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Pyrus nivalis Jacq.

Poirier couleur de neige (fr), Poirier des neiges (fr), Poirier d'hiver (fr)

Species

Angiosperms > Rosales > Rosaceae > Pyrus

Characteristics

Plants 50–200 dm. Branches white-tomentose when young, later blackish; thorns usually absent. Leaves: petiole 1–2 cm, tomentose; blade obovate, 5–9 × 3–4 cm, base cuneate, decurrent, margins entire or slightly crenulate, apex acute or short-acuminate, abaxial surface densely whitish gray pubescent, adaxial sparsely pubescent. Pedicels 3–6 cm, tomentose-lanate. Flowers 35–45 mm diam.; sepals triangular, 6–8 × 3–4 mm, apex acuminate; petals white, obovate-elliptic, 14–16 × 12–14 mm; ovaries 5-locular; styles 5. Pomes yellowish green with purple dots, globose, 30–50 mm diam.; sepals persistent.
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A small tree. It grows 9 m high and spreads 6 m wide. The branches curve upwards and do not have thorns. The leaves are oval or egg shaped and have smooth edges. The flowers are white. They appear as the young leaves open. The fruit are small and rounded. They are yellowish-green.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination entomogamy
Spread endozoochory
Mature width (meter) 5.0 - 7.0
Mature height (meter) 9.5 - 11.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

It is a temperate plant. It suits hardiness zones 5-9.
More
Sunny slopes and dry open woods in S. Europe.
Light 6-9
Soil humidity 2-6
Soil texture 2-5
Soil acidity 3-8
Soil nutriment -
Hardiness (USDA) 6-8

Usage

Uses breeding gene source rootstock
Edible fruits
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by graftings or seedlings.
Mode graftings seedlings
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -23
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Leaf

Pyrus nivalis leaf picture by Caraffa Vittorio (cc-by-sa)

Distribution

Pyrus nivalis world distribution map, present in Austria, Belgium, Bulgaria, Bolivia (Plurinational State of), Switzerland, France, Croatia, Hungary, Italy, Poland, Romania, Serbia, Slovakia, Slovenia, Turkey, and Ukraine

Identifiers

LSID urn:lsid:ipni.org:names:731076-1
WFO ID wfo-0000985831
COL ID 4QX7B
BDTFX ID 54298
INPN ID 116594
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Pyrus nivalis Pyrus communis subsp. nivalis
WorldFloraDB 2024