cm, abaxially sparsely tomentose or subglabrous, adaxially gray tomentose when young, glabrous and shiny when old, base broadly cuneate, rarely subrounded, margin serrate, apex acuminate. Raceme umbel-like, 10–15-flowered; peduncle gray tomentose; bracts caducous, linear, 5–8 mm, membranous, both surfaces slightly tomentose, margin entire, apex acuminate. Pedicel 2–2.5 cm, densely gray tomentose when young. Flowers 1.5–2 cm in diam. Hypanthium cupular, abaxially gray tomentose. Sepals triangular-ovate, ca. 3 mm, both surfaces tomentose, margin entire, apex acute. Petals white, broadly ovate, 5–8 × 3–4 mm, base shortly clawed, apex rounded. Stamens 20, ca. 1/2 as long as petals. Ovary 2-or 3-loculed, with 2 ovules per locule; styles 2 or 3, nearly as long as stamens, sparsely pubescent basally. Pome brown, with pale dots, subglobose, 5–10 mm in diam., 2-or 3-loculed; sepals caducous; fruiting pedicels 1–2.5 cm, gray tomentose when young, glabrescent. Fl. Apr, fr. Aug–Sep. 2n = 34*.
More
A small slender tree. It grows 9 m high and spreads 4.5 m wide. The leaves are oval or rounded. They have a slender tip and strong teeth along the edge. They are greyish-green when young but the upper surface becomes green and shiny. The fruit are small and dark brown. The small fruit become puckered and edible after frost.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination entomogamy
Spread -
Mature width (meter) 4.5
Mature height (meter) 8.5 - 9.5
Root system -
Rooting depth (meter) -
Root diameter (meter) 0.7
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. It grows from sea level to 1,800 m above sea level. It suits hardiness zones 5-9. Arboretum Tasmania.
More
Open slopes and plains; at elevations from sea level to 1,800 metres.
Light 7-9
Soil humidity 3-5
Soil texture 3-4
Soil acidity -
Soil nutriment -
Hardiness (USDA) 5-8

Usage

The sun-dried flowers are powdered and baked into 'cakes.' Leaves are boiled and eaten with oil and salt. The fruit are eaten after frost. They are also buried in wheat containers until the fruit turn black then eaten.
Uses environmental use gene source material medicinal oil
Edible flowers fruits leaves
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by seedlings.
Mode seedlings
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -29
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Pyrus betulifolia unspecified picture

Distribution

Pyrus betulifolia world distribution map, present in China

Identifiers

LSID -
WFO ID wfo-0001016380
COL ID 4QWJT
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Pyrus betulifolia Pyrus betulifolia